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GE UR Series C70 Instruction Manual

Capacitor bank protection and control system.
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Title Page
GE Multilin
215 Anderson Avenue, Markham, Ontario
Canada L6E 1B3
Tel: (905) 294-6222 Fax: (905) 201-2098
Internet:
http://www.GEmultilin.com
*1601-9015-U3*
C70 Capacitor Bank Protection
and Control System
UR Series Instruction Manual
Manual P/N: 1601-9015-U3 (GEK-113517B)
Copyright © 2010 GE Multilin
E83849
LISTED
IND.CONT. EQ.
52TL
GE Industrial Systems
C70 Revision: 5.7x
834766A1.CDR
GE Multilin's Quality Management
I I SO9001:2000
System is registered to
ISO9001:2000
QMI # 005094
UL # A3775

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Table of Contents

   Related Manuals for GE UR Series C70

   Summary of Contents for GE UR Series C70

  • Page 1 Title Page GE Industrial Systems C70 Capacitor Bank Protection and Control System UR Series Instruction Manual C70 Revision: 5.7x Manual P/N: 1601-9015-U3 (GEK-113517B) Copyright © 2010 GE Multilin 834766A1.CDR E83849 I I SO9001:2000 GE Multilin LISTED 215 Anderson Avenue, Markham, Ontario IND.CONT.
  • Page 3: Table Of Contents

    TYPICAL WIRING....................3-9 3.2.2 DIELECTRIC STRENGTH ................3-10 3.2.3 CONTROL POWER ..................3-10 3.2.4 CT/VT MODULES .................... 3-11 3.2.5 PROCESS BUS MODULES ................3-13 3.2.6 CONTACT INPUTS AND OUTPUTS ............... 3-13 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 4 USER-PROGRAMMABLE LEDS ..............5-42 5.2.11 USER-PROGRAMMABLE SELF TESTS ............5-45 5.2.12 CONTROL PUSHBUTTONS ................5-46 5.2.13 USER-PROGRAMMABLE PUSHBUTTONS............5-47 5.2.14 FLEX STATE PARAMETERS ................5-52 5.2.15 USER-DEFINABLE DISPLAYS ................5-53 5.2.16 DIRECT INPUTS/OUTPUTS ................5-55 5.2.17 INSTALLATION ....................5-63 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 5 5.10 TESTING 5.10.1 TEST MODE ....................5-217 5.10.2 FORCE CONTACT INPUTS ................5-218 5.10.3 FORCE CONTACT OUTPUTS ..............5-219 6. ACTUAL VALUES 6.1 OVERVIEW 6.1.1 ACTUAL VALUES MAIN MENU ................ 6-1 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 6 8.1.4 REMOTE PASSWORDS ..................8-3 8.1.5 ACCESS SUPERVISION ...................8-3 8.1.6 DUAL PERMISSION SECURITY ACCESS............8-4 8.2 SETTINGS SECURITY 8.2.1 SETTINGS TEMPLATES ...................8-6 8.2.2 SECURING AND LOCKING FLEXLOGIC™ EQUATIONS ......8-10 8.2.3 SETTINGS FILE TRACEABILITY..............8-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 7 A. FLEXANALOG AND A.1 PARAMETER LISTS A.1.1 FLEXANALOG ITEMS ..................A-1 FLEXINTEGER A.1.2 FLEXINTEGER ITEMS ..................A-32 PARAMETERS B. MODBUS B.1 MODBUS RTU PROTOCOL COMMUNICATIONS B.1.1 INTRODUCTION....................B-1 B.1.2 PHYSICAL LAYER.....................B-1 B.1.3 DATA LINK LAYER....................B-1 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 8 C.6.1 ACSI BASIC CONFORMANCE STATEMENT ..........C-22 C.6.2 ACSI MODELS CONFORMANCE STATEMENT ..........C-22 C.6.3 ACSI SERVICES CONFORMANCE STATEMENT ......... C-23 C.7 LOGICAL NODES C.7.1 LOGICAL NODES TABLE ................C-26 viii C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 9 F. MISCELLANEOUS F.1 CHANGE NOTES F.1.1 REVISION HISTORY ..................F-1 F.1.2 CHANGES TO THE C70 MANUAL..............F-1 F.2 ABBREVIATIONS F.2.1 STANDARD ABBREVIATIONS ................. F-6 F.3 WARRANTY F.3.1 GE MULTILIN WARRANTY ................F-8 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 10 TABLE OF CONTENTS C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 11: Cautions And Warnings

    • GE EnerVista CD (includes the EnerVista UR Setup software and manuals in PDF format). • Mounting screws. For product information, instruction manual updates, and the latest software updates, please visit the GE Multilin website at http://www.GEmultilin.com. If there is any noticeable physical damage, or any of the contents listed are missing, please contact GE Multilin immediately.
  • Page 12: Introduction To The Ur

    This new generation of equipment must also be easily incorporated into automation systems, at both the station and enterprise levels. The GE Multilin Universal Relay (UR) has been developed to meet these goals. C70 Capacitor Bank Protection and Control System...
  • Page 13: Hardware Architecture

    (dual) ring configuration. This feature is optimized for speed and intended for pilot- aided schemes, distributed logic applications, or the extension of the input/output capabilities of a single relay chassis. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 14: Software Architecture

    5. An explanation of the use of inputs from CTs and VTs is in the Introduction to AC sources section in chapter 5. A description of how digital signals are used and routed within the relay is contained in the Introduction to FlexLogic™ section in chapter 5. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 15: Pc Requirements

    After ensuring the minimum requirements for using EnerVista UR Setup are met (see previous section), use the following procedure to install the EnerVista UR Setup from the enclosed GE EnerVista CD. Insert the GE EnerVista CD into your CD-ROM drive.
  • Page 16: Configuring The C70 For Software Access

    EnerVista UR Setup software. The C70 can also be accessed locally with a laptop computer through the front panel RS232 port or the rear Ethernet port using the Quick Connect feature. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 17 A GE Multilin F485 converter (or compatible RS232-to-RS485 converter) is will be required. Refer to the F485 instruction manual for additional details. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or online from http://www.GEmultilin.com). See the Software Installation section for installation details.
  • Page 18 Ethernet communications, it will be necessary to define a Site, then add the relay as a Device at that site. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or online from http://www.GEmultilin.com).
  • Page 19: Using The Quick Connect Feature

    Before starting, verify that the serial cable is properly connected from the laptop computer to the front panel RS232 port with a straight-through 9-pin to 9-pin RS232 cable. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE EnerVista CD or online from http://www.GEmultilin.com). See the Software Installation section for installation details.
  • Page 20 Now, assign the laptop computer an IP address compatible with the relay’s IP address. From the Windows desktop, right-click the My Network Places icon and select Properties to open the network con- nections window. Right-click the Local Area Connection icon and select Properties. 1-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 21 Minimum = 0ms, Maximum = 0ms, Average = 0 ms Note that the values for time will vary depending on local network configuration. C:\WINNT>ping 1.1.1.1 If the following sequence of messages appears when entering the command: GE Multilin C70 Capacitor Bank Protection and Control System 1-11...
  • Page 22 Default Gateway ..: C:\WINNT> It may be necessary to restart the laptop for the change in IP address to take effect (Windows 98 or NT). 1-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 23 If this computer is used to connect to the Internet, re-enable any proxy server settings after the laptop has been discon- nected from the C70 relay. Verify that the latest version of the EnerVista UR Setup software is installed (available from the GE enerVista CD or online from http://www.GEmultilin.com). See the Software Installation section for installation details.
  • Page 24 Device Setup menu, for the purpose of communicating to multiple relays. This feature allows the user to identify and interrogate, in seconds, all UR-series devices in a particular location. 1-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 25: Connecting To The C70 Relay

    View the last recorded oscillography record. • View the status of all C70 inputs and outputs. • View all of the C70 metering values. • View the C70 protection summary. GE Multilin C70 Capacitor Bank Protection and Control System 1-15...
  • Page 26: Mounting And Wiring

    Figure 1–7: RELAY COMMUNICATIONS OPTIONS To communicate through the C70 rear RS485 port from a PC RS232 port, the GE Multilin RS232/RS485 converter box is required. This device (catalog number F485) connects to the computer using a “straight-through” serial cable. A shielded twisted-pair (20, 22, or 24 AWG) connects the F485 converter to the C70 rear communications port.
  • Page 27: Faceplate Keypad

    LED off. The relay in the “Not Programmed” state will block signaling of any output relay. These conditions will remain until the relay is explicitly put in the “Programmed” state. Select the menu message SETTINGS PRODUCT SETUP INSTALLATION RELAY SETTINGS RELAY SETTINGS: Not Programmed GE Multilin C70 Capacitor Bank Protection and Control System 1-17...
  • Page 28: Relay Passwords

    NOTE 1.5.6 FLEXLOGIC™ CUSTOMIZATION FlexLogic™ equation editing is required for setting up user-defined logic for customizing the relay operations. See the Flex- Logic™ section in Chapter 5 for additional details. 1-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 29: Commissioning

    View the event recorder and oscillography or fault report for correct operation of inputs, outputs, and elements. If it is concluded that the relay or one of its modules is of concern, contact GE Multilin for prompt service. GE Multilin...
  • Page 30 1.5 USING THE RELAY 1 GETTING STARTED 1-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 31: Overview

    The C70 IEDs use flash memory technology which allows field upgrading as new features are added. The following single line diagram illustrates the relay functionality using ANSI (American National Standards Institute) device numbers. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 32 51_2(2) 51N(2) 50N(2) 50DD 50P(2) 50BF(2) 60P(3) Transducer Metering FlexElement Inputs 59_2 60N(3) 50G(2) 51G(2) 27P(2) 59NU 25(2) C70 Capacitor Bank Protection and Control Relay 834010A1.CDR Figure 2–1: SINGLE LINE DIAGRAM C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 33: Ordering

    Each of these modules can be supplied in a number of configurations specified at the time of ordering. The information required to completely specify the relay is provided in the following tables (see chapter 3 for full details of relay modules). Order codes are subject to change without notice. Refer to the GE Multilin ordering page at http://www.GEindustrial.com/multilin/order.htm for the latest details concerning C70 ordering options.
  • Page 34 Six-port managed Ethernet switch with low voltage power supply (48 V DC) IEEE C37.94, 820 nm, multimode, LED, 2 Channels 820 nm, multi-mode, LED, 2 Channels 1300 nm, multi-mode, LED, 2 Channels G.703, 2 Channels RS422, 2 Channels C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 35 IEEE C37.94, 820 nm, multimode, LED, 2 Channels (select a maximum of 1 per unit) 820 nm, multi-mode, LED, 2 Channels 1300 nm, multi-mode, LED, 2 Channels G.703, 2 Channels RS422, 2 Channels GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 36: Replacement Modules

    Not all replacement modules may be applicable to the C70 relay. Only the modules specified in the order codes are available as replacement modules. NOTE Replacement module codes are subject to change without notice. Refer to the GE Multilin ordering page at http:// www.GEindustrial.com/multilin/order.htm for the latest details concerning C70 ordering options.
  • Page 37 4 dcmA inputs, 4 dcmA outputs (only one 5A module is allowed) 8 RTD inputs INPUTS/OUTPUTS 4 RTD inputs, 4 dcmA outputs (only one 5D module is allowed) 4 dcmA inputs, 4 RTD inputs 8 dcmA inputs GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 38 Channel 1 - RS422; Channel 2 - 1300 nm, single-mode, LASER Channel 1 - G.703; Channel 2 - 1300 nm, single-mode LASER G.703, 1 Channel G.703, 2 Channels RS422, 1 Channel RS422, 2 Channels C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 39: Protection Elements

    Curve shapes: IEEE Moderately/Very/Extremely of 0.001 Inverse; IEC (and BS) A/B/C and Short Pickup level accuracy: 0.003 pu Inverse; GE IAC Inverse, Short/Very/ Extremely Inverse; I t; FlexCurves™ Hysteresis: 3% or 0.0005 pu whichever is greater (programmable); Definite Time (0.01 s Pickup delay: 0 to 600.00 s in steps of 0.01...
  • Page 40 IEEE Moderately/Very/Extremely stage Inverse; IEC (and BS) A/B/C and Short Pickup threshold: 0.001 to 5.000 pu of split-phase CT nom- Inverse; GE IAC Inverse, Short/Very/ inal in steps of 0.001 Extremely Inverse; I t; FlexCurves™ Pickup level accuracy: 0.002 pu for <1 pu current and <20 CT (programmable);...
  • Page 41 ±0.5% of reading from 10 to 208 V Level accuracy: ±0.5% of reading from 10 to 208 V Curve shapes: GE IAV Inverse; Pickup delay: 0 to 600.00 s in steps of 0.01 Definite Time (0.1s base curve) Reset delay: 0 to 600.00 s in steps of 0.01...
  • Page 42: User-programmable Elements

    Number: 48 plus trip and alarm Timing accuracy: ±3% or ±4 ms, whichever is greater Programmability: from any logical variable, contact, or vir- tual input Reset mode: self-reset or latched 2-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 43: Monitoring

    < 0.4pu: as above plus %error of f THD: 1. f > 0.4pu: (0.25% + 0.035% / harmonic) of reading or 0.20% of 100%, whichever is greater 2. f < 0.4pu: as above plus %error of f GE Multilin C70 Capacitor Bank Protection and Control System 2-13...
  • Page 44: Inputs

    NOTE: Low range is DC only. Minimum AC voltage: 88 V at 25 to 100 Hz Maximum AC voltage: 265 V at 25 to 100 Hz Voltage loss hold-up: 200 ms duration at nominal 2-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 45: Outputs

    1 ms for AM input 40 μs for DC-shift input Isolation: 2 kV CONTROL POWER EXTERNAL OUTPUT (FOR DRY CONTACT INPUT) Capacity: 100 mA DC at 48 V DC Isolation: ±300 Vpk GE Multilin C70 Capacitor Bank Protection and Control System 2-15...
  • Page 46: Communications

    1. UR-2S and UR-2T only support 100 Mb multi- mode ETHERNET (10/100 MB TWISTED PAIR) Modes: 10 MB, 10/100 MB (auto-detect) Connector: RJ45 SNTP clock synchronization error: <10 ms (typical) 2-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 47 (in dB/km) 8 dB -------------------------- - 2.8km 2.8 dB/km The customer must use the attenuation specified within the manu- facturer data sheets for accurate calculation of the maximum fiber length. GE Multilin C70 Capacitor Bank Protection and Control System 2-17...
  • Page 48: Inter-relay Communications

    – Overvoltage category: 20°C Ingress protection: IP20 front, IP10 back HUMIDITY Humidity: operating up to 95% (non-condensing) at 55°C (as per IEC60068-2-30 variant 1, 6days). 2-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 49: Type Tests

    NKCR Safety UL C22.2-14 e83849 NKCR7 Safety UL1053 e83849 NKCR 2.2.12 PRODUCTION TESTS THERMAL Products go through an environmental test based upon an Accepted Quality Level (AQL) sampling process. GE Multilin C70 Capacitor Bank Protection and Control System 2-19...
  • Page 50: Approvals

    Units that are stored in a de-energized state should be powered up once per year, for one hour continuously, to NOTE avoid deterioration of electrolytic capacitors. 2-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 51: Panel Cutout

    11.016” [279,81 mm] 9.687” [246,05 mm] 17.56” [446,02 mm] 7.460” [189,48 mm] 6.995” 6.960” [177,67 mm] [176,78 mm] 19.040” [483,62 mm] 842807A1.CDR Figure 3–1: C70 HORIZONTAL DIMENSIONS (ENHANCED PANEL) GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 52 The case dimensions are shown below, along with panel cutout details for panel mounting. When planning the location of your panel cutout, ensure that provision is made for the faceplate to swing open without interference to or from adjacent equipment. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 53 RS232 communications port. The relay is secured to the panel with the use of four screws supplied with the relay. 11.015” 7.482” 1.329” 13.560” 15.000” 14.025” 4.000” 9.780” 843809A1.CDR Figure 3–4: C70 VERTICAL DIMENSIONS (ENHANCED PANEL) GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 54 Figure 3–5: C70 VERTICAL MOUNTING AND DIMENSIONS (STANDARD PANEL) For details on side mounting C70 devices with the enhanced front panel, refer to the following documents available online from the GE Multilin website. • GEK-113180: UR-series UR-V side-mounting front panel assembly instructions.
  • Page 55 3 HARDWARE 3.1 DESCRIPTION Figure 3–6: C70 VERTICAL SIDE MOUNTING INSTALLATION (STANDARD PANEL) GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 56: Module Withdrawal And Insertion

    The enhanced faceplate can be opened to the left, once the thumb screw has been removed, as shown below. This allows for easy accessibility of the modules for withdrawal. The new wide-angle hinge assembly in the enhanced front panel opens completely and allows easy access to all modules in the C70. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 57 All CPU modules except the 9E are equipped with 10/100Base-T or 100Base-F Ethernet connectors. These con- nectors must be individually disconnected from the module before it can be removed from the chassis. NOTE GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 58: Rear Terminal Layout

    Inst. Manual: Contact Outputs: Standard Pilot Duty / 250V AC 7.5A MAZB98000029 Serial Number: 360V A Resistive / 125V DC Break Firmware: GE Multilin 2005/01/05 4A @ L/R = 40mS / 300W Mfg. Date: Technical Support: Made in Tel: (905) 294-6222 http://www.GEIndustrial.com/Multilin...
  • Page 59: Typical Wiring

    GROUND BUS MODULE ARRANGEMENT MODULES MUST BE GROUNDED IF TERMINAL IS PROVIDED Inputs/ Inputs/ Inputs/ Inputs/ Power outputs outputs* outputs outputs supply (Rear view) * Optional 834011A1.CDR Figure 3–12: TYPICAL WIRING DIAGRAM GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 60: Dielectric Strength

    Each power supply has a green LED on the front of the module to indicate it is functional. The critical fail relay of the module will also indicate a faulted power supply. 3-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 61: Ct/vt Modules

    CT connections for both ABC and ACB phase rotations are identical as shown in the Typical wiring diagram. The exact placement of a zero-sequence core balance CT to detect ground fault current is shown below. Twisted-pair cabling on the zero-sequence CT is recommended. GE Multilin C70 Capacitor Bank Protection and Control System 3-11...
  • Page 62 8F, 8G, 8L, and 8M modules (4 CTs and 4 VTs) Current inputs 8H, 8J, 8N, and 8R modules (8 CTs) Voltage inputs 8V modules (8 VTs) 842809A1.CDR Figure 3–15: CT/VT MODULE WIRING 3-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 63: Process Bus Modules

    3.2.5 PROCESS BUS MODULES The C70 can be ordered with a process bus interface module. This module is designed to interface with the GE Multilin HardFiber system, allowing bi-directional IEC 61850 fiber optic communications with up to eight HardFiber merging units, known as Bricks.
  • Page 64 Logic™ operand driving the contact output should be given a reset delay of 10 ms to prevent damage of NOTE the output contact (in situations when the element initiating the contact output is bouncing, at values in the region of the pickup value). 3-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 65 2 Inputs ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~7a, ~7c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs ~8a, ~8c 2 Inputs GE Multilin C70 Capacitor Bank Protection and Control System 3-15...
  • Page 66 2 Inputs 2 Outputs Solid-State Solid-State ~6a, ~6c 2 Inputs 2 Outputs Not Used Not Used ~7a, ~7c 2 Inputs 2 Outputs Solid-State Solid-State ~8a, ~8c 2 Inputs Not Used 3-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 67 3 HARDWARE 3.2 WIRING 842762A2.CDR Figure 3–17: CONTACT INPUT AND OUTPUT MODULE WIRING (1 of 2) GE Multilin C70 Capacitor Bank Protection and Control System 3-17...
  • Page 68 Figure 3–18: CONTACT INPUT AND OUTPUT MODULE WIRING (2 of 2) CORRECT POLARITY MUST BE OBSERVED FOR ALL CONTACT INPUT AND SOLID STATE OUTPUT CON- NECTIONS FOR PROPER FUNCTIONALITY. CAUTION 3-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 69 There is no provision in the relay to detect a DC ground fault on 48 V DC control power external output. We recommend using an external DC supply. NOTE GE Multilin C70 Capacitor Bank Protection and Control System 3-19...
  • Page 70 = ON 842751A1.CDR Figure 3–21: AUTO-BURNISH DIP SWITCHES The auto-burnish circuitry has an internal fuse for safety purposes. During regular maintenance, the auto-burnish functionality can be checked using an oscilloscope. NOTE 3-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 71: Transducer Inputs/outputs

    (5A, 5C, 5D, 5E, and 5F) and channel arrangements that may be ordered for the relay. Wherever a tilde “~” symbol appears, substitute with the slot position of the module. NOTE Figure 3–22: TRANSDUCER INPUT/OUTPUT MODULE WIRING GE Multilin C70 Capacitor Bank Protection and Control System 3-21...
  • Page 72: Rs232 Faceplate Port

