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ABB REQ650 Commissioning Manual

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  • Page 1 ® Relion 650 series Breaker protection REQ650 ANSI Commissioning manual...
  • Page 3 Document ID: 1MRK 505 293-UUS Issued: October 2016 Revision: A Product version: 1.3 © Copyright 2013 ABB. All rights reserved...
  • Page 4 Copyright This document and parts thereof must not be reproduced or copied without written permission from ABB, and the contents thereof must not be imparted to a third party, nor used for any unauthorized purpose. The software and hardware described in this document is furnished under a license and may be used or disclosed only in accordance with the terms of such license.
  • Page 5 (EMC Directive 2004/108/EC) and concerning electrical equipment for use within specified voltage limits (Low-voltage directive 2006/95/EC). This conformity is the result of tests conducted by ABB in accordance with the product standard EN 60255-26 for the EMC directive, and with the product standards EN 60255-1 and EN 60255-27 for the low voltage directive.
  • Page 6 This document has been carefully checked by ABB but deviations cannot be completely ruled out. In case any errors are detected, the reader is kindly requested to notify the manufacturer.
  • Page 7 Safety information Dangerous voltages can occur on the connectors, even though the auxiliary voltage has been disconnected. Non-observance can result in death, personal injury or substantial property damage. Only a competent electrician is allowed to carry out the electrical installation. National and local electrical safety regulations must always be followed.

  • Page 9: Table Of Contents

    Table of contents Table of contents Section 1 Introduction................7 This manual....................7 Intended audience..................7 Product documentation................8 Product documentation set..............8 Document revision history..............9 Related documents................9 Symbols and conventions...............10 Symbols.....................10 Document conventions..............11 Section 2 Available functions.............. 13 Back-up protection functions..............13 Control and monitoring functions............
  • Page 10 Table of contents Verifying the station communication............35 Section 5 Testing IED operation............37 Preparing the IED to verify settings............37 Activating the test mode................. 39 Preparing the connection to the test equipment........39 Connecting the test equipment to the IED..........40 Releasing the function to be tested............
  • Page 11 Table of contents Sensitive directional residual overcurrent and power protection SDEPSDE (67N)................53 Measuring the operate and time limit for set values..... 53 Completing the test...............58 Thermal overload protection, one time constant, Fahrenheit/ Celsius LFPTTR/LCPTTR (26)............58 Testing the protection without external temperature compensation (NonComp)............58 Completing the test...............59 Breaker failure protection, phase segregated activation and...
  • Page 12 Table of contents Completing the test...............71 Directional underpower protection GUPPDUP (37)......71 Verifying the settings..............72 Completing the test...............73 Directional overpower protection GOPPDOP (32)......74 Verifying the settings..............74 Completing the test...............74 Testing voltage protection functions............75 Two step undervoltage protection UV2PTUV (27)......75 Verifying the setting..............
  • Page 13 Table of contents Measuring the operate value for the zero-sequence function ..88 Checking the operation of the dv/dt and di/dt based function ..89 Completing the test...............90 Testing control functions.................90 Synchrocheck, energizing check, and synchronizing SESRSYN (25)....................90 Testing the synchronizing function..........93 Testing the synchrocheck check..........
  • Page 14 Table of contents Completing the test..............115 Testing monitoring functions..............115 Event counter CNTGGIO..............115 Limit counter L4UFCNT..............115 Completing the test..............116 Testing metering functions..............116 Pulse counter PCGGIO..............116 Testing station communication............. 116 Establishing connection and verifying the IEC 61850 communication................116 Overview..................116 Setting the station communication..........117 Verifying the station communication...........118 Exit test mode..................

  • Page 15: Section 1 Introduction

    Section 1 1MRK 505 293-UUS A Introduction Section 1 Introduction This manual The commissioning manual contains instructions on how to commission the IED. The manual can also be used by system engineers and maintenance personnel for assistance during the testing phase. The manual provides procedures for the checking of external circuitry and energizing the IED, parameter setting and configuration as well as verifying settings by secondary injection.