    Redundant 10Base-F RS485 100Base-FX RS485 Redundant 100Base-FX RS485 100Base-FX RS485 Redundant 100Base-FX RS485 10/100Base-T RS485 100Base-FX RS485 Redundant 100Base-FX RS485 Ethernet switch module with two 10/100Base-T and four 100Base-FX ports RS485 3-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 73 IRIG-B input 110 to 250 V DC 100 to 240 V AC – ― Power supply Co-axial cable GROUND IRIG-B output Co-axial cable 842836A1.CDR Figure 3–24: CPU MODULE COMMUNICATIONS WIRING GE Multilin C70 Capacitor Bank Protection and Control System 3-23...
  • Page 74 To ensure maximum reliability, all equipment should have similar transient protection devices installed. Both ends of the RS485 circuit should also be terminated with an impedance as shown below. Figure 3–25: RS485 SERIAL CONNECTION 3-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 75 In order to engage or disengage the ST type connec- tor, only a quarter turn of the coupling is required. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 76: Irig-b

    Figure 3–27: IRIG-B REPEATER Using an amplitude modulated receiver will cause errors up to 1 ms in event time-stamping. NOTE 3-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 77: Direct Input/output Communications

    1 to channel 2 on UR2, the setting should be “Enabled” on UR2. This DIRECT I/O CHANNEL CROSSOVER forces UR2 to forward messages received on Rx1 out Tx2, and messages received on Rx2 out Tx1. GE Multilin C70 Capacitor Bank Protection and Control System 3-27...
  • Page 78 1300 nm, multi-mode, LED, 2 channels 1300 nm, single-mode, ELED, 2 channels 1300 nm, single-mode, LASER, 2 channels Channel 1: RS422, channel: 820 nm, multi-mode, LED Channel 1: RS422, channel 2: 1300 nm, multi-mode, LED 3-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 79: Fiber: Led And Eled Transmitters

    The following figure shows the configuration for the 7A, 7B, 7C, 7H, 7I, and 7J fiber-only modules. Module: 7A / 7B / 7C 7H / 7I / 7J Connection Location: Slot X Slot X 831719A2.CDR 1 Channel 2 Channels Figure 3–31: LED AND ELED FIBER MODULES GE Multilin C70 Capacitor Bank Protection and Control System 3-29...
  • Page 80: Interface

    Remove the top cover by sliding it towards the rear and then lift it upwards. Set the timing selection switches (channel 1, channel 2) to the desired timing modes. Replace the top cover and the cover screw. 3-30 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 81 For connection to a higher order system (UR- to-multiplexer, factory defaults), set to octet timing (S1 = ON) and set timing mode to loop timing (S5 = OFF and S6 = OFF). GE Multilin C70 Capacitor Bank Protection and Control System 3-31...
  • Page 82 G.703 line side of the interface while the other lies on the differential Manchester side of the interface. DMR = Differential Manchester Receiver DMX = Differential Manchester Transmitter G7X = G.703 Transmitter G7R = G.703 Receiver 842775A1.CDR Figure 3–36: G.703 DUAL LOOPBACK MODE 3-32 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 83: Rs422 Interface

    1 as shown below. If the terminal timing feature is not available or this type of connection is not desired, the G.703 interface is a viable option that does not impose timing restrictions. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 84 Figure 3–40: CLOCK AND DATA TRANSITIONS d) RECEIVE TIMING The RS422 interface utilizes NRZI-MARK modulation code and; therefore, does not rely on an Rx clock to recapture data. NRZI-MARK is an edge-type, invertible, self-clocking code. 3-34 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 85: Ieee C37.94 Interface

    The UR-series C37.94 communication module can be connected to the electrical interface (G.703, RS422, or X.21) of a non-compliant digital multiplexer via an optical-to-electrical interface converter that supports the IEEE C37.94 standard, as shown below. GE Multilin C70 Capacitor Bank Protection and Control System 3-35...
  • Page 86 Once the clips have cleared the raised edge of the chassis, engage the clips simultaneously. When the clips have locked into position, the module will be fully inserted. 3-36 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 87 3 HARDWARE 3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS Figure 3–41: IEEE C37.94 TIMING SELECTION SWITCH SETTING GE Multilin C70 Capacitor Bank Protection and Control System 3-37...
  • Page 88: Managed Ethernet Switch Modules

    Four 100Base-FX multimode ports with ST connectors RS232 console port Independent power supply. Options: 2S: high-voltage 2T: low-voltage FRONT VIEW REAR VIEW 842867A2.CDR Figure 3–42: MANAGED ETHERNET SWITCHES HARDWARE 3-38 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 89: Managed Switch Led Indicators

    Switch has been shipped with a default IP address of 192.168.1.2 and a subnet mask of 255.255.255.0. Consult your net- work administrator to determine if the default IP address, subnet mask or default gateway needs to be modified. Do not connect to network while configuring the switch module. CAUTION GE Multilin C70 Capacitor Bank Protection and Control System 3-39...
  • Page 90 Select the desired device from site tree in the online window. Select the Settings > Product Setup > Communications > Ethernet Switch > Ethernet Switch Settings File > Retreive Settings File item from the device settings tree. 3-40 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 91 Navigate to the folder containing the Ethernet switch settings file, select the file, then click Open. The settings file will be transferred to the Ethernet switch and the settings uploaded to the device. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 92: Uploading C70 Switch Module Firmware

    NOTE b) SELECTING THE PROPER SWITCH FIRMWARE VERSION The latest switch module firmware is available as a download from the GE Multilin web site. Use the following procedure to determine the version of firmware currently installed on your switch Log into the switch using the EnerVista web interface.
  • Page 93 Select the firmware file to be loaded on to the Switch, and select the Open option. The following window will pop up, indicating that the firmware file transfer is in progress. If the firmware load was successful, the following window will appear: Note GE Multilin C70 Capacitor Bank Protection and Control System 3-43...
  • Page 94: Ethernet Switch Self-test Errors

    CPU upon power-up the fault, cycle power to the C70. and create the error if there is a conflict between the input/ output state and the order code. 3-44 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 95: Human Interfaces

    The following communications settings are not transferred to the C70 with settings files. Modbus Slave Address Modbus IP Port Number RS485 COM1 Baud Rate RS485 COM1 Parity COM1 Minimum Response Time GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 96 EEPROM DATA ERROR message intended to inform users that the Modbus addresses have changed with the upgraded firmware. This message does not signal any problems when appearing after firmware upgrades. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 97: Enervista Ur Setup Main Window

    Settings file data view windows, with common tool bar. Workspace area with data view tabs. Status bar. 10. Quick action hot links. 842786A2.CDR Figure 4–1: ENERVISTA UR SETUP SOFTWARE MAIN WINDOW GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 98: Extended Enervista Ur Setup Features

    Select the Template Mode > Edit Template option to place the device in template editing mode. Enter the template password then click OK. Open the relevant settings windows that contain settings to be specified as viewable. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 99 The following procedure describes how to add password protection to a settings file template. Select a settings file from the offline window on the left of the EnerVista UR Setup main screen. Selecting the Template Mode > Password Protect Template option. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 100 The template specifies that only the Pickup Curve Phase time overcurrent settings window without template applied. settings be available. 842858A1.CDR Figure 4–4: APPLYING TEMPLATES VIA THE VIEW IN TEMPLATE MODE COMMAND C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 101 Select an installed device or settings file from the tree menu on the left of the EnerVista UR Setup main screen. Select the Template Mode > Remove Settings Template option. Enter the template password and click OK to continue. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 102: Securing And Locking Flexlogic™ Equations

    Click on Save to save and apply changes to the settings template. Select the Template Mode > View In Template Mode option to view the template. Apply a password to the template then click OK to secure the FlexLogic™ equation. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 103 FlexLogic™ entries in a settings file have been secured, use the following procedure to lock the settings file to a specific serial number. Select the settings file in the offline window. Right-click on the file and select the Edit Settings File Properties item. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 104: Settings File Traceability

    SENT BACK TO ENERVISTA AND has been compromised. ADDED TO SETTINGS FILE. 842864A1.CDR Figure 4–11: SETTINGS FILE TRACEABILITY MECHANISM With respect to the above diagram, the traceability feature is used as follows. 4-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 105 This information is also available in printed settings file reports as shown in the example below. Traceability data in settings report 842862A1.CDR Figure 4–13: SETTINGS FILE REPORT SHOWING TRACEABILITY DATA GE Multilin C70 Capacitor Bank Protection and Control System 4-11...
  • Page 106 If the user converts an existing settings file to another revision, then any existing traceability information is removed from the settings file. • If the user duplicates an existing settings file, then any traceability information is transferred to the duplicate settings file. 4-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 107: Faceplate Interface

    LED panel 2 LED panel 3 Display Front panel RS232 port Small user-programmable User-programmable Keypad (control) pushbuttons 1 to 7 pushbuttons 1 to 12 827801A7.CDR Figure 4–16: UR-SERIES STANDARD HORIZONTAL FACEPLATE PANELS GE Multilin C70 Capacitor Bank Protection and Control System 4-13...
  • Page 108: Led Indicators

    The status indicators in the first column are described below. • IN SERVICE: This LED indicates that control power is applied, all monitored inputs, outputs, and internal systems are OK, and that the device has been programmed. 4-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 109 VOLTAGE TROUBLE CURRENT RESET TEST MODE FREQUENCY TRIP OTHER USER 1 ALARM PHASE A PICKUP USER 2 PHASE B PHASE C NEUTRAL/GROUND USER 3 842781A1.CDR Figure 4–19: LED PANEL 1 GE Multilin C70 Capacitor Bank Protection and Control System 4-15...
  • Page 110 LEDs on these panels. USER-PROGRAMMABLE LEDS USER-PROGRAMMABLE LEDS 842782A1.CDR Figure 4–20: LED PANELS 2 AND 3 (INDEX TEMPLATE) DEFAULT LABELS FOR LED PANEL 2: The default labels are intended to represent: 4-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 111: Custom Labeling Of Leds

    EnerVista UR Setup software is installed and operational. • The C70 settings have been saved to a settings file. • The C70 front panel label cutout sheet (GE Multilin part number 1006-0047) has been downloaded from http:// www.GEindustrial.com/multilin/support/ur and printed.
  • Page 112 Remove the C70 label insert tool from the package and bend the tabs as described in the following procedures. These tabs will be used for removal of the default and custom LED labels. It is important that the tool be used EXACTLY as shown below, with the printed side containing the GE part number facing the user.
  • Page 113 Slide the label tool under the LED label until the tabs snap out as shown below. This will attach the label tool to the LED label. Remove the tool and attached LED label as shown below. GE Multilin C70 Capacitor Bank Protection and Control System 4-19...
  • Page 114 Slide the label tool under the user-programmable pushbutton label until the tabs snap out as shown below. This will attach the label tool to the user-programmable pushbutton label. 4-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 115 The panel templates provide relative LED locations and located example text (x) edit boxes. The following procedure demonstrates how to install/uninstall the custom panel labeling. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 116: Display

    Microsoft Word 97 or later software for editing the template. • 1 each of: 8.5" x 11" white paper, exacto knife, ruler, custom display module (GE Multilin Part Number: 1516-0069), and a custom module cover (GE Multilin Part Number: 1502-0015).
  • Page 117: Breaker Control

    USER 1 key performs the selection of which breaker is to be operated by the USER 2 and USER 3 keys. The USER 2 key is used to manually close the breaker and the USER 3 key is used to manually open the breaker. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 118: Menus

    Each press of the MENU key advances through the following main heading pages: • Actual values. • Settings. • Commands. • Targets. • User displays (when enabled). 4-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 119 TIME: 1.0 s To view the remaining settings associated with the Display Properties subheader, DEFAULT MESSAGE repeatedly press the MESSAGE DOWN key. The last message appears as shown. INTENSITY: 25% GE Multilin C70 Capacitor Bank Protection and Control System 4-25...
  • Page 120: Changing Settings

    Text settings have data values which are fixed in length, but user-defined in character. They may be comprised of upper case letters, lower case letters, numerals, and a selection of special characters. 4-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 121 When the "NEW SETTING HAS BEEN STORED" message appears, the relay will be in "Programmed" state and the In Service LED will turn on. e) ENTERING INITIAL PASSWORDS The C70 supports password entry from a local or remote connection. GE Multilin C70 Capacitor Bank Protection and Control System 4-27...
  • Page 122 FlexLogic™ operand will be set to “On” and the C70 will not allow LOCAL ACCESS DENIED Settings or Command access via the faceplate interface for the next ten minutes. The TOO MANY ATTEMPTS – BLOCKED 4-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 123 C70 will not allow Settings or Command access via the any external communications interface for the next ten minutes. FlexLogic™ operand will be set to “Off” after the expiration of the ten-minute timeout. REMOTE ACCESS DENIED GE Multilin C70 Capacitor Bank Protection and Control System 4-29...
  • Page 124 4.3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4-30 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 125: Settings

    DIRECT I/O See page 5-55. INSTALLATION See page 5-63. SETTINGS AC INPUTS See page 5-65. SYSTEM SETUP POWER SYSTEM See page 5-66. SIGNAL SOURCES See page 5-68. BREAKERS See page 5-70. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 126 See page 5-177. REGULATOR DIGITAL ELEMENTS See page 5-182. DIGITAL COUNTERS See page 5-185. MONITORING See page 5-187. ELEMENTS SETTINGS CONTACT INPUTS See page 5-196. INPUTS / OUTPUTS VIRTUAL INPUTS See page 5-198. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 127 DCMA OUTPUTS See page 5-214. SETTINGS TEST MODE See page 5-217. TESTING FUNCTION: Disabled TEST MODE FORCING: See page 5-217. FORCE CONTACT See page 5-218. INPUTS FORCE CONTACT See page 5-219. OUTPUTS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 128: Introduction To Elements

    RESET DELAY setting: This setting is used to set a time-delay-on-dropout, or off-delay, for the duration between the Operate output state and the return to logic 0 after the input transits outside the defined pickup range. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 129: Introduction To Ac Sources

    The same considerations apply to transformer Winding 2. The protection elements require access to the net current for transformer protection, but some elements may need access to the individual currents from CT1 and CT2. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 130 CT/VT MODULE 1 CT/VT MODULE 2 CT/VT MODULE 3 < bank 1 > < bank 3 > < bank 5 > < bank 2 > < bank 4 > < bank 6 > C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 131 CTs on each of two breakers is required to measure the winding current flow. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 132: Product Setup

    ACCESS LOC SETG ON: Asserted when local setting access is enabled. • ACCESS LOC CMND OFF: Asserted when local command access is disabled. • ACCESS LOC CMND ON: Asserted when local command access is enabled. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 133 Proper passwords are required to enable each command or setting level access. A command or setting password consists of 1 to 10 numerical characters and are initially programmed to “0”. The following procedure describes how the set the com- mand or setting password. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 134 If events or targets are required, the operand can be assigned to a digital element programmed UNAUTHORIZED ACCESS with event logs or targets enabled. 5-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 135 If access is permitted and an off-to-on transition of the FlexLogic™ operand is detected, the time- out is restarted. The status of this timer is updated every 5 seconds. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 136: Display Properties

    DEFAULT MESSAGE TIMEOUT: If the keypad is inactive for a period of time, the relay automatically reverts to a default message. The inactivity time is modified via this setting to ensure messages remain on the screen long enough during programming or reading of actual values. 5-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 137 Any calculated power value below this cut-off will not be displayed. As well, the three-phase energy data will not accumu- late if the total power from all three phases does not exceed the power cut-off. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 138: Clear Relay Records

    Set the properties for User-Programmable Pushbutton 1 by making the following changes in the SETTINGS PRODUCT menu: SETUP USER-PROGRAMMABLE PUSHBUTTONS USER PUSHBUTTON 1 “Self-reset” PUSHBUTTON 1 FUNCTION: “0.20 s” PUSHBTN 1 DROP-OUT TIME: 5-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 139: Communications

    19200 baud and no parity. The rear COM1 port type is selected when ordering: either an Ethernet or RS485 port. The rear COM2 port is RS485. The RS485 ports have settings for baud rate and parity. It is important that GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 140 1. Refer to Appendix B for more information on the Modbus protocol. Changes to the setting will not take effect until the C70 is restarted. MODBUS TCP PORT NUMBER NOTE 5-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 141 Range: 0 to 100000000 in steps of 1 DNP OTHER DEFAULT MESSAGE DEADBAND: 30000 Range: 1 to 10080 min. in steps of 1 DNP TIME SYNC IIN MESSAGE PERIOD: 1440 min GE Multilin C70 Capacitor Bank Protection and Control System 5-17...
  • Page 142 NOTE settings can force the C70 to respond to a maximum of five specific DNP masters. The DNP NETWORK CLIENT ADDRESS settings in this sub-menu are shown below. 5-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 143 DNP implementations use a mapping of one DNP binary output to two physical or virtual control points to support the concept of trip/close (for circuit breakers) or raise/lower (for tap changers) using a single control point. That is, the DNP GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 144 Up to 256 analog input points can be configured for the DNP or IEC 60870-5-104 protocols. The analog point list is config- ured by assigning an appropriate FlexAnalog parameter to each point. Refer to Appendix A: FlexAnalog Parameters for the full range of assignable parameters. 5-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 145 The GSSE/GOOSE configuration main menu is divided into two areas: transmission and reception. PATH: SETTINGS PRODUCT SETUP COMMUNICATIONS IEC 61850 PROTOCOL GSSE/GOOSE CONFIGURATION GSSE / GOOSE TRANSMISSION CONFIGURATION RECEPTION MESSAGE The main transmission menu is shown below: GE Multilin C70 Capacitor Bank Protection and Control System 5-21...
  • Page 146 Range: 0 to 7 in steps of 1 GOOSE VLAN PRIORITY: MESSAGE Range: 0 to 4095 in steps of 1 GOOSE VLAN ID: MESSAGE Range: 0 to 16383 in steps of 1 GOOSE ETYPE APPID: MESSAGE 5-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 147 For all datasets 1 through 8, the integrity GOOSE message will still continue to be sent at the pre-configured rate even if no changes in the data items are detected. GE Multilin C70 Capacitor Bank Protection and Control System 5-23...
  • Page 148 IEC 61850 IED configuration section later in this appendix). The following example illustrates the configuration required to transfer IEC 61850 data items between two devices. The general steps required for transmission configuration are: 5-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 149 Configure the GOOSE service settings by making the following changes in the INPUTS/OUTPUTS REMOTE DEVICES settings menu: REMOTE DEVICE 1 – to match the GOOSE ID string for the transmitting device. Enter “GOOSEOut_1”. REMOTE DEVICE 1 ID GE Multilin C70 Capacitor Bank Protection and Control System 5-25...
  • Page 150 Floating point analog values originating from MMXU logical nodes may be included in GOOSE datasets. Deadband (non- instantaneous) values can be transmitted. Received values are used to populate the GGIO3.XM.AnIn1 and higher items. Received values are also available as FlexAnalog parameters (GOOSE analog In1 and up). 5-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 151 (_) character, and the first character in the prefix must be a letter. This conforms to the IEC 61850 standard. Changes to the logical node prefixes will not take effect until the C70 is restarted. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 152 The GGIO2 control configuration settings are used to set the control model for each input. The available choices are “0” (status only), “1” (direct control), and “2” (SBO with normal security). The GGIO2 control points are used to control the C70 virtual inputs. 5-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 153 ANALOG IN 1 MAX numbers. Because of the large range of these settings, not all values can be stored. Some values may be rounded NOTE to the closest possible floating point number. GE Multilin C70 Capacitor Bank Protection and Control System 5-29...
  • Page 154 Please disconnect any IEC 61850 client connection to the C70 prior to making setting changes to the report config- uration. Disconnecting the rear Ethernet connection from the C70 will disconnect the IEC 61850 client connection. NOTE 5-30 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 155 Since GSSE/GOOSE messages are multicast Ethernet by specification, they will not usually be forwarded by net- work routers. However, GOOSE messages may be fowarded by routers if the router has been configured for VLAN NOTE functionality. GE Multilin C70 Capacitor Bank Protection and Control System 5-31...
  • Page 156 THRESHOLD: 30000 Range: 0 to 65535 in steps of 1 IEC ENERGY DEFAULT MESSAGE THRESHOLD: 30000 Range: 0 to 65535 in steps of 1 IEC OTHER DEFAULT MESSAGE THRESHOLD: 30000 5-32 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 157 The UR-series relays do not support the multicast or anycast SNTP functionality. l) EGD PROTOCOL PATH: SETTINGS PRODUCT SETUP COMMUNICATIONS EGD PROTOCOL EGD PROTOCOL FAST PROD EXCH 1 CONFIGURATION SLOW PROD EXCH 1 MESSAGE CONFIGURATION SLOW PROD EXCH 2 MESSAGE CONFIGURATION GE Multilin C70 Capacitor Bank Protection and Control System 5-33...
  • Page 158 • EXCH 1 DESTINATION: This setting specifies the destination IP address of the produced EGD exchange. This is usu- ally unicast or broadcast. 5-34 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 159: Modbus User Map

    Range: 0 to 65535 in steps of 1 MODBUS USER MAP ADDRESS VALUE: Range: 0 to 65535 in steps of 1 ADDRESS MESSAGE VALUE: ↓ Range: 0 to 65535 in steps of 1 ADDRESS 256: MESSAGE VALUE: GE Multilin C70 Capacitor Bank Protection and Control System 5-35...
  • Page 160: Real Time Clock

    C70 is synchronized with SNTP, or when neither SNTP nor IRIG-B is used. Only timestamps in the event recorder and communications protocols are affected by the daylight savings time set- tings. The reported real-time clock value does not change. NOTE 5-36 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 161: User-programmable Fault Reports

    RMS, phase angle, frequency, temperature, etc., to be stored should the report be created. Up to 32 channels can be configured. Two reports are configurable to cope with variety of trip conditions and items of interest. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 162: Oscillography

    Reducing the sampling rate allows longer records to be stored. This setting has no effect on the internal sampling rate of the relay which is always 64 samples per cycle; that is, it has no effect on the fundamental calculations of the device. 5-38 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 163 IB signal on terminal 2 of the CT/VT module in slot F. If there are no CT/VT modules and analog input modules, no analog traces will appear in the file; only the digital traces will appear. GE Multilin C70 Capacitor Bank Protection and Control System 5-39...
  • Page 164: Data Logger

    The relay automatically partitions the available memory between the channels in use. Exam- ple storage capacities for a system frequency of 60 Hz are shown in the following table. 5-40 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 165 • DATA LOGGER CONFIG: This display presents the total amount of time the Data Logger can record the channels not selected to “Off” without over-writing old data. GE Multilin C70 Capacitor Bank Protection and Control System 5-41...
  • Page 166: User-programmable Leds

    The test responds to the position and rising edges of the control input defined by the set- LED TEST CONTROL ting. The control pulses must last at least 250 ms to take effect. The following diagram explains how the test is executed. 5-42 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 167 2. Once stage 2 has started, the pushbutton can be released. When stage 2 is completed, stage 3 will automatically start. The test may be aborted at any time by pressing the pushbutton. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 168 LED 8 operand LED 20 operand LED 9 operand LED 21 operand LED 10 operand LED 22 operand LED 11 operand LED 23 operand LED 12 operand LED 24 operand 5-44 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 169: User-programmable Self Tests

    Refer to the Relay self-tests section in chapter 7 for additional information on major and minor self-test alarms. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 170: Control Pushbuttons

    An event is logged in the event record (as per user setting) when a control pushbutton is pressed. No event is logged when the pushbutton is released. The faceplate keys (including control keys) cannot be operated simultaneously – a given key must be released before the next one can be pressed. 5-46 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 171: User-programmable Pushbuttons

    MESSAGE TIME: 0.00 s Range: FlexLogic™ operand PUSHBTN 1 LED CTL: MESSAGE Range: Disabled, Normal, High Priority PUSHBTN 1 MESSAGE: MESSAGE Disabled Range: Disabled, Enabled PUSHBUTTON 1 MESSAGE EVENTS: Disabled GE Multilin C70 Capacitor Bank Protection and Control System 5-47...
  • Page 172 The pushbutton is reset (deactivated) in latched mode by asserting the operand assigned to the set- PUSHBTN 1 RESET ting or by directly pressing the associated active front panel pushbutton. 5-48 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 173 This timer is reset upon release of the pushbutton. Note that any pushbutton operation will require the pushbutton to be pressed a minimum of 50 ms. This minimum time is required prior to activating the pushbutton hold timer. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 174 “High Priority” or “Normal”. PUSHBTN 1 MESSAGE • PUSHBUTTON 1 EVENTS: If this setting is enabled, each pushbutton state change will be logged as an event into event recorder. 5-50 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 175 SETTING Autoreset Delay Autoreset Function = Enabled = Disabled SETTING Drop-Out Timer TIMER FLEXLOGIC OPERAND 200 ms PUSHBUTTON 1 ON 842021A3.CDR Figure 5–9: USER-PROGRAMMABLE PUSHBUTTON LOGIC (Sheet 1 of 2) GE Multilin C70 Capacitor Bank Protection and Control System 5-51...
  • Page 176: Flex State Parameters

    16 states may be read out in a single Modbus register. The state bits can be configured so that all of the states which are of interest to the user are available in a minimum number of Modbus registers. 5-52 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 177: User-definable Displays

    INVOKE AND SCROLL play, not at the first user-defined display. The pulses must last for at least 250 ms to take effect. INVOKE AND SCROLL GE Multilin C70 Capacitor Bank Protection and Control System 5-53...
  • Page 178 4 seconds. While viewing a user display, press the ENTER key and then select the ‘Yes” option to remove the display from the user display list. Use the MENU key again to exit the user displays menu. 5-54 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 179: Direct Inputs/outputs

    On type 7 cards that sup- port two channels, direct output messages are sent from both channels simultaneously. This effectively sends direct output GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 180 Delivery time for direct input and output messages is approximately 0.2 of a power system cycle at 128 kbps and 0.4 of a power system cycle at 64 kbps, per each ‘bridge’. 5-56 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 181 The following application examples illustrate the basic concepts for direct input and output configuration. Please refer to the Inputs and outputs section in this chapter for information on configuring FlexLogic™ operands (flags, bits) to be exchanged. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 182 UR IED 4 UR IED 2 UR IED 3 842712A1.CDR Figure 5–12: SAMPLE INTERLOCKING BUSBAR PROTECTION SCHEME For increased reliability, a dual-ring configuration (shown below) is recommended for this application. 5-58 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 183 The complete application requires addressing a number of issues such as failure of both the communications rings, failure or out-of-service conditions of one of the relays, etc. Self-monitoring flags of the direct inputs and outputs feature would be primarily used to address these concerns. GE Multilin C70 Capacitor Bank Protection and Control System 5-59...
  • Page 184 Inputs and outputs section. A blocking pilot-aided scheme should be implemented with more security and, ideally, faster message delivery time. This could be accomplished using a dual-ring configuration as shown below. 5-60 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 185 FlexLogic™ operand is set. When the total message counter reaches the user-defined maximum specified by the set- CRC ALARM CH1 MESSAGE COUNT ting, both the counters reset and the monitoring process is restarted. GE Multilin C70 Capacitor Bank Protection and Control System 5-61...
  • Page 186 The unreturned messages alarm function is available on a per-channel basis and is active only in the ring configuration. The total number of unreturned input and output messages is available as the ACTUAL VALUES STATUS DIRECT actual value. INPUTS UNRETURNED MSG COUNT CH1 5-62 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 187: Installation

    This name will appear on generated reports. This name RELAY NAME is also used to identify specific devices which are engaged in automatically sending/receiving data over the Ethernet com- munications channel using the IEC 61850 protocol. GE Multilin C70 Capacitor Bank Protection and Control System 5-63...
  • Page 188: Remote Resources Configuration

    Configure shared inputs and outputs as required for the application's functionality. Shared inputs and outputs are dis- tinct binary channels that provide high-speed protection quality signaling between relays through a Brick. For additional information on how to configure a relay with a process bus module, please refer to GE publication number GEK-113500: HardFiber System Instruction Manual.
  • Page 189: System Setup

    1 pu will operate on 1000 A primary. The same rule applies for current sums from CTs with different secondary taps (5 A and 1 A). GE Multilin C70 Capacitor Bank Protection and Control System 5-65...
  • Page 190: Power System

    5-66 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 191 The frequency tracking feature will function only when the C70 is in the “Programmed” mode. If the C70 is “Not Pro- grammed”, then metering values will be available but may exhibit significant errors. NOTE GE Multilin C70 Capacitor Bank Protection and Control System 5-67...
  • Page 192: Signal Sources

    (to prevent maloperation as a result of the wrong settings), and starting oscillography data capture. A dis- turbance detector is provided for each source. The 50DD function responds to the changes in magnitude of the sequence currents. The disturbance detector scheme logic is as follows: 5-68 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 193 CT/VT inputs that are used to provide the data. DSP Bank Source 1 Source 2 Amps Amps Source 3 51BF-1 51BF-2 Volts Amps Amps Volts Source 4 UR Relay Figure 5–19: EXAMPLE USE OF SOURCES GE Multilin C70 Capacitor Bank Protection and Control System 5-69...
  • Page 194: Breakers

    Range: 0.000 to 1 000 000.000 s in steps of 0.001 MANUAL CLOSE RECAL1 MESSAGE TIME: 0.000 s Range: FlexLogic™ operand BREAKER 1 OUT OF SV: MESSAGE Range: Disabled, Enabled BREAKER 1 EVENTS: MESSAGE Disabled 5-70 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 195 MANUAL CLOSE RECAL1 TIME: This setting specifies the interval required to maintain setting changes in effect after an operator has initiated a manual close command to operate a circuit breaker. • BREAKER 1 OUT OF SV: Selects an operand indicating that breaker 1 is out-of-service. GE Multilin C70 Capacitor Bank Protection and Control System 5-71...
  • Page 196 Figure 5–20: DUAL BREAKER CONTROL SCHEME LOGIC (Sheet 1 of 2) IEC 61850 functionality is permitted when the C70 is in “Programmed” mode and not in the local control mode. NOTE 5-72 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 197 BREAKER 1 ANY P OPEN BREAKER 1 1P OPEN BREAKER 1 OOS SETTING BREAKER 1 OUT OF SV = Off 842025A1.CDR Figure 5–21: DUAL BREAKER CONTROL SCHEME LOGIC (Sheet 2 of 2) GE Multilin C70 Capacitor Bank Protection and Control System 5-73...
  • Page 198 SWITCH 1 MODE: This setting selects “3-pole” mode, where all disconnect switch poles are operated simultaneously, or “1-pole” mode where all disconnect switch poles are operated either independently or simultaneously. 5-74 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 199 This allows for non-simultaneous operation of the poles. IEC 61850 functionality is permitted when the C70 is in “Programmed” mode and not in the local control mode. NOTE GE Multilin C70 Capacitor Bank Protection and Control System 5-75...
  • Page 200 SWITCH Φ BAD ST SWITCH 1 C Φ CLSD SETTING SWITCH 1 C Φ OPEN SWITCH 1 ΦC OPENED SWITCH 1 C Φ INTERM = Off 842026A3.CDR Figure 5–22: DISCONNECT SWITCH SCHEME LOGIC 5-76 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 201: Flexcurves

    1; that is, 0.98 pu and 1.03 pu. It is recommended to set the two times to a similar value; otherwise, the lin- ear approximation may result in undesired behavior for the operating quantity that is close to 1.00 pu. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 202 The multiplier and adder settings only affect the curve portion of the characteristic and not the MRT and HCT set- tings. The HCT settings override the MRT settings for multiples of pickup greater than the HCT ratio. NOTE 5-78 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 203 EnerVista UR Setup software generates an error message and discards the proposed changes. NOTE e) STANDARD RECLOSER CURVES The standard recloser curves available for the C70 are displayed in the following graphs. GE Multilin C70 Capacitor Bank Protection and Control System 5-79...
  • Page 204 Figure 5–26: RECLOSER CURVES GE101 TO GE106 GE142 GE138 GE120 GE113 0.05 7 8 9 10 12 CURRENT (multiple of pickup) 842725A1.CDR Figure 5–27: RECLOSER CURVES GE113, GE120, GE138 AND GE142 5-80 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 205 Figure 5–28: RECLOSER CURVES GE134, GE137, GE140, GE151 AND GE201 GE152 GE141 GE131 GE200 7 8 9 10 12 CURRENT (multiple of pickup) 842728A1.CDR Figure 5–29: RECLOSER CURVES GE131, GE141, GE152, AND GE200 GE Multilin C70 Capacitor Bank Protection and Control System 5-81...
  • Page 206 GE132 GE139 GE136 GE116 0.05 GE117 GE118 0.02 0.01 7 8 9 10 12 CURRENT (multiple of pickup) 842726A1.CDR Figure 5–31: RECLOSER CURVES GE116, GE117, GE118, GE132, GE136, AND GE139 5-82 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 207 Figure 5–32: RECLOSER CURVES GE107, GE111, GE112, GE114, GE115, GE121, AND GE122 GE202 GE135 GE119 7 8 9 10 12 CURRENT (multiple of pickup) 842727A1.CDR Figure 5–33: RECLOSER CURVES GE119, GE135, AND GE202 GE Multilin C70 Capacitor Bank Protection and Control System 5-83...
  • Page 208: Flexlogic

    Traditionally, protective relay logic has been relatively limited. Any unusual applications involving interlocks, blocking, or supervisory functions had to be hard-wired using contact inputs and outputs. FlexLogic™ minimizes the requirement for auxiliary components and wiring while making more complex schemes possible. 5-84 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 209 The virtual input is presently in the ON state. Virtual Output Virt Op 1 On The virtual output is presently in the set state (i.e. evaluation of the equation which produces this virtual output results in a "1"). GE Multilin C70 Capacitor Bank Protection and Control System 5-85...
  • Page 210 Bank overvoltage element 1 operated in phase C BANK OV 1 OP Bank overvoltage element 1 operated BANK OV 2 to BANK OV 3 Same set of operands as shown for BANK OV 1 5-86 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 211 CAP 1 BKR TRIP Capacitor 1 breaker trip command CAP 1 BKR CLOSE Capacitor 1 breaker close command CAP 2 to CAP 4 Same set of operands as shown for CAP 1 GE Multilin C70 Capacitor Bank Protection and Control System 5-87...
  • Page 212 Non-volatile latch 1 is ON (Logic = 1) Non-volatile latches LATCH 1 OFF Non-volatile latch 1 is OFF (Logic = 0) LATCH 2 to LATCH 16 Same set of operands as shown for LATCH 1 5-88 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 213 Neutral voltage unbalance element 1 operated in stage 4 NTRL VOLT 1 OP Neutral voltage unbalance element 1 operated NTRL VOLT 2 to NTRL VOLT 3 Same set of operands as shown for NTRL VOLT 1 GE Multilin C70 Capacitor Bank Protection and Control System 5-89...
  • Page 214 Source 1 has lost voltage signals (V2 below 15% AND V1 below 5% failure) of nominal) SRC2 VT FUSE FAIL to Same set of operands as shown for SRC1 VT FUSE FAIL SRC6 VT FUSE FAIL 5-90 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 215 Logic = 0. Does nothing and may be used as a delimiter in an equation list; used as ‘Disable’ by other features. Logic = 1. Can be used as a test setting. GE Multilin C70 Capacitor Bank Protection and Control System 5-91...
  • Page 216 Asserted when remote command access is disabled. ACCESS REM CMND ON Asserted when remote command access is enabled. UNAUTHORIZED ACCESS Asserted when a password entry fails while accessing a password protected level of the C70. 5-92 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 217 ‘1’ 2 to 16 all inputs are ‘1’ 2 to 16 all inputs are ‘0’ NAND 2 to 16 any input is ‘0’ only one input is ‘1’ GE Multilin C70 Capacitor Bank Protection and Control System 5-93...
  • Page 218: Flexlogic™ Rules

    If it is necessary to re-initialize FlexLogic™ during testing, for example, it is suggested to power the unit down and then back up. 5-94 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 219: Flexlogic™ Example

    State=Pickup (200 ms) DIGITAL ELEMENT 2 Timer 1 State=Operated Time Delay on Pickup (800 ms) CONTACT INPUT H1c State=Closed VIRTUAL OUTPUT 3 827026A2.VSD Figure 5–36: LOGIC EXAMPLE WITH VIRTUAL OUTPUTS GE Multilin C70 Capacitor Bank Protection and Control System 5-95...
  • Page 220 Following the procedure outlined, start with parameter 99, as follows: 99: The final output of the equation is virtual output 3, which is created by the operator "= Virt Op n". This parameter is therefore "= Virt Op 3." 5-96 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 221 86: The upper input to OR #1 is operand “Virt Op 1 On". 85: The last parameter is used to set the latch, and is operand “Virt Op 4 On". GE Multilin C70 Capacitor Bank Protection and Control System 5-97...
  • Page 222 In the following equation, virtual output 3 is used as an input to both latch 1 and timer 1 as arranged in the order shown below: DIG ELEM 2 OP Cont Ip H1c On AND(2) 5-98 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 223: Flexlogic Equation Editor

    TIMER 1 TYPE: This setting is used to select the time measuring unit. • TIMER 1 PICKUP DELAY: Sets the time delay to pickup. If a pickup delay is not required, set this function to "0". GE Multilin C70 Capacitor Bank Protection and Control System 5-99...
  • Page 224: Flexelements

    The element can be programmed to respond either to a signal level or to a rate-of-change (delta) over a pre-defined period of time. The output operand is asserted when the operating signal is higher than a threshold or lower than a threshold as per user's choice. 5-100 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 225 The FLEXELEMENT 1 DIRECTION following figure explains the application of the FLEXELEMENT 1 DIRECTION FLEXELEMENT 1 PICKUP FLEXELEMENT 1 HYS- settings. TERESIS GE Multilin C70 Capacitor Bank Protection and Control System 5-101...
  • Page 226 FLEXELEMENT INPUT MODE = Signed; FlexElement 1 OpSig FLEXELEMENT 1 PKP FLEXELEMENT DIRECTION = Under; FLEXELEMENT INPUT MODE = Absolute; FlexElement 1 OpSig 842706A2.CDR Figure 5–44: FLEXELEMENT™ INPUT MODE SETTING 5-102 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 227 FLEXELEMENT 1 COMP MODE This setting specifies the pickup delay of the element. The setting FLEXELEMENT 1 PKP DELAY FLEXELEMENT 1 RST DELAY specifies the reset delay of the element. GE Multilin C70 Capacitor Bank Protection and Control System 5-103...
  • Page 228: Non-volatile Latches

    LATCH 1 ON Dominant LATCH 1 OFF SETTING Previous Previous State State LATCH 1 SET: Off=0 RESET 842005A1.CDR Figure 5–45: NON-VOLATILE LATCH OPERATION TABLE (N = 1 to 16) AND LOGIC 5-104 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 229: Grouped Elements

    Each of the six setting group menus is identical. Setting group 1 (the default active group) automatically becomes active if no other group is active (see the Control elements section for additional details). GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 230: Breaker Failure

    Range: 0.001 to 30.000 pu in steps of 0.001 BF1 N AMP HISET MESSAGE PICKUP: 1.050 pu Range: 0.001 to 30.000 pu in steps of 0.001 BF1 PH AMP LOSET MESSAGE PICKUP: 1.050 pu 5-106 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 231 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 232 BREAKER FAILURE TIMER No. 2 (±1/8 cycle) INITIATE (1/8 cycle) BREAKER FAILURE CURRENT DETECTOR PICKUP (1/8 cycle) BREAKER FAILURE OUTPUT RELAY PICKUP (1/4 cycle) FAULT cycles OCCURS 827083A6.CDR Figure 5–46: BREAKER FAILURE MAIN PATH SEQUENCE 5-108 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 233 BF1 TIMER 3 PICKUP DELAY: Timer 3 is set to the same interval as timer 2, plus an increased safety margin. Because this path is intended to operate only for low level faults, the delay can be in the order of 300 to 500 ms. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 234 Upon operation of the breaker failure element for a single pole trip command, a three-pole trip command should be given via output operand BKR FAIL 1 TRIP OP 5-110 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 235 Initiated phase C Pickup to breaker failure single-pole logic sheet 2 Pickup to breaker failure single-pole logic sheet 3 834013A1.CDR Figure 5–48: SINGLE-POLE BREAKER FAILURE, INITIATE (Sheet 1 of 2) GE Multilin C70 Capacitor Bank Protection and Control System 5-111...
  • Page 236 5.6 GROUPED ELEMENTS 5 SETTINGS Figure 5–49: SINGLE-POLE BREAKER FAILURE, TIMERS (Sheet 2 of 2) 5-112 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 237 5 SETTINGS 5.6 GROUPED ELEMENTS Figure 5–50: THREE-POLE BREAKER FAILURE, INITIATE (Sheet 1 of 2) GE Multilin C70 Capacitor Bank Protection and Control System 5-113...
  • Page 238 5.6 GROUPED ELEMENTS 5 SETTINGS Figure 5–51: THREE-POLE BREAKER FAILURE, TIMERS (Sheet 2 of 2) 5-114 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 239: Phase Current