  • Page 16: Product Documentation

    Section 1 1MRK 505 293-UUS A Introduction Product documentation 1.3.1 Product documentation set Engineering manual Installation manual Commissioning manual Operation manual Application manual Technical manual Communication protocol manual IEC07000220-3-en.vsd IEC07000220 V3 EN Figure 1: The intended use of manuals throughout the product lifecycle The engineering manual contains instructions on how to engineer the IEDs using the various tools available within the PCM600 software.

  • Page 17: Document Revision History

    Document revision history Document revision/date History -/March 2013 First release A/October 2016 Minor corrections made 1.3.3 Related documents Documents related to REQ650 Identity number Application manual 1MRK 505 291-UUS Technical manual 1MRK 505 292-UUS Commissioning manual 1MRK 505 293-UUS Product Guide...

  • Page 18: Symbols And Conventions

    Section 1 1MRK 505 293-UUS A Introduction 650 series manuals Identity number Communication protocol manual, DNP 3.0 1MRK 511 280-UUS Communication protocol manual, IEC 61850–8–1 1MRK 511 281-UUS Communication protocol manual, IEC 60870-5-103 1MRK 511 282-UUS Cyber Security deployment guidelines 1MRK 511 285-UUS Point list manual, DNP 3.0 1MRK 511 283-UUS...

  • Page 19: Document Conventions

    Section 1 1MRK 505 293-UUS A Introduction The tip icon indicates advice on, for example, how to design your project or how to use a certain function. Although warning hazards are related to personal injury, it is necessary to understand that under certain operational conditions, operation of damaged equipment may result in degraded process performance leading to personal injury or death.

  • Page 21: Section 2 Available Functions

    Section 2 1MRK 505 293-UUS A Available functions Section 2 Available functions Note that not all functions included in the tables below have commissioning information available. Back-up protection functions IEC 61850 or ANSI Function description Breaker Function name Current protection PHPIOC Instantaneous phase overcurrent protection, 3–phase 0–1...

  • Page 22: Control And Monitoring Functions

    Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or ANSI Function description Breaker Function name CCRPLD 52PD Pole discordance protection 0–1 BRCPTOC Broken conductor check 0–1 GUPPDUP Directional underpower protection 0–1 GOPPDOP Directional overpower protection 0–1 DNSPTOC Negative sequence based overcurrent function 0–1 Voltage protection UV2PTUV...
  • Page 23 Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or Function ANSI Function description Breaker name DPGGIO IEC 61850 generic communication I/O functions double point SPC8GGIO Single point generic control 8 signals AUTOBITS AutomationBits, command function for DNP3.0 I103CMD Function commands for IEC60870-5-103 I103IEDCMD IED commands for IEC60870-5-103...
  • Page 24 Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or Function ANSI Function description Breaker name Configurable logic blocks SRMEMORY Configurable logic blocks RSMEMORY Configurable logic blocks Configurable logic blocks Q/T 0–1 ANDQT Configurable logic blocks Q/T 0–120 ORQT Configurable logic blocks Q/T 0–120 INVERTERQT...
  • Page 25 Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or Function ANSI Function description Breaker name TM_P_P2 Function block for service values presentation of primary analog inputs 600TRM AM_P_P4 Function block for service values presentation of primary analog inputs 600AIM TM_S_P2 Function block for service values presentation of secondary analog inputs 600TRM...

  • Page 26: Station Communication

    Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or Function ANSI Function description Breaker name Metering PCGGIO Pulse counter ETPMMTR Function for energy calculation and demand handling Station communication IEC 61850 or Function ANSI Function description Breaker name Station communication IEC61850-8-1 IEC 61850 communication protocol...

  • Page 27: Basic Ied Functions

    Section 2 1MRK 505 293-UUS A Available functions IEC 61850 or Function ANSI Function description Breaker name DNPFREC DNP3.0 fault records for TCP/IP communication protocol OPTICAL103 IEC60870-5-103 Optical serial communication RS485103 IEC60870-5-103 serial communication for RS485 GOOSEINTLKRCV Horizontal communication via GOOSE for interlocking GOOSEBINRCV GOOSE binary receive...
  • Page 28 Section 2 1MRK 505 293-UUS A Available functions IEC 61850/Function Function description block name TIMESYNCHGEN Time synchronization SNTP Time synchronization DTSBEGIN, DTSEND, Time synchronization, daylight saving TIMEZONE IRIG-B Time synchronization SETGRPS Setting group handling ACTVGRP Parameter setting groups TESTMODE Test mode functionality CHNGLCK Change lock function PRIMVAL...