    PHASE IOC12 See page 5–123. MESSAGE PHASE CURRENT See page 5–125. MESSAGE UNBALANCE 1 PHASE CURRENT See page 5–125. MESSAGE UNBALANCE 2 PHASE CURRENT See page 5–125. MESSAGE UNBALANCE 3 GE Multilin C70 Capacitor Bank Protection and Control System 5-115...
  • Page 240 5 SETTINGS b) INVERSE TOC CURVE CHARACTERISTICS The inverse time overcurrent curves used by the time overcurrent elements are the IEEE, IEC, GE Type IAC, and I t stan- dard curve shapes. This allows for simplified coordination with downstream devices.
  • Page 241 22.819 14.593 11.675 10.130 9.153 8.470 7.960 7.562 7.241 51.512 30.426 19.458 15.567 13.507 12.204 11.294 10.614 10.083 9.654 10.0 64.390 38.032 24.322 19.458 16.883 15.255 14.117 13.267 12.604 12.068 GE Multilin C70 Capacitor Bank Protection and Control System 5-117...
  • Page 242 0.668 0.526 0.451 0.404 0.371 0.346 0.327 0.311 0.80 2.446 1.423 0.890 0.702 0.602 0.538 0.494 0.461 0.435 0.415 1.00 3.058 1.778 1.113 0.877 0.752 0.673 0.618 0.576 0.544 0.518 5-118 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 243 = characteristic constant, and T = reset time in seconds (assuming energy capacity is 100% RESET is “Timed”) RESET Table 5–17: GE TYPE IAC INVERSE TIME CURVE CONSTANTS IAC CURVE SHAPE IAC Extreme Inverse 0.0040 0.6379 0.6200 1.7872 0.2461...
  • Page 244 = Reset Time in seconds (assuming energy capacity is 100% and RESET: Timed) RESET RECLOSER CURVES: The C70 uses the FlexCurve™ feature to facilitate programming of 41 recloser curves. Please refer to the FlexCurve™ section in this chapter for additional details. 5-120 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 245 ‘Mvr’ times the setting. If the voltage restraint feature PHASE TOC1 PICKUP is disabled, the pickup level always remains at the setting value. GE Multilin C70 Capacitor Bank Protection and Control System 5-121...
  • Page 246 Multiplier-Phase C PHASE TOC1 C OP SETTING PHASE TOC1 PKP PHASE TOC1 VOLT RESTRAINT: PHASE TOC1 OP Enabled PHASE TOC1 DPO 827072A4.CDR Figure 5–53: PHASE TIME OVERCURRENT 1 SCHEME LOGIC 5-122 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 247 The phase instantaneous overcurrent element may be used as an instantaneous element with no intentional delay or as a definite time element. The input current is the fundamental phasor magnitude. The phase instantaneous overcurrent timing curves are shown below for form-A contacts in a 60 Hz system. GE Multilin C70 Capacitor Bank Protection and Control System 5-123...
  • Page 248 ETT NG PHASE IOC1 OP PHASE IOC1 BLOCK-B: PHASE IOC1 DPO Off = 0 ETT NG 827033A6.VSD PHASE IOC1 BLOCK-C: Off = 0 Figure 5–55: PHASE INSTANTANEOUS OVERCURRENT 1 SCHEME LOGIC 5-124 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 249 Range: 0.00 to 600.00 s in steps of 0.01 CUR UNBALCE 1 STG 2 MESSAGE PKP DELAY: 10.00 s Range: 0.00 to 600.00 s in steps of 0.01 CUR UNBALCE 1 STG 3 MESSAGE PKP DELAY: 1.00 s GE Multilin C70 Capacitor Bank Protection and Control System 5-125...
  • Page 250 SOURCE CT bank Grounding method not relevant, neutral points must be connected together 8347516A1.CDR Figure 5–56: PHASE CURRENT UNBALANCE BASIC CONNECTIONS The following settings are available for all three elements. 5-126 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 251 CUR BAL 1 PKP C FLEXLOGIC OPERAND FLEXLOGIC OPERAND CUR BAL 1 PKP CUR BAL 1 OP PHASE C CUR BAL 1 DPO 834729A2.CDR Figure 5–57: PHASE CURRENT UNBALANCE SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-127...
  • Page 252: Neutral Current

    (ANSI device 50G), and neutral current unbalance (ANSI device 60N). A maximum of six ground time overcurrent and twelve ground instantaneous overcurrent elements are available, dependent on the CT/VT modules ordered with the relay. Three neutral current unbalance elements are available. 5-128 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 253 NEUTRAL TOC1 PKP RESET: NEUTRAL TOC1 IN ≥ PICKUP NEUTRAL TOC1 DPO SOURCE: NEUTRAL TOC1 OP SETTING NEUTRAL TOC1 BLOCK: Off = 0 827034A3.VSD Figure 5–58: NEUTRAL TIME OVERCURRENT 1 SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-129...
  • Page 254 RESET DELAY : SETTING NEUTRAL IOC1 DPO NEUTRAL IOC1 OP 3( _0 - K _1 ) PICKUP NEUTRAL IOC1 BLOCK: Off=0 SETTING NEUTRAL IOC1 SOURCE: 827035A4.CDR Figure 5–59: NEUTRAL IOC1 SCHEME LOGIC 5-130 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 255 × × – (EQ 5.16) The positive-sequence restraint allows for more sensitive settings by counterbalancing spurious zero-sequence currents resulting from: • System unbalances under heavy load conditions. GE Multilin C70 Capacitor Bank Protection and Control System 5-131...
  • Page 256 REV LA = 80° (reverse limit angle = the ± angular limit with the ECA for operation) The above bias should be taken into account when using the neutral directional overcurrent element to directionalize other protection elements. 5-132 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 257 The polarizing voltage can be programmed to be either the zero-sequence voltage calculated from the phase voltages ("Calculated V0") or supplied externally as an auxiliary voltage ("Measured VX"). GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 258 NEUTRAL DIR OC1 REV PICKUP: This setting defines the pickup level for the overcurrent unit of the element in the reverse direction. When selecting this setting it must be kept in mind that the design uses a positive-sequence restraint technique for the “Calculated 3I0” mode of operation. 5-134 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 259 Range: 0.001 to 5.000 pu in steps of 0.001 NTRL CUR UNBALCE 1 MESSAGE STG 1 PKP: 0.020 pu Range: 0.0 to 10.% in steps of 0.1 NTRL CUR UNBALCE 1 MESSAGE STG 1 SLOPE: 2.0% GE Multilin C70 Capacitor Bank Protection and Control System 5-135...
  • Page 260 By setting both the slope and the inherent unbalance compensating factor to zero one could apply the function as a plain overcurrent element responding to the split-phase neutral current. 5-136 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 261 NTRL CUR UNBALCE 1 K ANG: This setting defines angle of the factor compensating for the inherent unbalance of the bank. Under balanced conditions, the amount of the spill current measured in the neutral connection between the GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 262 At minimum this function shall be blocked when the two banks are not paralleled. Note that when unblocked, the function becomes operational after five cycles of intentional delay. High-set instantaneous protection on energization can be provided by a separate instantaneous overcurrent function. 5-138 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 263 NTRL CUR 1 STG4 PKP NTRL CUR 1 STG4 OP FLEXLOGIC OPERANDS FLEXLOGIC OPERAND NTRL CUR 1 PKP NTRL CUR 1 OP NTRL CUR 1 DPO 834736A2.CDR Figure 5–63: NEUTRAL CURRENT UNBALANCE SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-139...
  • Page 264: Ground Current

    CT/VT modules ordered with the relay. See the following table for details. CT/VT MODULES GROUND CURRENT ELEMENTS SLOT F SLOT M TIME INSTANTANEOUS OVERCURRENT OVERCURRENT 8F/8G 8F/8G 8H/8J 8H/8J 8F/8G 8H/8J 5-140 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 265 GROUND TOC1 PKP RESET: GROUND TOC1 IG ≥ PICKUP GROUND TOC1 DPO SOURCE: GROUND TOC1 OP ETT NG GROUND TOC1 BLOCK: 827036A3.VSD Off = 0 Figure 5–64: GROUND TOC1 SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-141...
  • Page 266 GROUND IOC1 GROUND IOC1 RESET ETT NG PICKUP: DELAY: GROUND IOC1 SOURCE: IG ≥ PICKUP ETT NG GROUND IOC1 BLOCK: 827037A4.VSD Off = 0 Figure 5–65: GROUND IOC1 SCHEME LOGIC 5-142 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 267: Voltage Elements

    UNBALANCE 1 NEUTRAL VOLTAGE See page 5–157. MESSAGE UNBALANCE 2 NEUTRAL VOLTAGE See page 5–157. MESSAGE UNBALANCE 3 These protection elements can be used for a variety of applications such as: GE Multilin C70 Capacitor Bank Protection and Control System 5-143...
  • Page 268 V = secondary voltage applied to the relay = pickup level pickup % of voltage pickup 842788A1.CDR Figure 5–66: INVERSE TIME UNDERVOLTAGE CURVES At 0% of pickup, the operating time equals the setting. UNDERVOLTAGE DELAY NOTE 5-144 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 269 SETTING PHASE UV1 PKP PHASE UV1 MODE: FLEXLOGIC OPERAND Phase to Ground Phase to Phase PHASE UV1 OP FLEXLOGIC OPERAND PHASE UV1 DPO 827039AB.CDR Figure 5–67: PHASE UNDERVOLTAGE1 SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-145...
  • Page 270 PHASE OV1 PKP 827066A7.CDR Figure 5–68: PHASE OVERVOLTAGE SCHEME LOGIC > × If the source VT is wye-connected, then the phase overvoltage pickup condition is Pickup for V and V NOTE 5-146 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 271 NEUTRAL OV1 CURVE VT errors and normal voltage unbalance must be considered when setting this element. This function requires the VTs to be wye-connected. Figure 5–69: NEUTRAL OVERVOLTAGE1 SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-147...
  • Page 272 NEG SEQ OV1 OP SETTING ≥ V_2 or 3 × V_2 PKP NEG SEQ OV1 SIGNAL SOURCE: Wye VT Delta VT 3 × V_2 827839A3.CDR Figure 5–70: NEGATIVE-SEQUENCE OVERVOLTAGE SCHEME LOGIC 5-148 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 273 DELAY : FLEXLOGIC OPERANDS < Vx Pickup AUX OV1 OP SETTING AUX OV1 DPO AUX OV1 SIGNAL AUX OV1 PKP SOURCE: AUXILIARY VOLT (Vx) 827836A2.CDR Figure 5–71: AUXILIARY OVERVOLTAGE SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-149...
  • Page 274 Range: 0.00 to 600.00 s in steps of 0.01 VOLTAGE DIF 1 STG 1 MESSAGE PKP DELAY: 30.00 s Range: 0.00 to 600.00 s in steps of 0.01 VOLTAGE DIF 1 STG 2 MESSAGE PKP DELAY: 10.00 s 5-150 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 275 The function works with grounded and ungrounded banks. In the latter case, the neutral point voltage must be measured by the relay. For additional information, refer to the Theory of Operation and Application of Settings chapters. The following settings are available for each voltage differential element. GE Multilin C70 Capacitor Bank Protection and Control System 5-151...
  • Page 276 The VT fuse fail condition from both the bus and tap VT should also be considered. Note that when unblocked, the function becomes operational after five cycles of intentional delay. 5-152 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 277 Range: 1.00 to 10.00 in steps of 0.01 BANK OV 1 CURVE TIME MESSAGE MULTIPLIER: 1.00 Range: 0.800 to 2.000 pu in steps of 0.001 BANK OV 1 STG 1A MESSAGE PICKUP: 1.050 pu GE Multilin C70 Capacitor Bank Protection and Control System 5-153...
  • Page 278 5-154 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 279 Vop_C = VC – VX Vop_C = (VBC – VCA) / 3 Delta Vop_A = (VCA – VAB) / 3 Vop_B = (VAB – VBC) / 3 Vop_C = (VBC – VCA) / 3 GE Multilin C70 Capacitor Bank Protection and Control System 5-155...
  • Page 280 • BANK OV 1 BLK: This input is used to block the function when required; in particular, when the bank is offline. 5-156 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 281 Range: 0.0 to 10.0% in steps of 0.1 NTRL VOL UNBAL 1 MESSAGE STG 1 SLOPE: 0.0% Range: 0.001 to 1.000 pu in steps of 0.001 NTRL VOL UNBAL 1 MESSAGE STG 2 PKP: 0.020 pu GE Multilin C70 Capacitor Bank Protection and Control System 5-157...
  • Page 282 The slope of the operating characteristic is user adjustable, and if desired, it can be effectively removed yielding a straight compensated overvoltage function. For additional information refer to the Theory of operation and Application of settings chapters. 5-158 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 283 The value of resistor R should be chosen so the voltage measured by the auxiliary input of the relay matches bus V0 during system faults (for example, an SLG fault at the bus). This is accomplished by the following condition: GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 284 The function becomes blocked if all four blocking inputs are asserted. The individual blocking inputs inhibit the associated stages of the func- tion. 5-160 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 285 NTRL VOLT 1 STG4 OP t DPO FLEXLOGIC OPERANDS FLEXLOGIC OPERANDS NTRL VOLT 1 PKP NTRL VOLT 1 OP NTRL VOLT 1 DPO 834741A1.DWG Figure 5–77: NEUTRAL VOLTAGE UNBALANCE LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-161...
  • Page 286: Control Elements

    If more than one operate-type operand is required, it may be assigned directly from the trip bus menu. 5-162 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 287 = Enabled TRIP BUS 1 BLOCK = Off SETTINGS TRIP BUS 1 LATCHING = Enabled TRIP BUS 1 RESET = Off FLEXLOGIC OPERAND RESET OP 842023A1.CDR Figure 5–79: TRIP BUS LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-163...
  • Page 288: Setting Groups

    The assigned operand is used to control the “On” state of a particular settings group. VIRTUAL OUTPUT 1 5-164 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 289: Selector Switch

    SELECTOR 1 3BIT ACK: MESSAGE Range: Restore, Synchronize, Sync/Restore SELECTOR 1 POWER-UP MESSAGE MODE: Restore Range: Self-reset, Latched, Disabled SELECTOR 1 TARGETS: MESSAGE Self-reset Range: Disabled, Enabled SELECTOR 1 EVENTS: MESSAGE Disabled GE Multilin C70 Capacitor Bank Protection and Control System 5-165...
  • Page 290 SELECTOR 1 3BIT A0, A1, and A2: These settings specify a three-bit control input of the selector. The three-bit con- trol word pre-selects the position using the following encoding convention: POSITION rest 5-166 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 291 The selector position pre-selected via the stepping up control input has not been confirmed before the time out. SELECTOR 1 BIT ALARM The selector position pre-selected via the three-bit control input has not been confirmed before the time out. GE Multilin C70 Capacitor Bank Protection and Control System 5-167...
  • Page 292 POS 1 POS 2 POS 3 POS 4 POS 5 POS 6 POS 7 BIT 0 BIT 1 BIT 2 STP ALARM BIT ALARM ALARM 842737A1.CDR Figure 5–81: TIME-OUT MODE 5-168 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 293 Make the following changes to selector switch element in the SETTINGS CONTROL ELEMENTS SELECTOR SWITCH menu to assign control to user programmable pushbutton 1 and contact inputs 1 through 3: SELECTOR SWITCH 1 GE Multilin C70 Capacitor Bank Protection and Control System 5-169...
  • Page 294 SELECTOR 1 BIT ALARM 3-bit position out SELECTOR 1 ALARM SELECTOR 1 PWR ALARM SELECTOR 1 BIT 0 SELECTOR 1 BIT 1 SELECTOR 1 BIT 2 842012A2.CDR Figure 5–83: SELECTOR SWITCH LOGIC 5-170 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 295: Time Of Day Timers

    TIME OF DAY TIMER 1 STOP: This setting is used to program the relay clock/calendar value for which the timer turns off. • TIME OF DAY TIMER 1 EVENTS: If enabled, the events are TIME OF DAY TIMER 1 ON TIME OF DAY TIMER 1 OFF logged. GE Multilin C70 Capacitor Bank Protection and Control System 5-171...
  • Page 296: Capacitor Control

    CAP 1 LCL SET MAN: MESSAGE Range: FlexLogic™ operand CAP 1 TRIP 1: MESSAGE Range: FlexLogic™ operand CAP 1 TRIP 2: MESSAGE Range: FlexLogic™ operand CAP 1 TRIP 3: MESSAGE 5-172 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 297 CAP 1 BKR CLOSE BLK: MESSAGE Range: FlexLogic™ operand CAP 1 CLS OVERRIDE: MESSAGE Range: Self-reset, Latched, Disabled CAP 1 TARGETS: MESSAGE Disabled Range: Disabled, Enabled CAP 1 EVENTS: MESSAGE Disabled GE Multilin C70 Capacitor Bank Protection and Control System 5-173...
  • Page 298 CAP 1 BKR OPEN 52b: Selects a FlexLogic™ operand that cancels the trip seal-in. Expected to be set to the contact input to which a contact is wired that is closed when the capacitor breaker is open. When both 52a and 52b contacts 5-174 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 299 CAP 1 CLS OVERRIDE: Selects a FlexLogic™ operand that overrides all inhibits for the breaker close command and allows the command to be issued from any source as per the logic diagram. CLOSE GE Multilin C70 Capacitor Bank Protection and Control System 5-175...
  • Page 300 Off = 0 CAP 1 AUTO CLOSE OFF = 0 SETTINGS CAP 1 CLOSE SEAL-IN DELAY FLEXLOGIC OPERAND CAP 1 BKR CLOSE 834740A1.DWG Figure 5–87: CAPACITOR BANK CONTROL SCHEME LOGIC 5-176 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 301: Automatic Voltage Regulator

    The automatic voltage regulator element (AVR) is intended to switch a static capacitor bank breaker close and open to reg- ulate either system voltage, load voltage, power factor, or reactive power. The following figure illustrates some possible applications. GE Multilin C70 Capacitor Bank Protection and Control System 5-177...
  • Page 302 For the latter preference, set the var open mode to “Minimize No. of Ops” (minimize number of operations) and set the var open level to the negative of the close level. 5-178 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 303 AVRs facilitates coordination with those AVRs. • AVR 1 VOLT LEVEL TO CLOSE: In the voltage mode, this setting specifies the voltage level at or below which to issue the close command. GE Multilin C70 Capacitor Bank Protection and Control System 5-179...
  • Page 304 • AVR 1 BLOCK: This setting specifies a dynamic blocking condition. When blocked the element resets its output flags and internal timers. VT fuse fail is a typical application. 5-180 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 305 AVR 1 OPEN DPO SETTING see note at right VAR Open Mode Minimize No. of Ops. = 0 Minimize Uptime = 1 834739A2.CDR Figure 5–91: AUTOMATIC VOLTAGE REGULATOR SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-181...
  • Page 306: Digital Elements

    Some versions of the digital input modules include an active voltage monitor circuit connected across form-A contacts. The voltage monitor circuit limits the trickle current through the output circuit (see technical specifications for form-A). 5-182 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 307 The settings to use digital element 1 to monitor the breaker trip circuit are indicated below (EnerVista UR Setup example shown): setting should be greater than the operating time of the breaker to avoid nuisance PICKUP DELAY alarms. NOTE GE Multilin C70 Capacitor Bank Protection and Control System 5-183...
  • Page 308 827074A3.CDR Figure 5–94: TRIP CIRCUIT EXAMPLE 2 The wiring connection for two examples above is applicable to both form-A contacts with voltage monitoring and solid-state contact with voltage monitoring. NOTE 5-184 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 309: Digital Counters

    –2,147,483,648 counts, the counter will rollover to +2,147,483,647. • COUNTER 1 BLOCK: Selects the FlexLogic™ operand for blocking the counting operation. All counter operands are blocked. GE Multilin C70 Capacitor Bank Protection and Control System 5-185...
  • Page 310 COUNTER 1 FROZEN: Off = 0 STORE DATE & TIME Date & Time SETTING COUNT1 FREEZE/RESET: Off = 0 827065A1.VSD SETTING COUNT1 FREEZE/COUNT: Off = 0 Figure 5–95: DIGITAL COUNTER SCHEME LOGIC 5-186 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 311: Monitoring Elements

    VT FUSE FAILURE 3 See page 5–194. MESSAGE VT FUSE FAILURE 4 See page 5–194. MESSAGE VT FUSE FAILURE 5 See page 5–194. MESSAGE VT FUSE FAILURE 6 See page 5–194. MESSAGE GE Multilin C70 Capacitor Bank Protection and Control System 5-187...
  • Page 312 Voltage difference drop, and Measured flashover current through the breaker. Furthermore, the scheme is applicable for cases where either one or two sets of three-phase voltages are available across the breaker. 5-188 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 313: Status

    This application do not require detection of breaker status via a 52a contact, as it uses a voltage difference larger than the setting. However, monitoring the breaker contact will ensure scheme stability. BRK 1 FLSHOVR DIFF V PKP GE Multilin C70 Capacitor Bank Protection and Control System 5-189...
  • Page 314 BRK 1 FLSHOVR SPV A to BRK 1 FLSHOVR SPV C: These settings specifiy FlexLogic™ operands (per breaker pole) that supervise the operation of the element per phase. Supervision can be provided by operation of other protec- 5-190 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 315 BRK 1 FLSHOVR DIFF V SRC: PKP: SRC 1 SRC 2 SRC 6 , … , , none VA > PKP VA = VA - Va 842018A2.CDR Figure 5–96: BREAKER FLASHOVER SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-191...
  • Page 316 A restrike event (FlexLogic™ operand) is declared if all of the following hold: 5-192 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 317 “1” when breaker is opened, either manually or from protection logic. • BRK RSTR 1 CLS CMD: This setting assigns a FlexLogic™ operand indicating a breaker close command. It must be logic “1” when breaker is closed. GE Multilin C70 Capacitor Bank Protection and Control System 5-193...
  • Page 318 An additional condition is introduced to inhibit a fuse failure declaration when the monitored circuit is de-energized; positive sequence voltage and current are both below threshold levels. The function setting enables and disables the fuse failure feature for each source. 5-194 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 319 The OPEN POLE OP operand is applicable to the D60, L60, and L90 only. RESET Reset-dominant FLEXLOGIC OPERAND SRC1 VT FUSE FAIL VOL LOSS 827093AM.CDR Figure 5–100: VT FUSE FAIL SCHEME LOGIC GE Multilin C70 Capacitor Bank Protection and Control System 5-195...
  • Page 320: Contact Inputs

    The update is performed at the beginning of the protection pass so all protection and control functions, as well as FlexLogic™ equations, are fed with the updated states of the contact inputs. 5-196 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 321 "Breaker Closed (52b)" CONTACT INPUT H5A ID: "Enabled" CONTACT INPUT H5A EVENTS: Note that the 52b contact is closed when the breaker is open and open when the breaker is closed. GE Multilin C70 Capacitor Bank Protection and Control System 5-197...
  • Page 322: Virtual Inputs

    “Virtual Input 1 to OFF = 0” VIRTUAL INPUT 1 ID: (Flexlogic Operand) SETTING Virt Ip 1 VIRTUAL INPUT 1 TYPE: Latched Self - Reset 827080A2.CDR Figure 5–102: VIRTUAL INPUTS SCHEME LOGIC 5-198 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 323: Contact Outputs

    Range: FlexLogic™ operand OUTPUT H1a OPERATE: MESSAGE Range: FlexLogic™ operand OUTPUT H1a RESET: MESSAGE Range: Operate-dominant, Reset-dominant OUTPUT H1a TYPE: MESSAGE Operate-dominant Range: Disabled, Enabled OUTPUT H1a EVENTS: MESSAGE Disabled GE Multilin C70 Capacitor Bank Protection and Control System 5-199...
  • Page 324 Application Example 3: A make before break functionality must be added to the preceding example. An overlap of 20 ms is required to implement this functionality as described below: 5-200 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 325: Virtual Outputs

    FlexLogic™ equations. Any change of state of a virtual output can be logged as an event if programmed to do so. For example, if Virtual Output 1 is the trip signal from FlexLogic™ and the trip relay is used to signal events, the settings would be programmed as follows: GE Multilin C70 Capacitor Bank Protection and Control System 5-201...
  • Page 326: Remote Devices

    SETTINGS PRODUCT SETUP COMMUNICATIONS IEC 61850 PROTOCOL GSSE/GOOSE setting. CONFIGURATION TRANSMISSION GSSE GSSE ID In C70 releases previous to 5.0x, these name strings were represented by the setting. RELAY NAME 5-202 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 327: Remote Inputs

    REMOTE IN 1 DEFAULT STATE the remote device sending the point is declared to be non-communicating. The following choices are available: GE Multilin C70 Capacitor Bank Protection and Control System 5-203...
  • Page 328: Remote Double-point Status Inputs

    REMOTE OUTPUTS DNA BIT PAIRS REMOTE OUPUTS DNA- 1(32) BIT PAIR Range: FlexLogic™ operand REMOTE OUTPUTS DNA- 1 OPERAND: DNA- 1 BIT PAIR Range: Disabled, Enabled DNA- 1 EVENTS: MESSAGE Disabled 5-204 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 329: Resetting

    The setting RESET OP (PUSHBUTTON) RESET OP (COMMS) RESET OP (OPERAND) shown above selects the operand that will create the operand. RESET OP (OPERAND) GE Multilin C70 Capacitor Bank Protection and Control System 5-205...
  • Page 330: Direct Inputs And Outputs

    APPLICATION EXAMPLES The examples introduced in the earlier Direct inputs and outputs section (part of the Product Setup section) are continued below to illustrate usage of the direct inputs and outputs. 5-206 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 331 DIRECT INPUT 7 DEFAULT STATE : "3" DIRECT INPUT 8 DEVICE ID : "3" DIRECT INPUT 8 BIT NUMBER : select "On" for security, select "Off" for dependability DIRECT INPUT 8 DEFAULT STATE GE Multilin C70 Capacitor Bank Protection and Control System 5-207...
  • Page 332 DIRECT INPUT 6 BIT NUMBER: UR IED 2: "1" DIRECT INPUT 5 DEVICE ID: "2" DIRECT INPUT 5 BIT NUMBER: "3" DIRECT INPUT 6 DEVICE ID: "2" DIRECT INPUT 6 BIT NUMBER: 5-208 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 333: Iec 61850 Goose Analogs

    C70 features, such as FlexElements™. The base factor is applied to the GOOSE analog input FlexAnalog quantity to normalize it to a per-unit quantity. The base units are described in the following table. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 334: Iec 61850 Goose Integers

    “Default Value”, then the value of the GOOSE uinteger input is defined by the setting. UINTEGER 1 DEFAULT The GOOSE integer input FlexInteger™ values are available for use in other C70 functions that use FlexInteger™ values. 5-210 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 335: Dcma Inputs

    –20 to +180 MW; in this case the value would be “–20” and the DCMA INPUT F1 MIN VALUE DCMA INPUT F1 MAX value “180”. Intermediate values between the min and max values are scaled linearly. VALUE GE Multilin C70 Capacitor Bank Protection and Control System 5-211...
  • Page 336: Rtd Inputs

    1.5 pu. FlexElement™ operands are available to FlexLogic™ for further interlocking or to operate an output contact directly. Refer to the following table for reference temperature values for each RTD type. 5-212 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 337 233.97 16.00 172.46 291.96 243.30 16.39 175.84 303.46 252.88 16.78 179.51 315.31 262.76 17.17 183.17 327.54 272.94 17.56 186.82 340.14 283.45 17.95 190.45 353.14 294.28 18.34 194.08 366.53 305.44 18.73 GE Multilin C70 Capacitor Bank Protection and Control System 5-213...
  • Page 338: Dcma Outputs

    MAX VAL MIN VAL MAX VAL < 0.1 pu. The resulting characteristic is illustrated in the following figure. DRIVING SIGNAL MIN VAL MAX VAL 842739A1.CDR Figure 5–108: DCMA OUTPUT CHARACTERISTIC 5-214 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 339 The CT ratio is 5000:5 and the maximum load current is 4200 A. The current should be monitored from 0 A upwards, allow- ing for 50% overload. The phase current with the 50% overload margin is: GE Multilin C70 Capacitor Bank Protection and Control System 5-215...
  • Page 340 – • ±0.5% of reading For example, under nominal conditions, the positive-sequence reads 230.94 kV and the worst-case error is 0.005 x 230.94 kV + 1.27 kV = 2.42 kV. 5-216 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 341: Test Mode

    The test mode state is indicated on the relay faceplate by a combination of the Test Mode LED indicator, the In-Service LED indicator, and by the critical fail relay, as shown in the following table. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 342: Force Contact Inputs

    Mode LED will be on, indicating that the relay is in test mode. The state of each contact input may be programmed as “Dis- abled”, “Open”, or “Closed”. All contact input operations return to normal when all settings for this feature are disabled. 5-218 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 343: Force Contact Outputs

    PUSHBUTTON 1 FUNCTION input 1 to initiate the Test mode, make the following changes in the menu: SETTINGS TESTING TEST MODE “Enabled” and “ ” TEST MODE FUNCTION: TEST MODE INITIATE: GE Multilin C70 Capacitor Bank Protection and Control System 5-219...
  • Page 344 5.10 TESTING 5 SETTINGS 5-220 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 345: Actual Values Main Menu

    STATUS IEC 61850 See page 6-8. GOOSE UINTEGERS ETHERNET SWITCH See page 6-8. ACTUAL VALUES SOURCE SRC 1 See page 6-12. METERING SOURCE SRC 2 SOURCE SRC 3 SOURCE SRC 4 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 346 RECORDS FAULT REPORT EVENT RECORDS See page 6-20. OSCILLOGRAPHY See page 6-20. DATA LOGGER See page 6-21. ACTUAL VALUES MODEL INFORMATION See page 6-22. PRODUCT INFO FIRMWARE REVISIONS See page 6-22. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 347: Contact Inputs

    The state displayed will be that of the remote point unless the remote device has been established to be “Offline” in which case the value shown is the programmed default state for the remote input. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 348: Contact Outputs

    For example, ‘Virt Op 1’ refers to the virtual output in terms of the default name-array index. The second line of the display indicates the logic state of the virtual output, as calculated by the FlexLogic™ equation for that output. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 349: Remote Devices

    (the count units label will also appear). Also included, is the date and time stamp for the frozen count. The value refers to the microsecond portion of the time stamp. COUNTER 1 MICROS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 350: Selector Switches

    ETHERNET Range: Fail, OK ETHERNET ETHERNET PRI LINK STATUS: OK Range: Fail, OK ETHERNET SEC LINK MESSAGE STATUS: OK These values indicate the status of the primary and secondary Ethernet links. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 351: Direct Inputs

    Range: Offline, Online DIRECT DEVICE 2 MESSAGE STATUS: Offline ↓ Range: Offline, Online DIRECT DEVICE 16 MESSAGE STATUS: Offline These actual values represent the state of direct devices 1 through 16. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 352: Iec 61850 Goose Integers

    • SWITCH MAC ADDRESS: This value displays the MAC address assigned to the Ethernet switch module. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 353: Metering Conventions

    WATTS = Negative VARS = Positive PF = Lead PF = Lag PF = Lead Current UR RELAY 827239AC.CDR S=VI Generator Figure 6–1: FLOW DIRECTION OF SIGNED VALUES FOR WATTS AND VARS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 354 • ACB phase rotation: -- - V -- - V -- - V -- - V -- - V -- - V The above equations apply to currents as well. 6-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 355 POWER SYSTEM FREQUENCY AND PHASE REFERENCE The example above is illustrated in the following figure. SYSTEM VOLTAGES SYMMETRICAL COMPONENTS WYE VTs DELTA VTs 827844A1.CDR Figure 6–3: MEASUREMENT CONVENTION FOR SYMMETRICAL COMPONENTS GE Multilin C70 Capacitor Bank Protection and Control System 6-11...
  • Page 356: Sources

    MESSAGE 0.000 SRC 1 PHASOR Ia: MESSAGE 0.000 0.0° SRC 1 PHASOR Ib: MESSAGE 0.000 0.0° SRC 1 PHASOR Ic: MESSAGE 0.000 0.0° SRC 1 PHASOR In: MESSAGE 0.000 0.0° 6-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 357 RMS Vab: MESSAGE 0.00 SRC 1 RMS Vbc: MESSAGE 0.00 SRC 1 RMS Vca: MESSAGE 0.00 SRC 1 PHASOR Vab: MESSAGE 0.000 0.0° SRC 1 PHASOR Vbc: MESSAGE 0.000 0.0° GE Multilin C70 Capacitor Bank Protection and Control System 6-13...
  • Page 358 φb: 0.000 SRC 1 REACTIVE PWR MESSAGE φc: 0.000 SRC 1 APPARENT PWR MESSAGE 3φ: 0.000 SRC 1 APPARENT PWR MESSAGE φa: 0.000 SRC 1 APPARENT PWR MESSAGE φb: 0.000 6-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 359 (see ). Current SETTINGS SYSTEM SETUP SIGNAL SOURCES harmonics are measured for each source for the total harmonic distortion (THD) and 2nd to 25th harmonics per phase. GE Multilin C70 Capacitor Bank Protection and Control System 6-15...
  • Page 360: Capacitor Control

    MESSAGE CAP 3 DISCHARGE TIME: MESSAGE CAP 4 DISCHARGE TIME: MESSAGE These values indicate the time remaining before the next permissible close operation for each of the four capacitor banks. 6-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 361: Capacitor Bank

    0.0000 pu UNBALANCE 1 Cm Iop A: 0.0000 pu Raw Id B: 0.0000 pu MESSAGE Cm Iop B: 0.0000 pu Raw Id C: 0.0000 pu MESSAGE Cm Iop C: 0.0000 pu GE Multilin C70 Capacitor Bank Protection and Control System 6-17...
  • Page 362: Tracking Frequency

    +IN and –IN inputs BASE BASE BASE SOURCE THD & HARMONICS BASE = 1% SOURCE VOLTAGE = maximum nominal primary RMS value of the +IN and –IN inputs BASE 6-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 363: Iec 61580 Goose Analog Values

    -50 °C Actual values for each RTD input channel that is enabled are displayed with the top line as the programmed channel ID and the bottom line as the value. GE Multilin C70 Capacitor Bank Protection and Control System 6-19...
  • Page 364: Records

    A trigger can be forced here at any time by setting “Yes” to the command. Refer to the FORCE TRIGGER? COMMANDS menu for information on clearing the oscillography records. CLEAR RECORDS 6-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 365: Data Logger

    It counts up at the defined sampling rate. If the data logger channels are defined, then both values are static. Refer to the menu for clearing data logger records. COMMANDS CLEAR RECORDS GE Multilin C70 Capacitor Bank Protection and Control System 6-21...
  • Page 366: Product Information

    6 ACTUAL VALUES 6.5PRODUCT INFORMATION 6.5.1 MODEL INFORMATION PATH: ACTUAL VALUES PRODUCT INFO MODEL INFORMATION Range: standard GE multilin order code format; MODEL INFORMATION ORDER CODE LINE 1: example order code shown C60-E00-HCH-F8F-H6A Range: standard GE multilin order code format...
  • Page 367: Commands And

    If applied from this command level, a given value is placed into the setting file and applied instanta- neously in all setting groups of the relay with the same source as the active group during the auto-setting procedure. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 368 Therefore, it is a good practice to block the most sensitive stages on energization, manually adjust the factors to reduce the differential signal, and then enable the most sensitive stages. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 369 When the supervisory conditions are not satisfied in “Auto” mode, the message is displayed and the 59NU func- AUTO FAIL tion starts running with the pre-existing settings for the balancing factors. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 370 If the supervisory conditions are not satisfied in the “Auto” mode within time defined by the set- DEFAULT MESSAGE TIMEOUT ting, the message is displayed and the 60P function starts running with the pre-existing settings for the balanc- AUTO FAIL ing factors. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 371 If the supervisory conditions are not satisfied in the “Auto” mode within time defined by the set- DEFAULT MESSAGE TIMEOUT ting, the message is displayed and the 60N function starts running with the pre-existing settings for the balanc- AUTO FAIL ing factors. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 372: Virtual Inputs

    24-hour clock. The complete date, as a minimum, must be entered to allow execution of this com- mand. The new time will take effect at the moment the ENTER key is clicked. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 373: Relay Maintenance

    Once the diagnostic information is cleared, all self- checking variables are reset to their initial state and diagnostics will restart from scratch. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 374: Targets Menu

    • All other output relays are de-energized and are prevented from further operation. • The faceplate In Service LED indicator is turned off. • event is recorded. RELAY OUT OF SERVICE C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 375 How often the test is performed: On power up and whenever the PRODUCT SETUP INSTALLATION RELAY SETTINGS setting is altered • What to do: Program all settings and then set to “Programmed”. PRODUCT SETUP INSTALLATION RELAY SETTINGS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 376 Proper cable functionality (that is, check for physical damage or perform a continuity test). – The IRIG-B receiver is functioning. – Check the input signal level (it may be less than specification). 7-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 377 What to do: Check direct input and output configuration and wiring. REMOTE DEVICE FAIL: COMM Path Incomplete • Latched target message: No. • Description of problem: One or more GOOSE devices are not responding. GE Multilin C70 Capacitor Bank Protection and Control System 7-11...
  • Page 378 DC supply, or as a result of internal relay failure. • How often the test is performed: Event driven. • What to do: Contact the factory. 7-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 379: Security

    The appropriate events are also logged in the Event Recorder as well. The FlexLogic™ operands and events are updated every five seconds. A command or setting write operation is required to update the state of all the remote and local security operands shown above. NOTE GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 380: Password Security Menu

    If an entered password is lost (or forgotten), consult the factory with the corresponding ENCRYPTED PASSWORD If the setting and command passwords are identical, then this one password allows access to both com- mands and settings. NOTE C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 381: Remote Passwords

    SUPERVISION TIMEOUTS Range: 2 to 5 in steps of 1 INVALID ATTEMPTS MESSAGE BEFORE LOCKOUT: 3 Range: 5 to 60 minutes in steps of 1 PASSWORD LOCKOUT MESSAGE DURATION: 5 min GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 382: Dual Permission Security Access

    If this setting is “On“, then local setting access functions as normal; that is, a local setting password is required. If this setting is any contact input on FlexLogic™ operand, then the operand must be asserted (set as on) prior to providing the local setting password to gain setting access. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 383 If access is permitted and an off-to-on transition of the FlexLogic™ operand is detected, the timeout is restarted. The status of this timer is updated every 5 seconds. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 384: Settings Security

    Select the Template Mode > Edit Template option to place the device in template editing mode. Enter the template password then click OK. Open the relevant settings windows that contain settings to be specified as viewable. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 385 The following procedure describes how to add password protection to a settings file template. Select a settings file from the offline window on the left of the EnerVista UR Setup main screen. Selecting the Template Mode > Password Protect Template option. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 386 The template specifies that only the Pickup Curve Phase time overcurrent settings window without template applied. settings be available. 842858A1.CDR Figure 8–4: APPLYING TEMPLATES VIA THE VIEW IN TEMPLATE MODE COMMAND C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 387 Select an installed device or settings file from the tree menu on the left of the EnerVista UR Setup main screen. Select the Template Mode > Remove Settings Template option. Enter the template password and click OK to continue. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 388: Securing And Locking Flexlogic™ Equations

    Click on Save to save and apply changes to the settings template. Select the Template Mode > View In Template Mode option to view the template. Apply a password to the template then click OK to secure the FlexLogic™ equation. 8-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 389 FlexLogic™ entries in a settings file have been secured, use the following procedure to lock the settings file to a specific serial number. Select the settings file in the offline window. Right-click on the file and select the Edit Settings File Properties item. GE Multilin C70 Capacitor Bank Protection and Control System 8-11...
  • Page 390: Settings File Traceability

    SENT BACK TO ENERVISTA AND has been compromised. ADDED TO SETTINGS FILE. 842864A1.CDR Figure 8–11: SETTINGS FILE TRACEABILITY MECHANISM With respect to the above diagram, the traceability feature is used as follows. 8-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 391 This information is also available in printed settings file reports as shown in the example below. Traceability data in settings report 842862A1.CDR Figure 8–13: SETTINGS FILE REPORT SHOWING TRACEABILITY DATA GE Multilin C70 Capacitor Bank Protection and Control System 8-13...
  • Page 392 If the user converts an existing settings file to another revision, then any existing traceability information is removed from the settings file. • If the user duplicates an existing settings file, then any traceability information is transferred to the duplicate settings file. 8-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 393: Enervista Security Management System

    Select the Security > User Management menu item to open the user management configuration window. Enter a username in the User field. The username must be between 4 and 20 characters in length. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 394: Modifying User Privileges

    The following procedure describes how to modify user privileges. Select the Security > User Management menu item to open the user management configuration window. Locate the username in the User field. 8-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 395 When this box is checked, the user will become an EnerVista URPlus Setup administrator, therefore receiving all of the administrative rights. Exercise caution when granting administrator rights. Click OK to save the changes to user to the security management system. GE Multilin C70 Capacitor Bank Protection and Control System 8-17...
  • Page 396 8.3 ENERVISTA SECURITY MANAGEMENT SYSTEM 8 SECURITY 8-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 397: Theory Of Operation

    RMS value of these phase-to-ground quantities are what the bank phase overvoltage protection measures when the bus source is set for wye VTs and the bank overvoltage protection ground setpoint is set to grounded. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 398 However, as shown immediately above, string voltages can be determined for an ungrounded balanced bank using only phase-to-phase bus voltages. In the case of a grounded bank, we can calculate that the A-string voltage is: C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 399: Voltage Differential (ansi 87v)

    8.8 is implemented using primary voltage phasors. The protection operates when the operate signal is greater than the set pickup level for the set pickup delay. Identical relations apply to phases B and C. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 400 Substituting equation 8.13, we have: × × ---------- - V ------ - ---------- - or dV (EQ 9.15) OP 1A OP 1A This can be written as: × Δ (EQ 9.16) OP 1A C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 401 V can be taken as 1 when the system is normal (not faulted). Note however that under external fault conditions sensitivity may be much different from the non-fault sensitivity. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 402: Compensated Bank Neutral Voltage Unbalance (ansi 59nu)