  • Page 29: Section 3 Starting Up

    Section 3 1MRK 505 293-UUS A Starting up Section 3 Starting up Factory and site acceptance testing Testing the proper IED operation is carried out at different occasions, for example: • Acceptance testing • Commissioning testing • Maintenance testing This manual describes the workflow and the steps to carry out the commissioning testing. Factory acceptance testing (FAT) is typically done to verify that the IED and its corresponding configuration meet the requirements of the utility or industry.

  • Page 30: Checking The Power Supply

    IED start-up sequence The following sequence is expected when the IED is energized. • The green Ready LED picks up flashing instantly and the ABB logo is shown on the LCD. • After approximately 30 seconds, "Starting" is shown on the LCD.

  • Page 31: Setting Up Communication Between Pcm600 And The Ied

    Section 3 1MRK 505 293-UUS A Starting up If the green Ready LED continues to flash after pickup, the IED has detected an internal error. Navigate via Main menu/Diagnostics/IED status/General to investigate the error description. Setting up communication between PCM600 and the The communication between the IED and PCM600 is independent of the communication protocol used within the substation or to the NCC.
  • Page 32 Section 3 1MRK 505 293-UUS A Starting up Setting up the PC or workstation for point-to-point access to IEDs front port A special cable is needed to connect two physical Ethernet interfaces together without a hub, router, bridge or switch in between. The Tx and Rx signal wires must be crossed in the cable to connect Tx with Rx on the other side and vice versa.
  • Page 33 Section 3 1MRK 505 293-UUS A Starting up IEC13000057-1-en.vsd IEC13000057 V1 EN Figure 3: Select: Search programs and files Type View network connections and click on the View network connections icon. Commissioning manual...
  • Page 34 Section 3 1MRK 505 293-UUS A Starting up IEC13000058-1-en.vsd IEC13000058 V1 EN Figure 4: Click View network connections Right-click and select Properties. IEC13000059-1-en.vsd IEC13000059 V1 EN Figure 5: Right-click Local Area Connection and select Properties Select the TCP/IPv4 protocol from the list of configured components using this connection and click Properties.
  • Page 35 Section 3 1MRK 505 293-UUS A Starting up IEC13000060-1-en.vsd IEC13000060 V1 EN Figure 6: Select the TCP/IPv4 protocol and open Properties Select Obtain an IP address automatically if the parameter DHCPServer is set to Enabled in the IED. Commissioning manual...
  • Page 36 Section 3 1MRK 505 293-UUS A Starting up IEC13000061-1-en.vsd IEC13000061 V1 EN Figure 7: Select: Obtain an IP address automatically Select Use the following IP address and define IP address and Subnet mask if the front port is used and if the IP address is not set to be obtained automatically by the IED, see Figure 8.

  • Page 37: Writing An Application Configuration To The Ied

    Section 3 1MRK 505 293-UUS A Starting up IEC13000062-1-en.vsd IEC13000062 V1 EN Figure 8: Select: Use the following IP address Close all open windows and start PCM600. Setting up the PC to access the IED via a network This task depends on the used LAN/WAN network. The PC and IED must belong to the same subnetwork for this set-up to work.

  • Page 38: Checking Ct Circuits

    Section 3 1MRK 505 293-UUS A Starting up After writing an application configuration to the IED, the IED makes an application restart or a complete IED restart, when necessary. The IED does not restart after reconfiguring IEC61850 (regardless of whether the protocol is enabled or disabled). Be sure to set the correct technical key in both the IED and PCM600 to prevent writing an application configuration to a wrong IED.