    In addition a slope characteristic is used to deal with measuring errors for the involved voltages under large system unbalances such as during a close-in external fault. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 403 The unbalance ratio k-values that reflect the initial or inherent bank unbalance are chosen as: ------ - , k ------- (EQ 9.31) Therefore, as seen from the previous two equations, the initial operating signal will be zero. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 404 ------------------------------------------------------------------------------------- ≅ ≅ ≅ ≅ For our purposes, , so . This results in: – ≅ ---------- - V -- - ------------------- - (EQ 9.38) × × -- - ------- – C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 405 8.25 to zero and solve for the unbalance ratio k- values using the average of several successive measurements of the voltages. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 406: Phase Current Unbalance (ansi 60p)

    Sensitivity is the key performance parameter. The applied comparator uses a simple integration method in addition to the standard hysteresis approach, to deal with chattering of the operating signal at the boundary of operation. 9-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 407 We assume here that I constant, which investigation has shown results in negligible error. The derivative is thus: GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 408: Neutral Current Unbalance (ansi 60n)

    However, with the two banks slightly mis-matched due to manu- facturing tolerances, a circulating zero-sequence current may be present. Compensation for this inherent unbalance cur- rent is available to increase the sensitivity of the function. 9-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 409 BALANCED CASE The currents in the neutral current unbalance protection are driven by the individual admittances in each string: GE Multilin C70 Capacitor Bank Protection and Control System 9-13...
  • Page 410 Also, convert from phase coordinates into sequence components as follows, and equation 8.60 becomes: a ˆ a ˆ I a ˆ I a ˆ (EQ 9.62) a ˆ a ˆ k a ˆ k a ˆ Substituting this into equation 8.54, we get: 9-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 411 I converted to the differential source base. For example, I , where I rated rated base base is again the differential CT primary current rating, or with system normal: GE Multilin C70 Capacitor Bank Protection and Control System 9-15...
  • Page 412: Settings

    8.58 through 8.65. This results in the following changes. Equation 8.64 becomes: a ˆ a ˆ k (EQ 9.69) a ˆ a ˆ -------------------------- - -------------------------- - -------------------------- - Equation 8.65 becomes: 9-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 413 In this situation, the base for ΔC(pu) is the capacitance of the string which has the element failure, so the larger bank will have a lower sensitivity than the smaller bank. GE Multilin C70 Capacitor Bank Protection and Control System 9-17...
  • Page 414 9.1 OVERVIEW 9 THEORY OF OPERATION 9-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 415: Overview

    The capacitor units are built larger because the entire unit is not expected to fail. GE Multilin C70 Capacitor Bank Protection and Control System 10-1...
  • Page 416: Fuseless Capacitors

    This design does not require as many capacitor units in parallel as an externally fused bank. 10-2 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 417: Connections Of Shunt Capacitor Banks

    As long as no fuses have opened and no elements have shorted, the ratio of these two voltages will remain constant. The ratio changes with any capacitor failure in the phase, providing sensitive protection. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 418: Summary

    The following figure summarizes the grounded wye, ungrounded wye, delta, H-bridge, and tapped connection types for capacitor banks. Grounded wye Ungrounded wye Delta H-bridge Tapped 834756A1.CDR Figure 10–4: CAPACITOR BANK CONNECTIONS 10-4 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 419: Protection Methods For Capacitor Banks

    The variety of unbalance protection schemes that may be applied with C70 for internally fused, externally fused, fuseless, or unfused shunt capacitor banks is indicated in Theory of operation chapter and is illustrated on the figures below. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 420 The following figure illustrates a single capacitor bank, ungrounded, with a tap. In this case, two CT/VT modules are required. C70 CAPACITOR BANK RELAY 59NU 834758A1.CDR Figure 10–6: SINGLE BANK, UNGROUNDED, WITH A TAP 10-6 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 421 The following figure illustrates parallel capacitor banks, ungrounded, no tap available, and with current unbalance protec- tion. In this case, two CT/VT modules are required. C70 CAPACITOR BANK RELAY 59NU 834760A1.CDR Figure 10–8: PARALLEL BANKS, UNGROUNDED, NO TAP AVAILABLE, CURRENT UNBALANCE PROTECTION GE Multilin C70 Capacitor Bank Protection and Control System 10-7...
  • Page 422 CTs for each bank. In this case, two CT/VT modules are required. C70 CAPACITOR BANK RELAY 834762A1.CDR Figure 10–10: PARALLEL BANKS, GROUNDED, NO TAP, WITH CURRENT BALANCE PROTECTION AND HIGH-SIDE CTS 10-8 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 423 (ground fault), a delay slightly longer than the upstream protection fault clearing time is required to avoid tripping due to a system fault. Longer delays increase the probability of catastrophic bank failure. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 424: Protection For Rack Faults (arc-over Within Capacitor Bank)

    The C70 relay provides inverse time overvoltage characteristics required to decrease tripping time for large overvoltages. Because this tripping is not due to a fault within the capacitor bank, the capacitor bank is not locked out. 10-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 425: Overcurrent

    Because this tripping is also not due to a fault within the capacitor bank (like system overvoltage tripping), the bank is not locked out. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 426: Setting Example

    The CT and VT connections are shown in the figure above. The CT channels are connected as follows. • The type 8L CT/VT module F1 to F3 three-phase CT channels are connected to the bus side three-phase CTs with a 120 / 5 A ratio. 10-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 427: Source Assignment

    The following sources must be assigned for the protection functions indicated. • Source 1 (bus) is assigned with CT and VT banks connected to the bus, providing a signal source for overcurrent, phase current unbalance, overvoltage, and undervoltage functions. GE Multilin C70 Capacitor Bank Protection and Control System 10-13...
  • Page 428: Bank Unbalance Calculations

    2 ⁄ The maximum voltage across the healthy top section: × × 81515.37 V 1890.35Ω -------------------------- --------------------------------------------------------------- - 81340.40 V (EQ 10.12) 1984.42Ω The maximum voltage across the healthy bottom section: 10-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 429 223.07 V 81292.30 V 1.273 pu 0.2783 pu 0.2783 pu 0.2341 pu 1894.42 Ω 1444.34 Ω 175.37 V 230.02 V 81285.35 V 1.313 pu 0.3188 pu 0.3188 pu 0.2682 pu GE Multilin C70 Capacitor Bank Protection and Control System 10-15...
  • Page 430: Bank Voltage Differential Settings

    0.1074 pu 0.0785 pu diff f4_max diff f3_max 87V trip ----------------------------------------------------------------- - ----------------------------------------------------------- - 0.093 pu (EQ 10.23) Therefore, the trip delay is set to 50 ms. 10-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 431 VTs. These VTs must be blocked if one or both of them has a VT fuse failure condition. There- fore, as shown in the following figure, a blocking input for each element is created with FlexLogic™. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 432: Bank Phase Current Unbalance Settings

    The pickup setting for the stage 1 phase current unbalance alarm element is programmed for one element failure. × 60P alarm 0.9I 0.9 0.0209 pu 0.019 pu (EQ 10.24) unbal f1_max 10-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 433: Bank Phase Overvoltage Settings

    × 59B pickup (stage 1) 1.25 1.125 pu × 59B pickup (stage 2) 0.9 1.5 1.35 pu (EQ 10.26) × 59B pickup (stage 3) 1.80 pu GE Multilin C70 Capacitor Bank Protection and Control System 10-19...
  • Page 434: Bank Phase Undervoltage Settings

    0.7 pu with a time delay of 1 second, based on maximum fault clearing time. The bank undervoltage element is blocked during VT fuse fail conditions. The following setting values are programmed in the EnerVista UR Setup software. 10-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 435: Bank Overcurrent Protection

    10% of the nominal bank phase current with a delay of 250 to 400 ms typically pro- vides adequate coordination for faults external to the bank and protection for internal rack faults. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 436 10.4 SETTING EXAMPLE 10 APPLICATION OF SETTINGS 10-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 437: Parameter Lists

    SRC 2 I_2 Mag Degrees Source 2 negative-sequence current magnitude 6241 SRC 2 I_2 Angle Amps Source 2 negative-sequence current angle 6242 SRC 2 Igd Mag Degrees Source 2 differential ground current magnitude GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 438 SRC 4 I_2 Angle Amps Source 4 negative-sequence current angle 6370 SRC 4 Igd Mag Degrees Source 4 differential ground current magnitude 6372 SRC 4 Igd Angle Amps Source 4 differential ground current angle C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 439 Degrees Source 6 differential ground current magnitude 6500 SRC 6 Igd Angle Amps Source 6 differential ground current angle 6656 SRC 1 Vag RMS Volts Source 1 phase AG voltage RMS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 440 SRC 2 Vx RMS Volts Source 2 auxiliary voltage RMS 6752 SRC 2 Vx Mag Volts Source 2 auxiliary voltage magnitude 6754 SRC 2 Vx Angle Degrees Source 2 auxiliary voltage angle C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 441 Volts Source 4 phase CA voltage RMS 6869 SRC 4 Vab Mag Volts Source 4 phase AB voltage magnitude 6871 SRC 4 Vab Angle Degrees Source 4 phase AB voltage angle GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 442 Degrees Source 6 phase AG voltage angle 6985 SRC 6 Vbg Mag Volts Source 6 phase BG voltage magnitude 6987 SRC 6 Vbg Angle Degrees Source 6 phase BG voltage angle C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 443 Source 2 phase C reactive power 7216 SRC 2 S Source 2 three-phase apparent power 7218 SRC 2 Sa Source 2 phase A apparent power 7220 SRC 2 Sb Source 2 phase B apparent power GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 444 Source 5 phase B reactive power 7310 SRC 5 Qc Vars Source 5 phase C reactive power 7312 SRC 5 S Source 5 three-phase apparent power 7314 SRC 5 Sa Source 5 phase A apparent power C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 445 Source 1 phase A voltage seventeenth harmonic 8081 SRC 1 Va Harm[16] Volts Source 1 phase A voltage eighteenth harmonic 8082 SRC 1 Va Harm[17] Volts Source 1 phase A voltage nineteenth harmonic GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 446 Source 1 phase C voltage fourteenth harmonic 8128 SRC 1 Vc Harm[13] Volts Source 1 phase C voltage fifteenth harmonic 8129 SRC 1 Vc Harm[14] Volts Source 1 phase C voltage sixteenth harmonic A-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 447 Source 2 phase B voltage eleventh harmonic 8175 SRC 2 Vb Harm[10] Volts Source 2 phase B voltage twelfth harmonic 8176 SRC 2 Vb Harm[11] Volts Source 2 phase B voltage thirteenth harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-11...
  • Page 448 Source 3 phase A voltage eighth harmonic 8222 SRC 3 Va Harm[7] Volts Source 3 phase A voltage ninth harmonic 8223 SRC 3 Va Harm[8] Volts Source 3 phase A voltage tenth harmonic A-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 449 Source 3 phase C voltage fifth harmonic 8269 SRC 3 Vc Harm[4] Volts Source 3 phase C voltage sixth harmonic 8270 SRC 3 Vc Harm[5] Volts Source 3 phase C voltage seventh harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-13...
  • Page 450 Source 4 phase B voltage second harmonic 8316 SRC 4 Vb Harm[1] Volts Source 4 phase B voltage third harmonic 8317 SRC 4 Vb Harm[2] Volts Source 4 phase B voltage fourth harmonic A-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 451 Source 4 phase C voltage twenty-fourth harmonic 8363 SRC 4 Vc Harm[23] Volts Source 4 phase C voltage twenty-fifth harmonic 8364 SRC 5 Va THD Source 5 phase A voltage total harmonic distortion (THD) GE Multilin C70 Capacitor Bank Protection and Control System A-15...
  • Page 452 Source 5 phase B voltage twenty-first harmonic 8410 SRC 5 Vb Harm[20] Volts Source 5 phase B voltage twenty-second harmonic 8411 SRC 5 Vb Harm[21] Volts Source 5 phase B voltage twenty-third harmonic A-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 453 Source 6 phase A voltage eighteenth harmonic 8457 SRC 6 Va Harm[17] Volts Source 6 phase A voltage nineteenth harmonic 8458 SRC 6 Va Harm[18] Volts Source 6 phase A voltage twentieth harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-17...
  • Page 454 Source 6 phase C voltage fifteenth harmonic 8504 SRC 6 Vc Harm[14] Volts Source 6 phase C voltage sixteenth harmonic 8505 SRC 6 Vc Harm[15] Volts Source 6 phase C voltage seventeenth harmonic A-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 455 Source 1 phase B current twelfth harmonic 10285 SRC 1 Ib Harm[11] Amps Source 1 phase B current thirteenth harmonic 10286 SRC 1 Ib Harm[12] Amps Source 1 phase B current fourteenth harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-19...
  • Page 456 Source 2 phase A current ninth harmonic 10348 SRC 2 Ia Harm[8] Amps Source 2 phase A current tenth harmonic 10349 SRC 2 Ia Harm[9] Amps Source 2 phase A current eleventh harmonic A-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 457 Source 2 phase C current sixth harmonic 10411 SRC 2 Ic Harm[5] Amps Source 2 phase C current seventh harmonic 10412 SRC 2 Ic Harm[6] Amps Source 2 phase C current eighth harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-21...
  • Page 458 Source 3 phase B current third harmonic 10474 SRC 3 Ib Harm[2] Amps Source 3 phase B current fourth harmonic 10475 SRC 3 Ib Harm[3] Amps Source 3 phase B current fifth harmonic A-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 459 Source 3 phase C current twenty-fifth harmonic 10537 SRC 4 Ia THD Source 4 phase A current total harmonic distortion 10538 SRC 4 Ia Harm[0] Amps Source 4 phase A current second harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-23...
  • Page 460 Source 4 phase B current twenty-second harmonic 10592 SRC 4 Ib Harm[21] Amps Source 4 phase B current twenty-third harmonic 10593 SRC 4 Ib Harm[22] Amps Source 4 phase B current twenty-fourth harmonic A-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 461 Source 5 phase A current nineteenth harmonic 10647 SRC 5 Ia Harm[18] Amps Source 5 phase A current twentieth harmonic 10648 SRC 5 Ia Harm[19] Amps Source 5 phase A current twenty-first harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-25...
  • Page 462 Source 5 phase C current sixteenth harmonic 10694 SRC 5 Ic Harm[15] Amps Source 5 phase C current seventeenth harmonic 10695 SRC 5 Ic Harm[16] Amps Source 5 phase C current eighteenth harmonic A-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 463 Source 6 phase B current thirteenth harmonic 10741 SRC 6 Ib Harm[12] Amps Source 6 phase B current fourteenth harmonic 10742 SRC 6 Ib Harm[13] Amps Source 6 phase B current fifteenth harmonic GE Multilin C70 Capacitor Bank Protection and Control System A-27...
  • Page 464 13522 DCMA Inputs 10 Value dcmA input 10 actual value 13524 DCMA Inputs 11 Value dcmA input 11 actual value 13526 DCMA Inputs 12 Value dcmA input 12 actual value A-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 465 13584 RTD Inputs 33 Value RTD input 33 actual value 13585 RTD Inputs 34 Value RTD input 34 actual value 13586 RTD Inputs 35 Value RTD input 35 actual value GE Multilin C70 Capacitor Bank Protection and Control System A-29...
  • Page 466 FlexElement 1 Value FlexElement™ 1 actual value 39427 FlexElement 2 Value FlexElement™ 2 actual value 39429 FlexElement 3 Value FlexElement™ 3 actual value 39431 FlexElement 4 Value FlexElement™ 4 actual value A-30 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 467 GOOSE Analog In 14 IEC 61850 GOOSE analog input 14 45612 GOOSE Analog In 15 IEC 61850 GOOSE analog input 15 45614 GOOSE Analog In 16 IEC 61850 GOOSE analog input 16 GE Multilin C70 Capacitor Bank Protection and Control System A-31...
  • Page 468: Flexinteger Items

    9994 GOOSE UInt Input 14 IEC61850 GOOSE UInteger input 14 9996 GOOSE UInt Input 15 IEC61850 GOOSE UInteger input 15 9998 GOOSE UInt Input 16 IEC61850 GOOSE UInteger input 16 A-32 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 469: Modbus Rtu Protocol

    Broadcast mode is only recognized when associated with function code 05h. For any other function code, a packet with broadcast mode slave address 0 will be ignored. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 470: Algorithm

    No: go to 8; Yes: G (+) A --> A and continue. Is j = 8? No: go to 5; Yes: continue i + 1 --> i Is i = N? No: go to 3; Yes: continue A --> CRC C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 471: Modbus Function Codes

    1 to 127 though only a small subset is generally needed. The relay supports some of these functions, as summarized in the following table. Subsequent sections describe each function code in detail. FUNCTION CODE MODBUS DEFINITION GE MULTILIN DEFINITION Read holding registers Read actual values or settings Read holding registers...
  • Page 472: Execute Operation (function Code 05h

    DATA STARTING ADDRESS - low DATA STARTING ADDRESS - low DATA - high DATA - high DATA - low DATA - low CRC - low CRC - low CRC - high CRC - high C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 473: Store Multiple Settings (function Code 10h

    EXAMPLE (HEX) SLAVE ADDRESS SLAVE ADDRESS FUNCTION CODE FUNCTION CODE CRC - low order byte ERROR CODE CRC - high order byte CRC - low order byte CRC - high order byte GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 474: File Transfers

    Familiarity with the data logger feature is required to understand this description. Refer to the Data Logger section of Chap- ter 5 for details. To read the entire data logger in binary COMTRADE format, read the following files. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 475: Modbus Password Operation

    Command or setting password security access is restricted to the particular port or particular TCP/IP connection on which the entry was made. Passwords must be entered when accessing the relay through other ports or connections, and the passwords must be re-entered after disconnecting and re-connecting on TCP/IP. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 476: Memory Mapping