  • Page 39: Checking Vt Circuits

    Section 3 1MRK 505 293-UUS A Starting up Checking VT circuits Check that the wiring is in strict accordance with the supplied connection diagram. Correct possible errors before continuing to test the circuitry. Test the circuitry. • Polarity check • VT circuit voltage measurement (primary injection test) •...

  • Page 40: Checking Binary Input And Output Circuits

    Section 3 1MRK 505 293-UUS A Starting up Verify that the contact sockets have been crimped correctly and that they are fully inserted by tugging on the wires. Never do this with current circuits in service. Current circuit Verify that the contacts are of current circuit type. Verify that the short circuit jumpers are located in the correct slots.
  • Page 41 Section 3 1MRK 505 293-UUS A Starting up glass fiber cables. Check the allowed minimum bending radius from the optical cable manufacturer. Commissioning manual...

  • Page 43: Section 4 Establishing Connection And Verifying The Iec 61850 Station Communication

    Section 4 1MRK 505 293-UUS A Establishing connection and verifying the IEC 61850 station communication Section 4 Establishing connection and verifying the IEC 61850 station communication Setting the station communication To enable IEC 61850 station communication: • The IEC 61850-8-1 station communication functionality must be on in the local HMI.

  • Page 45: Section 5 Testing Ied Operation

    Section 5 1MRK 505 293-UUS A Testing IED operation Section 5 Testing IED operation Preparing the IED to verify settings If a test switch is included, start preparation by making the necessary connections to the test switch. This means connecting the test equipment according to a specific and designated IED terminal diagram.
  • Page 46 Section 5 1MRK 505 293-UUS A Testing IED operation first parameter setting group and the remaining is that there is no need for testing the connections. During testing, observe that the right testing method, that corresponds to the actual parameters set in the activated parameter setting group, is used. In the local HMI the sensitive directional earth fault protection SDEPSDE parameter group 4 is active indicated by the * next to #4 and the test of the SDEPSDE must be performed according to the instructions given for the setting OpModeSel and setting value...

  • Page 47: Activating The Test Mode

    The test switch and its associated test plug handles are a part of the COMBITEST or FT system of ABB, which provides secure and convenient testing of the IED. When using the COMBITEST, preparations for testing are automatically carried out in the proper sequence, that is, for example, blocking of tripping circuits, short circuiting of CT’s, opening of voltage circuits, making IED terminals available for secondary...

  • Page 48: Connecting The Test Equipment To The Ied

    Section 5 1MRK 505 293-UUS A Testing IED operation The RTXH test-plug handle leads may be connected to any type of test equipment or instrument. When a number of protection IEDs of the same type are tested, the test-plug handle only needs to be moved from the test switch of one protection IED to the test switch of the other, without altering the previous connections.

  • Page 49: Releasing The Function To Be Tested

    Section 5 1MRK 505 293-UUS A Testing IED operation TRIP IEC 61850 ANSI09000643-1-en.vsd ANSI09000643 V1 EN Figure 9: Connection example of the test equipment to the IED when test equipment is connected to the transformer input module Releasing the function to be tested Release or unblock the function to be tested.

  • Page 50: Verifying Analog Primary And Secondary Measurement

    Section 5 1MRK 505 293-UUS A Testing IED operation Any function is blocked if the corresponding setting in the local HMI under Main menu/Tests/Function test modes menu remains Enabled, that is, the parameter Blocked is set to Yes and the parameter TestMode under Main menu/Tests/IED test mode remains active.

  • Page 51: Testing The Protection Functionality

    Section 5 1MRK 505 293-UUS A Testing IED operation These checks shall be repeated for Analog primary values. Inject an unsymmetrical three-phase voltage and current, to verify that phases are correctly connected. If some setting deviates, check the analog input settings under Main menu/Configuration/Analog modules Measured values such as current and voltages as well as active, reactive and apparent power, power factor phase angles as well as positive and negative and zero sequence...

  • Page 53: Section 6 Testing Functionality

    Section 6 1MRK 505 293-UUS A Testing functionality Section 6 Testing functionality Testing disturbance report 6.1.1 Introduction The following sub-functions are included in the disturbance report function: • Disturbance recorder • Event list • Event recorder • Trip value recorder •...