    Virtual Input 26 State 0 to 1 F108 0 (Off) 041A Virtual Input 27 State 0 to 1 F108 0 (Off) 041B Virtual Input 28 State 0 to 1 F108 0 (Off) C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 477 ...Repeated for Digital Counter 8 FlexStates (Read Only) 0900 FlexState Bits (16 items) 0 to 65535 F001 Element States (Read Only) 1000 Element Operate States (64 items) 0 to 65535 F502 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 478 Source 1 Phase A Current Magnitude 0 to 999999.999 0.001 F060 180A Source 1 Phase A Current Angle -359.9 to 0 degrees F002 180B Source 1 Phase B Current Magnitude 0 to 999999.999 0.001 F060 B-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 479 Source 1 Negative Sequence Voltage Angle -359.9 to 0 degrees F002 1A2C Reserved (20 items) F001 1A40 ...Repeated for Source 2 1A80 ...Repeated for Source 3 1AC0 ...Repeated for Source 4 GE Multilin C70 Capacitor Bank Protection and Control System B-11...
  • Page 480 ...Repeated for Source 4 20AC ...Repeated for Source 5 20F7 ...Repeated for Source 6 Breaker flashover (read/write setting) (2 modules) 21A6 Breaker flashover 1 function 0 to 1 F102 0 (Disabled) B-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 481 26FA IEC 61850 received uinteger 6 0 to 4294967295 F003 26FC IEC 61850 received uinteger 7 0 to 4294967295 F003 26FE IEC 61850 received uinteger 8 0 to 4294967295 F003 GE Multilin C70 Capacitor Bank Protection and Control System B-13...
  • Page 482 0 to 65536 F600 30B3 Fault Report 1 Reserved (5 items) F001 30B8 ...Repeated for Fault Report 2 Modbus file transfer (read/write) 3100 Name of file to read F204 (none) B-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 483 -9999999 to 9999999 F004 34C8 DCMA Inputs 5 Value -9999999 to 9999999 F004 34CA DCMA Inputs 6 Value -9999999 to 9999999 F004 34CC DCMA Inputs 7 Value -9999999 to 9999999 F004 GE Multilin C70 Capacitor Bank Protection and Control System B-15...
  • Page 484 3511 RTD Input 34 Value -32768 to 32767 °C F002 3512 RTD Input 35 Value -32768 to 32767 °C F002 3513 RTD Input 36 Value -32768 to 32767 °C F002 B-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 485 1970 to 3000 F001 3730 Time of day timer 1 state 0 to 1 F108 0 (Off) 3731 Time of day timer 2 state 0 to 1 F108 0 (Off) GE Multilin C70 Capacitor Bank Protection and Control System B-17...
  • Page 486 0 to 4294967295 F003 4294966272 408B Gateway IP Address 0 to 4294967295 F003 56554497 408D Network Address NSAP F074 409A DNP Channel 1 Port 0 to 4 F177 0 (None) B-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 487 DNP object 22 default variation 0 to 3 F523 0 (1) 4145 DNP object 23 default variation 0 to 3 F523 0 (1) 4146 DNP object 30 default variation 1 to 5 F001 GE Multilin C70 Capacitor Bank Protection and Control System B-19...
  • Page 488 Oscillography Trigger Source 0 to 65535 F300 41C4 Oscillography AC Input Waveforms 0 to 4 F183 2 (16 samples/cycle) 41D0 Oscillography Analog Channel n (16 items) 0 to 65535 F600 B-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 489 42BC ...Repeated for User-Programmable LED 31 42BE ...Repeated for User-Programmable LED 32 42C0 ...Repeated for User-Programmable LED 33 42C2 ...Repeated for User-Programmable LED 34 42C4 ...Repeated for User-Programmable LED 35 GE Multilin C70 Capacitor Bank Protection and Control System B-21...
  • Page 490 Source 1 Phase VT 0 to 63 F400 4586 Source 1 Auxiliary VT 0 to 63 F400 4587 ...Repeated for Source 2 458E ...Repeated for Source 3 4595 ...Repeated for Source 4 B-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 491 4CC0 ...Repeated for User-Definable Display 7 4CE0 ...Repeated for User-Definable Display 8 4D00 ...Repeated for User-Definable Display 9 4D20 ...Repeated for User-Definable Display 10 4D40 ...Repeated for User-Definable Display 11 GE Multilin C70 Capacitor Bank Protection and Control System B-23...
  • Page 492 54E4 ...Repeated for RTD Input 13 54F7 ...Repeated for RTD Input 14 550A ...Repeated for RTD Input 15 551D ...Repeated for RTD Input 16 5530 ...Repeated for RTD Input 17 B-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 493 5870 ...Repeated for FlexLogic™ Timer 15 5878 ...Repeated for FlexLogic™ Timer 16 5880 ...Repeated for FlexLogic™ Timer 17 5888 ...Repeated for FlexLogic™ Timer 18 5890 ...Repeated for FlexLogic™ Timer 19 GE Multilin C70 Capacitor Bank Protection and Control System B-25...
  • Page 494 ...Repeated for Phase Instantaneous Overcurrent 8 5A80 ...Repeated for Phase Instantaneous Overcurrent 9 5A90 ...Repeated for Phase Instantaneous Overcurrent 10 5AA0 ...Repeated for Phase Instantaneous Overcurrent 11 5AB0 ...Repeated for Phase Instantaneous Overcurrent 12 B-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 495 0 to 1 F001 5D10 ...Repeated for Ground Time Overcurrent 2 5D20 ...Repeated for Ground Time Overcurrent 3 5D30 ...Repeated for Ground Time Overcurrent 4 5D40 ...Repeated for Ground Time Overcurrent 5 GE Multilin C70 Capacitor Bank Protection and Control System B-27...
  • Page 496 0 (SRC 1) 6322 Bank phase overvoltage 1 neutral source 0 to 5 F167 0 (SRC 1) 6323 Bank phase overvoltage 1 bank ground 0 to 2 F093 0 (Grounded) B-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 497 0 to 2359 F050 6573 Time of day timer 1 stop time 0 to 2359 F001 2359 6575 Time of day timer 1 targets 0 to 2 F109 0 (Self-reset) GE Multilin C70 Capacitor Bank Protection and Control System B-29...
  • Page 498 Inputs 1 Minimum Value -9999.999 to 9999.999 0.001 F004 4000 7311 dcmA Inputs 1 Maximum Value -9999.999 to 9999.999 0.001 F004 20000 7313 Reserved (5 items) 0 to 65535 F001 B-30 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 499 75FD ...Repeated for disconnect switch 10 7612 ...Repeated for disconnect switch 11 7627 ...Repeated for disconnect switch 12 763C ...Repeated for disconnect switch 13 7651 ...Repeated for disconnect switch 14 GE Multilin C70 Capacitor Bank Protection and Control System B-31...
  • Page 500 0 to 1 F102 0 (Disabled) 7F08 Neutral Overvoltage 1 Curves 0 to 3 F116 0 (Definite Time) 7F09 Reserved (8 items) 0 to 65535 F001 7F10 ...Repeated for Neutral Overvoltage 2 B-32 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 501 8621 ...Repeated for Breaker Failure 2 8642 ...Repeated for Breaker Failure 3 8663 ...Repeated for Breaker Failure 4 8684 ...Repeated for Breaker Failure 5 86A5 ...Repeated for Breaker Failure 6 GE Multilin C70 Capacitor Bank Protection and Control System B-33...
  • Page 502 8CE4 ...Repeated for Digital Element 38 8CF8 ...Repeated for Digital Element 39 8D0C ...Repeated for Digital Element 40 8D20 ...Repeated for Digital Element 41 8D34 ...Repeated for Digital Element 42 B-34 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 503 0.001 F001 9011 FlexElement™ 1 Block 0 to 65535 F300 9012 FlexElement™ 1 Target 0 to 2 F109 0 (Self-reset) 9013 FlexElement™ 1 Events 0 to 1 F102 0 (Disabled) GE Multilin C70 Capacitor Bank Protection and Control System B-35...
  • Page 504 9430 ...Repeated for Direct Input/Output 5 943C ...Repeated for Direct Input/Output 6 9448 ...Repeated for Direct Input/Output 7 9454 ...Repeated for Direct Input/Output 8 9460 ...Repeated for Direct Input/Output 9 B-36 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 505 -2147483.647 to 2147483.647 0.001 F004 9A13 FlexElement™ 10 Actual -2147483.647 to 2147483.647 0.001 F004 9A15 FlexElement™ 11 Actual -2147483.647 to 2147483.647 0.001 F004 9A17 FlexElement™ 12 Actual -2147483.647 to 2147483.647 0.001 F004 GE Multilin C70 Capacitor Bank Protection and Control System B-37...
  • Page 506 0 to 250 ohms 0.01 F001 9C98 AVR 1 voltage drop compensation RCA 30 to 90 ° F001 9C99 Automatic voltage regulator 1 var level to close –1.500 to 1.500 0.001 F002 B-38 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 507 0.001 to 1.000 0.001 F001 9D5E Neutral voltage unbalance 1 stage 4 slope 0 to 10.0 F001 9D5F Neutral voltage unbalance 1 stage 1 pickup delay 0 to 600.00 0.01 F001 3000 GE Multilin C70 Capacitor Bank Protection and Control System B-39...
  • Page 508 0.5000 to 2000.0000 0.0001 F003 20000 9E4A Voltage differential 1 stage 1A pickup 0.001 to 1.000 0.001 F001 9E4B Voltage differential 1 stage 2A pickup 0.001 to 1.000 0.001 F001 B-40 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 509 ...Repeated for Selector 2 DNP/IEC Points (Read/Write Setting) A300 DNP/IEC 60870-5-104 Binary Input Points (256 items) 0 to 65535 F300 A400 DNP/IEC 60870-5-104 Analog Input Points (256 items) 0 to 65535 F300 GE Multilin C70 Capacitor Bank Protection and Control System B-41...
  • Page 510 IEC 61850 GOOSE analog input 1 units F207 (none) AA05 IEC 61850 GOOSE analog input 1 per-unit base 0 to 999999999.999 0.001 F060 AA07 ...Repeated for IEC 61850 GOOSE analog input 2 B-42 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 511 AED1 Repeated for IEC 61850 XSWI2 AED3 Repeated for IEC 61850 XSWI3 AED5 Repeated for IEC 61850 XSWI4 AED7 Repeated for IEC 61850 XSWI5 AED9 Repeated for IEC 61850 XSWI6 GE Multilin C70 Capacitor Bank Protection and Control System B-43...
  • Page 512 ...Repeated for IEC 61850 GGIO4 analog input 26 AFC6 ...Repeated for IEC 61850 GGIO4 analog input 27 AFCD ...Repeated for IEC 61850 GGIO4 analog input 28 AFD4 ...Repeated for IEC 61850 GGIO4 analog input 29 B-44 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 513 0.001 to 100 0.001 F003 10000 B0D6 IEC 61850 MMXU A.phsA Deadband 1 0.001 to 100 0.001 F003 10000 B0D8 IEC 61850 MMXU A.phsB Deadband 1 0.001 to 100 0.001 F003 10000 GE Multilin C70 Capacitor Bank Protection and Control System B-45...
  • Page 514 1 to 4294967295 F003 B5CA IEC 61850 Configurable GOOSE Retransmission Curve 0 to 3 F611 3 (Relaxed) B5CB Configurable GOOSE Dataset Items for Transmission 0 to 542 F232 0 (None) (64 items) B-46 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 515 BBF0 ...Repeated for Contact Input 31 BBF8 ...Repeated for Contact Input 32 BC00 ...Repeated for Contact Input 33 BC08 ...Repeated for Contact Input 34 BC10 ...Repeated for Contact Input 35 GE Multilin C70 Capacitor Bank Protection and Control System B-47...
  • Page 516 BDA0 ...Repeated for Contact Input 85 BDA8 ...Repeated for Contact Input 86 BDB0 ...Repeated for Contact Input 87 BDB8 ...Repeated for Contact Input 88 BDC0 ...Repeated for Contact Input 89 B-48 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 517 BFD4 ...Repeated for Virtual Input 36 BFE0 ...Repeated for Virtual Input 37 BFEC ...Repeated for Virtual Input 38 BFF8 ...Repeated for Virtual Input 39 C004 ...Repeated for Virtual Input 40 GE Multilin C70 Capacitor Bank Protection and Control System B-49...
  • Page 518 C1E0 ...Repeated for Virtual Output 23 C1E8 ...Repeated for Virtual Output 24 C1F0 ...Repeated for Virtual Output 25 C1F8 ...Repeated for Virtual Output 26 C200 ...Repeated for Virtual Output 27 B-50 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 519 C390 ...Repeated for Virtual Output 77 C398 ...Repeated for Virtual Output 78 C3A0 ...Repeated for Virtual Output 79 C3A8 ...Repeated for Virtual Output 80 C3B0 ...Repeated for Virtual Output 81 GE Multilin C70 Capacitor Bank Protection and Control System B-51...
  • Page 520 C524 ...Repeated for Contact Output 20 C530 ...Repeated for Contact Output 21 C53C ...Repeated for Contact Output 22 C548 ...Repeated for Contact Output 23 C554 ...Repeated for Contact Output 24 B-52 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 521 ...Repeated for Control Pushbutton 6 C76C ...Repeated for Control Pushbutton 7 Clear Records (Read/Write Setting) C771 Clear User Fault Reports operand 0 to 65535 F300 C772 Clear Event Records operand 0 to 65535 F300 GE Multilin C70 Capacitor Bank Protection and Control System B-53...
  • Page 522 ...Repeated for Direct Input 30 C908 ...Repeated for Direct Input 31 C90C ...Repeated for Direct Input 32 Platform Direct Outputs (Read/Write Setting) (96 modules) CA10 Direct Output 1 Operand 0 to 65535 F300 B-54 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 523 Direct I/O Ch 2 Unreturned Messages Alarm Threshold 1 to 1000 F001 CAEB Direct I/O Channel 2 Unreturned Messages Alarm Events 0 to 1 F102 0 (Disabled) CAEC Reserved (4 items) F001 GE Multilin C70 Capacitor Bank Protection and Control System B-55...
  • Page 524 D090 ...Repeated for Remote Input 25 D09A ...Repeated for Remote Input 26 D0A4 ...Repeated for Remote Input 27 D0AE ...Repeated for Remote Input 28 D0B8 ...Repeated for Remote Input 29 B-56 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 525 D2C0 ...Repeated for Remote Output 9 D2C4 ...Repeated for Remote Output 10 D2C8 ...Repeated for Remote Output 11 D2CC ...Repeated for Remote Output 12 D2D0 ...Repeated for Remote Output 13 GE Multilin C70 Capacitor Bank Protection and Control System B-57...
  • Page 526 0 to 2 F001 D33F IEC 61850 GGIO2.CF.SPCSO32.ctlModel Value 0 to 2 F001 D340 IEC 61850 GGIO2.CF.SPCSO33.ctlModel Value 0 to 2 F001 D341 IEC 61850 GGIO2.CF.SPCSO34.ctlModel Value 0 to 2 F001 B-58 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 527 D3C8 ...Repeated for Remote Device 19 D3CC ...Repeated for Remote Device 20 D3D0 ...Repeated for Remote Device 21 D3D4 ...Repeated for Remote Device 22 D3D8 ...Repeated for Remote Device 23 GE Multilin C70 Capacitor Bank Protection and Control System B-59...
  • Page 528 FlexLogic™ displays active 0 to 1 F102 1 (Enabled) ED01 Reserved (6 items) ED07 Last settings change date 0 to 4294967295 F050 ED09 Template bitmask (750 items) 0 to 65535 F001 B-60 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 529: Data Formats

    0 = Time-Out, 1 = Acknowledge Positive values indicate lagging power factor; negative values indicate leading. F084 ENUMERATION: SELECTOR POWER UP 0 = Restore, 1 = Synchronize, 2 = Sync/Restore GE Multilin C70 Capacitor Bank Protection and Control System B-61...
  • Page 530 0 = Trip, 1 = Alarm, 2 = None ENUMERATION: DISABLED/ENABLED 0 = Disabled; 1 = Enabled F111 ENUMERATION: UNDERVOLTAGE CURVE SHAPES 0 = Definite Time, 1 = Inverse Time B-62 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 531 0 = 1 A, 1 = 5 A F124 ENUMERATION: LIST OF ELEMENTS bitmask element Phase Instantaneous Overcurrent 1 Phase Instantaneous Overcurrent 2 Phase Instantaneous Overcurrent 3 Phase Instantaneous Overcurrent 4 Phase Instantaneous Overcurrent 5 GE Multilin C70 Capacitor Bank Protection and Control System B-63...
  • Page 532 Ground Time Overcurrent 5 FlexElement™ 7 Ground Time Overcurrent 6 FlexElement™ 8 Negative Sequence Instantaneous Overcurrent 1 FlexElement™ 9 Negative Sequence Instantaneous Overcurrent 2 FlexElement™ 10 Negative Sequence Time Overcurrent 1 FlexElement™ 11 B-64 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 533 Voltage differential 3 phase B Digital Element 21 Voltage differential 3 phase C Digital Element 22 Capacitor control 1 Digital Element 23 Capacitor control 2 Digital Element 24 Capacitor control 3 GE Multilin C70 Capacitor Bank Protection and Control System B-65...
  • Page 534 Disconnect switch 21 RTD Input 33 Disconnect switch 22 RTD Input 34 Disconnect switch 23 RTD Input 35 Disconnect switch 24 RTD Input 36 Breaker 1 RTD Input 37 Breaker 2 B-66 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 535 0 = Fail, 1 = OK, 2 = n/a Temperature Monitor Process Bus Trouble Brick Trouble F135 ENUMERATION: GAIN CALIBRATION Field RTD Trouble Field TDR Trouble 0 = 0x1, 1 = 1x16 GE Multilin C70 Capacitor Bank Protection and Control System B-67...
  • Page 536 Ethernet Port 6 Offline Test Mode Isolated Test Mode Forcible Test Mode Disabled Temperature Warning On Temperature Warning Off Unauthorized Access System Integrity Recovery System Integrity Recovery 06 System Integrity Recovery 07 B-68 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 537 0 = 52a, 1 = 52b, 2 = None F166 ENUMERATION: AUXILIARY VT CONNECTION TYPE 0 = Vn, 1 = Vag, 2 = Vbg, 3 = Vcg, 4 = Vab, 5 = Vbc, 6 = Vca GE Multilin C70 Capacitor Bank Protection and Control System B-69...
  • Page 538 0 = A, 1 = B, 2 = C, 3 = G F175 ENUMERATION: PHASE LETTERS 0 = A, 1 = B, 2 = C F186 ENUMERATION: MEASUREMENT MODE 0 = Phase to Ground, 1 = Phase to Phase B-70 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 539 0 = Disabled, 1 = Enabled, 2 = Custom ENUMERATION: TEST ENUMERATION 0 = Test Enumeration 0, 1 = Test Enumeration 1 F200 TEXT40: 40-CHARACTER ASCII TEXT 20 registers, 16 Bits: 1st Char MSB, 2nd Char. LSB GE Multilin C70 Capacitor Bank Protection and Control System B-71...
  • Page 540 MMXU1.MX.PPV.phsAB.cVal.ang.f MMXU2.MX.A.phsC.cVal.ang.f MMXU1.MX.PPV.phsBC.cVal.mag.f MMXU2.MX.A.neut.cVal.mag.f MMXU1.MX.PPV.phsBC.cVal.ang.f MMXU2.MX.A.neut.cVal.ang.f MMXU1.MX.PPV.phsCA.cVal.mag.f MMXU2.MX.W.phsA.cVal.mag.f MMXU1.MX.PPV.phsCA.cVal.ang.f MMXU2.MX.W.phsB.cVal.mag.f MMXU1.MX.PhV.phsA.cVal.mag.f MMXU2.MX.W.phsC.cVal.mag.f MMXU1.MX.PhV.phsA.cVal.ang.f MMXU2.MX.VAr.phsA.cVal.mag.f MMXU1.MX.PhV.phsB.cVal.mag.f MMXU2.MX.VAr.phsB.cVal.mag.f MMXU1.MX.PhV.phsB.cVal.ang.f MMXU2.MX.VAr.phsC.cVal.mag.f MMXU1.MX.PhV.phsC.cVal.mag.f MMXU2.MX.VA.phsA.cVal.mag.f MMXU1.MX.PhV.phsC.cVal.ang.f MMXU2.MX.VA.phsB.cVal.mag.f MMXU1.MX.A.phsA.cVal.mag.f MMXU2.MX.VA.phsC.cVal.mag.f MMXU1.MX.A.phsA.cVal.ang.f MMXU2.MX.PF.phsA.cVal.mag.f MMXU1.MX.A.phsB.cVal.mag.f MMXU2.MX.PF.phsB.cVal.mag.f MMXU1.MX.A.phsB.cVal.ang.f MMXU2.MX.PF.phsC.cVal.mag.f B-72 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 541 MMXU4.MX.TotVAr.mag.f MMXU5.MX.A.phsA.cVal.mag.f MMXU4.MX.TotVA.mag.f MMXU5.MX.A.phsA.cVal.ang.f MMXU4.MX.TotPF.mag.f MMXU5.MX.A.phsB.cVal.mag.f MMXU4.MX.Hz.mag.f MMXU5.MX.A.phsB.cVal.ang.f MMXU4.MX.PPV.phsAB.cVal.mag.f MMXU5.MX.A.phsC.cVal.mag.f MMXU4.MX.PPV.phsAB.cVal.ang.f MMXU5.MX.A.phsC.cVal.ang.f MMXU4.MX.PPV.phsBC.cVal.mag.f MMXU5.MX.A.neut.cVal.mag.f MMXU4.MX.PPV.phsBC.cVal.ang.f MMXU5.MX.A.neut.cVal.ang.f MMXU4.MX.PPV.phsCA.cVal.mag.f MMXU5.MX.W.phsA.cVal.mag.f MMXU4.MX.PPV.phsCA.cVal.ang.f MMXU5.MX.W.phsB.cVal.mag.f MMXU4.MX.PhV.phsA.cVal.mag.f MMXU5.MX.W.phsC.cVal.mag.f MMXU4.MX.PhV.phsA.cVal.ang.f MMXU5.MX.VAr.phsA.cVal.mag.f MMXU4.MX.PhV.phsB.cVal.mag.f MMXU5.MX.VAr.phsB.cVal.mag.f MMXU4.MX.PhV.phsB.cVal.ang.f MMXU5.MX.VAr.phsC.cVal.mag.f MMXU4.MX.PhV.phsC.cVal.mag.f MMXU5.MX.VA.phsA.cVal.mag.f GE Multilin C70 Capacitor Bank Protection and Control System B-73...
  • Page 542 MMXU6.MX.VA.phsC.cVal.mag.f GGIO5.ST.UIntIn9.stVal MMXU6.MX.PF.phsA.cVal.mag.f GGIO5.ST.UIntIn10.q MMXU6.MX.PF.phsB.cVal.mag.f GGIO5.ST.UIntIn10.stVal MMXU6.MX.PF.phsC.cVal.mag.f GGIO5.ST.UIntIn11.q GGIO4.MX.AnIn1.mag.f GGIO5.ST.UIntIn11.stVal GGIO4.MX.AnIn2.mag.f GGIO5.ST.UIntIn12.q GGIO4.MX.AnIn3.mag.f GGIO5.ST.UIntIn12.stVal GGIO4.MX.AnIn4.mag.f GGIO5.ST.UIntIn13.q GGIO4.MX.AnIn5.mag.f GGIO5.ST.UIntIn13.stVal GGIO4.MX.AnIn6.mag.f GGIO5.ST.UIntIn14.q GGIO4.MX.AnIn7.mag.f GGIO5.ST.UIntIn14.stVal GGIO4.MX.AnIn8.mag.f GGIO5.ST.UIntIn15.q GGIO4.MX.AnIn9.mag.f GGIO5.ST.UIntIn15.stVal GGIO4.MX.AnIn10.mag.f GGIO5.ST.UIntIn16.q GGIO4.MX.AnIn11.mag.f GGIO5.ST.UIntIn16.stVal B-74 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 543 June GGIO3.MX.AnIn28.mag.f July GGIO3.MX.AnIn29.mag.f August GGIO3.MX.AnIn30.mag.f September GGIO3.MX.AnIn31.mag.f October GGIO3.MX.AnIn32.mag.f November GGIO3.ST.IndPos1.stVal December GGIO3.ST.IndPos2.stVal GGIO3.ST.IndPos3.stVal F238 GGIO3.ST.IndPos4.stVal ENUMERATION: REAL TIME CLOCK DAY GGIO3.ST.IndPos5.stVal GGIO3.ST.UIntIn1.q value GGIO3.ST.UIntIn1.stVal Sunday GGIO3.ST.UIntIn2.q Monday GGIO3.ST.UIntIn2.stVal GE Multilin C70 Capacitor Bank Protection and Control System B-75...
  • Page 544 D represents bits for the descriptor. 64 (if required). The number of registers required is determined by the specific data item. A bit value of 0 = Off and 1 = On. B-76 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 545 BITFIELD: 3-PHASE SIMPLE ELEMENT STATE F523 ENUMERATION: DNP OBJECTS 20, 22, AND 23 DEFAULT 0 = Operate, 1 = Operate A, 2 = Operate B, 3 = Operate C VARIATION bitmask default variation GE Multilin C70 Capacitor Bank Protection and Control System B-77...
  • Page 546 0 = Vab, 1 = Vbc, 2 = Vca, 3 = Vavg, 4 = V1, 5 = Vaux This 16-bit value corresponds to the Modbus address of the selected FlexInteger paramter. Only certain values may be used as FlexIntegers. B-78 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 547 APPENDIX B B.4 MEMORY MAPPING GE Multilin C70 Capacitor Bank Protection and Control System B-79...
  • Page 548 B.4 MEMORY MAPPING APPENDIX B B-80 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 549: Iec 61850

    System Specification Description (SSD) file. The entire substation con- figuration is stored in a Substation Configuration Description (SCD) file. The SCD file is the combination of the individ- ual ICD files and the SSD file. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 550: Server Data Organization

    GGIO4 analog inputs. Clients can utilize polling or the IEC 61850 unbuffered reporting feature available from GGIO4 in order to obtain the analog values provided by GGIO4. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 551: Mmxu: Analog Measured Values

    The following list describes the protection elements for all UR-series relays. The C70 relay will contain a subset of protec- tion elements from this list. • PDIF: bus differential, transformer instantaneous differential, transformer percent differential GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 552 IEC 61850 control model. • XCBR1.CO.BlkCls: This is where IEC 61850 clients can issue block close commands to the breaker. Direct control with normal security is the only supported IEC 61850 control model. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 553: Server Features And Configuration

    C70. This attribute is programmed through the setting and its LOCATION default value is “Location”. This value should be changed to describe the actual physical location of the C70. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 554: Logical Node Name Prefixes

    The exact structure and values of the supported IEC 61850 logical nodes can be seen by connecting to a C70 relay with an MMS browser, such as the “MMS Object Explorer and AXS4-MMS” DDE/OPC server from Sisco Inc. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 555: Generic Substation Event Services: Gsse And Goose

    The configurable GOOSE feature allows for the configuration of the datasets to be transmitted or received from the C70. The C70 supports the configuration of eight (8) transmission and reception datasets, allowing for the optimization of data transfer between devices. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 556 Configure the GOOSE service settings by making the following changes in the PRODUCT SETUP COMMUNICATION IEC 61850 PROTOCOL GSSE/GOOSE CONFIGURATION TRANSMISSION CONFIGURABLE GOOSE CONFIGU- settings menu: RABLE GOOSE 1 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 557: Ethernet Mac Address For Gsse/goose

    ‘source’ address of the frame. Each Ethernet frame also contains a destination address. The destination address can be different for each Ethernet frame depending on the intended destination of the frame. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 558: Gsse Id And Goose Id Settings

    DatSet - the name of the associated dataset, and GoCBRef - the reference (name) of the associated GOOSE control block. These strings are automatically populated and interpreted by the C70; no settings are required. C-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 559: Iec 61850 Implementation Via Enervista Ur Setup

    An ICD file is generated for the C70 by the EnerVista UR Setup software that describe the capabilities of the IED. The ICD file is then imported into a system configurator along with other ICD files for other IEDs (from GE or other ven- dors) for system configuration.
  • Page 560: Configuring Iec 61850 Settings

    It can also import a system SCL file (SCD) to set communication configuration parame- ters (that is, required addresses, reception GOOSE datasets, IDs of incoming GOOSE datasets, etc.) for the IED. The IED configurator functionality is implemented in the GE Multilin EnerVista UR Setup software. C.5.2 CONFIGURING IEC 61850 SETTINGS Before creating an ICD file, the user can customize the IEC 61850 related settings for the IED.
  • Page 561: About Icd Files

    Although configurable transmission GOOSE can also be created and altered by some third-party system con- figurators, we recommend configuring transmission GOOSE for GE Multilin IEDs before creating the ICD, and strictly within EnerVista UR Setup software or the front panel display (access through the Settings > Product Setup > Com- munications >...
  • Page 562 Furthermore, it defines the capabilities of an IED in terms of communication services offered and, together with its LNType, instantiated data (DO) and its default or configuration values. There should be only one IED section in an ICD since it only describes one IED. C-14 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 563 Other ReportControl elements DOI (name) SDI (name) DAI (name) Text Other DOI elements SDI (name) DAI (name) Text Other LN elements Other LDevice elements 842797A1.CDR Figure 0–4: ICD FILE STRUCTURE, IED NODE GE Multilin C70 Capacitor Bank Protection and Control System C-15...
  • Page 564 Other BDA elements Other BDA elements Other DAType elements Other DAType elements EnumType (id) Text EnumVal (ord) Other EnumVal elements Other EnumType elements 842798A1.CDR Figure 0–5: ICD FILE STRUCTURE, DATATYPETEMPLATES NODE C-16 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 565: Creating An Icd File With Enervista Ur Setup

    C.5.5 ABOUT SCD FILES System configuration is performed in the system configurator. While many vendors (including GE Multilin) are working their own system configuration tools, there are some system configurators available in the market (for example, Siemens DIGSI version 4.6 or above and ASE Visual SCL Beta 0.12).
  • Page 566 Like ICD files, the Header node identifies the SCD file and its version, and specifies options for the mapping of names to signals. The Substation node describes the substation parameters: Substation PowerSystemResource EquipmentContainer Power Transformer GeneralEquipment EquipmentContainer VoltageLevel Voltage PowerSystemResource Function SubFunction GeneralEquipment 842792A1.CDR Figure 0–7: SCD FILE STRUCTURE, SUBSTATION NODE C-18 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 567 IdInst is the instance identification of the logical device within the IED on which the control block is located, and cbName is the name of the control block. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 568: Importing An Scd File With Enervista Ur Setup

    The following procedure describes how to update the C70 with the new configuration from an SCD file with the EnerVista UR Setup software. Right-click anywhere in the files panel and select the Import Contents From SCD File item. Select the saved SCD file and click Open. C-20 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 569 The software will open the SCD file and then prompt the user to save a UR-series settings file. Select a location and name for the URS (UR-series relay settings) file. If there is more than one GE Multilin IED defined in the SCD file, the software prompt the user to save a UR-series set- tings file for each IED.
  • Page 570: Acsi Conformance

    Buffered report control M7-1 sequence-number M7-2 report-time-stamp M7-3 reason-for-inclusion M7-4 data-set-name M7-5 data-reference M7-6 buffer-overflow M7-7 entryID M7-8 BufTm M7-9 IntgPd M7-10 Unbuffered report control M8-1 sequence-number M8-2 report-time-stamp M8-3 reason-for-inclusion C-22 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 571: Acsi Services Conformance Statement

    PUBLISHER SERVER (CLAUSE 6) ServerDirectory APPLICATION ASSOCIATION (CLAUSE 7) Associate Abort Release LOGICAL DEVICE (CLAUSE 8) LogicalDeviceDirectory LOGICAL NODE (CLAUSE 9) LogicalNodeDirectory GetAllDataValues DATA (CLAUSE 10) GetDataValues SetDataValues GetDataDirectory GetDataDefinition GE Multilin C70 Capacitor Bank Protection and Control System C-23...
  • Page 572 (dupd) GetURCBValues SetURCBValues LOGGING (CLAUSE 14) LOG CONTROL BLOCK GetLCBValues SetLCBValues QueryLogByTime QueryLogByEntry GetLogStatusValues GENERIC SUBSTATION EVENT MODEL (GSE) (CLAUSE 14.3.5.3.4) GOOSE-CONTROL-BLOCK SendGOOSEMessage GetReference GetGOOSEElementNumber GetGoCBValues SetGoCBValues GSSE-CONTROL-BLOCK SendGSSEMessage GetReference C-24 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 573 (SendGOOSEMessage or SendGSSEMessage) c9: shall declare support if TP association is available c10: shall declare support for at least one (SendMSVMessage or SendUSVMessage) GE Multilin C70 Capacitor Bank Protection and Control System C-25...
  • Page 574: Logical Nodes

    RDRE: Disturbance recorder function RADR: Disturbance recorder channel analogue RBDR: Disturbance recorder channel binary RDRS: Disturbance record handling RBRF: Breaker failure RDIR: Directional element RFLO: Fault locator RPSB: Power swing detection/blocking RREC: Autoreclosing C-26 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 575 T: LOGICAL NODES FOR INSTRUMENT TRANSFORMERS TCTR: Current transformer TVTR: Voltage transformer Y: LOGICAL NODES FOR POWER TRANSFORMERS YEFN: Earth fault neutralizer (Peterson coil) YLTC: Tap changer YPSH: Power shunt YPTR: Power transformer GE Multilin C70 Capacitor Bank Protection and Control System C-27...
  • Page 576 ZGEN: Generator ZGIL: Gas insulated line ZLIN: Power overhead line ZMOT: Motor ZREA: Reactor ZRRC: Rotating reactive component ZSAR: Surge arrestor ZTCF: Thyristor controlled frequency converter ZTRC: Thyristor controlled reactive component C-28 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 577: Interoperability Document

    Address Field of the Link: Balanced Transmision Not Present (Balanced Transmission Only) Unbalanced Transmission One Octet Two Octets Structured Unstructured Frame Length (maximum length, number of octets): Not selectable in companion IEC 60870-5-104 standard GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 578 <18> := Packed start events of protection equipment with time tag M_EP_TB_1 <19> := Packed output circuit information of protection equipment with time tag M_EP_TC_1 <20> := Packed single-point information with status change detection M_SP_NA_1 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 579 <103> := Clock synchronization command (see Clause 7.6 in standard) C_CS_NA_1 <104> := Test command C_TS_NA_1 <105> := Reset process command C_RP_NA_1 <106> := Delay acquisition command C_CD_NA_1 <107> := Test command with time tag CP56Time2a C_TS_TA_1 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 580 •‘X’ if only used in the standard direction TYPE IDENTIFICATION CAUSE OF TRANSMISSION MNEMONIC <1> M_SP_NA_1 <2> M_SP_TA_1 <3> M_DP_NA_1 <4> M_DP_TA_1 <5> M_ST_NA_1 <6> M_ST_TA_1 <7> M_BO_NA_1 <8> M_BO_TA_1 <9> M_ME_NA_1 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 581 M_ME_TE_1 <36> M_ME_TF_1 <37> M_IT_TB_1 <38> M_EP_TD_1 <39> M_EP_TE_1 <40> M_EP_TF_1 <45> C_SC_NA_1 <46> C_DC_NA_1 <47> C_RC_NA_1 <48> C_SE_NA_1 <49> C_SE_NB_1 <50> C_SE_NC_1 <51> C_BO_NA_1 <58> C_SC_TA_1 <59> C_DC_TA_1 <60> C_RC_TA_1 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 582 <120> F_FR_NA_1 <121> F_SR_NA_1 <122> F_SC_NA_1 <123> F_LS_NA_1 <124> F_AF_NA_1 <125> F_SG_NA_1 <126> F_DR_TA_1*) BASIC APPLICATION FUNCTIONS Station Initialization: Remote initialization Cyclic Data Transmission: Cyclic data transmission Read Procedure: Read procedure C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 583 Mode B: Local freeze with counter interrogation Mode C: Freeze and transmit by counter-interrogation commands Mode D: Freeze by counter-interrogation command, frozen values reported simultaneously Counter read Counter freeze without reset GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 584 Maximum number of outstanding I-format APDUs k and latest acknowledge APDUs (w): PARAMETER DEFAULT REMARKS SELECTED VALUE VALUE 12 APDUs Maximum difference receive sequence number to send state variable 12 APDUs 8 APDUs 8 APDUs Latest acknowledge after receiving I-format APDUs C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 585: Point List

    D.1.2 POINT LIST The IEC 60870-5-104 data points are configured through the SETTINGS PRODUCT SETUP COMMUNICATIONS DNP / menu. Refer to the Communications section of Chapter 5 for additional details. IEC104 POINT LISTS GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 586 D.1 OVERVIEW APPENDIX D D-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 587: Device Profile Document

    Transmitted: configurable up to 2048 Received: Received: 2048 Maximum Data Link Re-tries: Maximum Application Layer Re-tries: None None Fixed at 3 Configurable Configurable Requires Data Link Layer Confirmation: Never Always Sometimes Configurable GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 588 FlexLogic™. The On/Off times and Count value are ignored. “Pulse Off” and “Latch Off” operations put the appropriate Virtual Input into the “Off” state. “Trip” and “Close” operations both put the appropriate Virtual Input into the “On” state. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 589 Configurable (attach explanation) Default Object: 16 Bits (Counter 8) Default Variation: 1 32 Bits (Counters 0 to 7, 9) Point-by-point list attached Other Value: _____ Point-by-point list attached Sends Multi-Fragment Responses: GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 590: E.1.2 Implementation Table

    17 or 28 are always responded.) Note 3: Cold restarts are implemented the same as warm restarts – the C70 is not restarted, but the DNP process is restarted. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 591 17 or 28 are always responded.) Note 3: Cold restarts are implemented the same as warm restarts – the C70 is not restarted, but the DNP process is restarted. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 592 17 or 28 are always responded.) Note 3: Cold restarts are implemented the same as warm restarts – the C70 is not restarted, but the DNP process is restarted. C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 593 17 or 28 are always responded.) Note 3: Cold restarts are implemented the same as warm restarts – the C70 is not restarted, but the DNP process is restarted. GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 594: Dnp Point Lists

    Change Event Variation reported when variation 0 requested: 2 (Binary Input Change with Time), Configurable Change Event Scan Rate: 8 times per power system cycle Change Event Buffer Size: 500 Default Class for All Points: 1 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 595: Binary And Control Relay Output

    Virtual Input 59 Virtual Input 28 Virtual Input 60 Virtual Input 29 Virtual Input 61 Virtual Input 30 Virtual Input 62 Virtual Input 31 Virtual Input 63 Virtual Input 32 Virtual Input 64 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 596: Counters

    A counter freeze command has no meaning for counters 8 and 9. C70 Digital Counter values are represented as 32-bit integers. The DNP 3.0 protocol defines counters to be unsigned integers. Care should be taken when interpreting negative counter values. E-10 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 597: Analog Inputs

    Change Event Variation reported when variation 0 requested: 1 (Analog Change Event without Time) Change Event Scan Rate: defaults to 500 ms Change Event Buffer Size: 256 Default Class for all Points: 2 GE Multilin C70 Capacitor Bank Protection and Control System E-11...
  • Page 598 E.2 DNP POINT LISTS APPENDIX E E-12 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 599: Change Notes

    Updated LED INDICATORS section 5-21 5-21 Update Updated IEC 61850 PROTOCOL section 5-74 5-74 Update Updated DISCONNECT SWITCHES section 5-194 5-194 Update Updated VT FUSE FAILURE section Update Updated CONFIGURABLE GOOSE section GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 600 Table F–5: MAJOR UPDATES FOR C70 MANUAL REVISION T1 (Sheet 1 of 2) PAGE PAGE CHANGE DESCRIPTION (S3) (T1) Title Title Update Manual part number to 1601-9015-T1 Update Updated ORDERING section 3-10 Added PROCESS BUS MODULES section C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 601 Updated PROTECTION ELEMENTS specifications section 2-10 2-10 Update Updated OUTPUTS specifications section 2-12 2-12 Update Updated COMMUNICATIONS specifications section 3-30 3-32 Update Updated IEEE C37.94 INTERFACE section 3-35 Added MANAGED ETHERNET SWITCH MODULES section GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 602 Updated PASSWORD SECURITY section 5-33 5-35 Update Updated USER-PROGRAMMABLE LEDS section 5-37 5-39 Update Updated CONTROL PUSHBUTTONS section 5-38 5-40 Update Updated USER-PROGRAMMABLE PUSHBUTTONS section 5-44 5-47 Update Updated DIRECT INPUTS AND OUTPUTS section C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 603 Updated TRACKING FREQUENCY section 6-18 Added IEC 61850 GOOSE ANALOG VALUES section Update Updated SELF-TEST ERROR MESSAGES table 9-14 9-14 Update Updated BANK UNBALANCE CALCULATIONS section Update Updated FLEXANALOG PARAMETERS table GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 604: Abbreviations

    AE ....Accidental Energization, Application Entity FWD....Forward AMP ....Ampere ANG ....Angle G ....Generator ANSI....American National Standards Institute GE....General Electric AR ....Automatic Reclosure GND....Ground ASDU ..... Application-layer Service Data Unit GNTR..... Generator ASYM ..... Asymmetry GOOSE..
  • Page 605 WRT....With Respect To RST ....Reset RSTR ..... Restrained RTD....Resistance Temperature Detector X .....Reactance RTU....Remote Terminal Unit XDUCER..Transducer RX (Rx) ..Receive, Receiver XFMR....Transformer s ..... second Z......Impedance, Zone S..... Sensitive GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 606: Warranty

    24 months from date of shipment from factory. In the event of a failure covered by warranty, GE Multilin will undertake to repair or replace the relay providing the warrantor determined that it is defective and it is returned with all transportation charges prepaid to an authorized service centre or the factory.
  • Page 607 ................ 1-16 Modbus registers ............B-23 RS232 ................3-22 settings ................. 5-70 RS485 ............3-22, 3-24, 5-15 BREAKER FAILURE settings ......5-16, 5-17, 5-22, 5-32, 5-33, 5-36 description ..............5-107 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 608 DNA-1 BIT PAIR ............. 5-204 Modbus registers ..........B-10, B-20 DNP COMMUNICATIONS settings ................. 5-40 binary counters ............. E-10 specifications ..............2-13 binary input points ............E-8 via COMTRADE .............. B-6 binary output points ............E-9 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 609 FACEPLATE ............... 3-1, 3-2 FREQUENCY TRACKING ........5-67, 6-18 FACEPLATE PANELS ..........4-13, 4-22 FREQUENCY, NOMINAL ..........5-66 FAST FORM-C RELAY ............. 2-15 FUNCTION SETTING ............5-4 FAST TRANSIENT TESTING ..........2-19 FUSE ................2-15 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 610 ..............2-14 IRIG-B ..............2-14, 3-26 remote inputs ......... 2-14, 5-202, 5-203, 5-204 G.703 .............3-30, 3-31, 3-32 RTD inputs ..............3-21 GE TYPE IAC CURVES ..........5-119 virtual ................5-198 GROUND CURRENT METERING ........6-13 INSPECTION CHECKLIST ..........1-1 GROUND IOC INSTALLATION FlexLogic™...
  • Page 611 ..............7-5 specifications ..............2-13 FlexLogic™ operands ............ 5-89 via COMTRADE .............. B-6 Modbus registers ......... B-15, B-17, B-39 via EnerVista software ............. 4-2 settings ............... 5-135 OSI NETWORK ADDRESS ..........5-16 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 612 Modbus registers ........ B-10, B-14, B-56, B-59 specifications ..............2-9 settings ................ 5-202 PHASE OVERVOLTAGE statistics ................. 6-5 FlexLogic™ operands ............ 5-90 REMOTE DPS INPUTS logic ................5-146 actual values ..............6-4 C70 Capacitor Bank Protection and Control System GE Multilin...
  • Page 613 Modbus registers ............B-60 specifications ..............2-12 password protection ..........4-5, 8-7 TIME OVERCURRENT removing ..............4-7, 8-9 see PHASE, NEUTRAL, and GROUND TOC entries viewing ..............4-6, 8-8 TIMERS ................5-99 GE Multilin C70 Capacitor Bank Protection and Control System...
  • Page 614 Modbus registers ............B-21 WEBSITE ................1-1 settings ................. 5-44 specifications ..............2-12 USER-PROGRAMMABLE PUSHBUTTONS FlexLogic™ operands ............ 5-93 Modbus registers ..........B-24, B-32 ZERO SEQUENCE CORE BALANCE .........3-12 settings ................. 5-47 viii C70 Capacitor Bank Protection and Control System GE Multilin...

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