  • Page 54: Testing Current Protection Functions

    Section 6 1MRK 505 293-UUS A Testing functionality Testing current protection functions 6.3.1 Instantaneous phase overcurrent protection 3-phase output PHPIOC (50) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for PHPIOC (50) are available on the local HMI under Main menu/Tests/Function status/Current/PHPIOC(50,I>>)/PHPIOC:1.

  • Page 55: Instantaneous Phase Overcurrent Protection Phase Segregated Output Sptpioc (50)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.3.2 Instantaneous phase overcurrent protection phase segregated output SPTPIOC (50) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for SPTPIOC (50) are available on the local HMI under Main menu/Tests/Function status/Current/SPTPIOC(50,I>>)/SPTPIOC:1.

  • Page 56: Verifying The Settings

    Section 6 1MRK 505 293-UUS A Testing functionality 6.3.3.1 Verifying the settings Connect the test set for current injection to the appropriate IED phases. If there is any configuration logic that is used to enable or block any of the four available overcurrent steps, make sure that the step under test is enabled (for example, end fault protection).

  • Page 57: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Verification of the non-directional phase overcurrent function is done as instructed above, without applying any polarizing voltage. 6.3.3.2 Completing the test Continue to test another function or end the testing by setting the parameter TestMode to Disabled under Main menu/Tests/IED test mode/TESTMODE:1.

  • Page 58: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality If the test has been performed by injection of current in phase A, repeat the test when injecting current into phases B and C with polarizing voltage connected to phases B respectively C (1 of 3 currents for operation). If the test has been performed by injection of current in phases AB, repeat the test when injecting current into phases BC and CA with appropriate phase angle of injected currents.

  • Page 59: Measuring The Operate Limit Of Set Values

    Section 6 1MRK 505 293-UUS A Testing functionality • Phase-to-ground fault Ensure that the maximum continuous current, supplied from the current source used for the test of the IED, does not exceed four times the rated current value of the IED. 6.3.5.1 Measuring the operate limit of set values Inject a phase current into the IED with an initial value below that of the setting.

  • Page 60: Four Step Non-Directional Residual Overcurrent Protection

    Section 6 1MRK 505 293-UUS A Testing functionality Connect the injection current and voltage to terminals A and neutral. Set the injected polarizing voltage slightly larger than the set minimum polarizing voltage (default 1% of Vn) and set the injection current to lag the voltage by an angle equal to the set reference characteristic angle (AngleRCA), if the forward directional function is selected.

  • Page 61: Sensitive Directional Residual Overcurrent And Power Protection Sdepsde (67N)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.3.7 Sensitive directional residual overcurrent and power protection SDEPSDE (67N) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for SDEPSDE (67N) are available on the local HMI under Main menu/Tests/Function status/Current/SDEPSDE(67N,IN<->)/SDEPSDE:1.
  • Page 62 Section 6 1MRK 505 293-UUS A Testing functionality Operate area RCA = 0° ANSI06000650-2- en06000650_ansi.vsd ANSI06000650 V2 EN Figure 10: Characteristic with ROADir restriction Commissioning manual...
  • Page 63 Section 6 1MRK 505 293-UUS A Testing functionality Operate area RCA = 0° Instrument transformer RCAcomp angle error Characteristic after angle compensation (to prot) (prim) en06000651_ansi.vsd ANSI06000651 V1 EN Figure 11: Explanation of RCAcomp Operation mode 3I · 3V · cosφ Set the polarizing voltage to 1.2 ·...
  • Page 64 Section 6 1MRK 505 293-UUS A Testing functionality Measure the operate time of the timer by injecting 1.2 · VNRelPU and a current to get two times the set SN_PU operate value. × × × Tinv kSN Sref test test (Equation 2) ANSIEQUATION2403 V1 EN Compare the result with the expected value.
  • Page 65 Section 6 1MRK 505 293-UUS A Testing functionality RCA = 0º ROA = 80º Operate area =-3V ANSI06000652-2-en.vsd ANSI06000652 V2 EN Figure 12: Example characteristic Non-directional ground fault current protection Procedure Measure that the operate current is equal to the INNonDirPU setting. The function activates the BFI_3P and STDIRIN output.

  • Page 66: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Inject a voltage 0.8 · VNRelPU and a current high enough to operate the directional function at the chosen angle. Increase the voltage until the directional function is released. Compare the measured value with the set VNRelPU operate value. 6.3.7.2 Completing the test Continue to test another function or end the testing by setting the parameter TestMode to...

  • Page 67: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Monitor the signal ALARM until it appears on the corresponding binary output or on the local HMI. Compare the measured temperature with the setting. Measure the LFPTTR/LCPTTR (26)protection trip time. Use the TRIP signal from the configured binary output to stop the timer. Take the TEMP readings.

  • Page 68: Checking The Phase Current Operate Value, Pickup_Ph

    Section 6 1MRK 505 293-UUS A Testing functionality To verify the settings in the most common back-up trip mode 1 out of 3, it is sufficient to test phase-to-ground faults. At mode 2 out of 4 the phase current setting, Pickup_PH can be checked by single-phase injection where the return current is connected to the summated current input.

  • Page 69: Verifying The Re-Trip Mode

    Section 6 1MRK 505 293-UUS A Testing functionality Choose the applicable function and trip mode, such as FunctionMode = Current and setting RetripMode = No CBPos. Check as set under Main menu/Settings/IED Settings/ Current/CCRBRF(50BF)/CCRBRF:1. Apply the fault condition, including initiation of CCRBRF (50BF), well above the set current value.

  • Page 70: Verifying The Back-Up Trip Mode

    Section 6 1MRK 505 293-UUS A Testing functionality Apply the fault condition, including initiation of CCRBRF (50BF), with current below set current value. Verify that re-trip is achieved after set time t1, but no back-up trip is obtained. Disconnect AC and INITIATE input signals. 6.3.9.5 Verifying the back-up trip mode In the cases below it is assumed that FunctionMode = Current is selected.

  • Page 71: Verifying The Case Retripmode = Contact

    Section 6 1MRK 505 293-UUS A Testing functionality Set BuTripMode = 2 out of 4. Apply the fault condition, including initiation of CCRBRF (50BF), with one-phase current above set Pickup_PH and residual (ground fault) above set Pickup_N. Verify that back-up trip is achieved after set time. If selected, re-trip should also appear.

  • Page 72: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Pickup_BlkCont Checking the case with fault current below set value The case shall simulate a case where the fault current is very low and operation will depend on CB position signal from CB auxiliary contact. It is suggested that re-trip without current check is used, setting RetripMode = No CBPos Check.

  • Page 73: Checking The Phase Current Operate Value, Pickup_Ph

    Section 6 1MRK 505 293-UUS A Testing functionality To verify the settings in the most common back-up trip mode 1 out of 3 it is sufficient to test phase-to-ground-faults. At mode 2 out of 4 the Phase current setting, Pickup_PH can be checked by single phase injection where the return current is connected to the summed current input.

  • Page 74: Verifying The Retripmode

    Section 6 1MRK 505 293-UUS A Testing functionality Apply the fault condition, including initiation of CSPRBRF (50BF), well above the set current value. Measure time from initiation of CSPRBRF (50BF). Check the re-trip t1 and back-up trip times t2. Disconnect AC and initiate input signals. RetripMode 6.3.10.4 Verifying the...

  • Page 75: Verifying The Case Retripmode = No Cb Pos Check

    Section 6 1MRK 505 293-UUS A Testing functionality RetripMode = No CB Pos Check 6.3.10.5 Verifying the case It is assumed that re-trip without current check is selected, RetripMode = No CB Pos Check. Set FunctionMode = Contact. Apply input signal for CB closed to input CBCLD. Apply input signal, for initiation of CSPRBRF (50BF).

  • Page 76: Blkcont

    Section 6 1MRK 505 293-UUS A Testing functionality Apply the fault and the initiate again. The value of current should be below the set value Pickup_BlkCont. Arrange disconnection of BC closed signal(s) well before set back-up trip time t2. It simulates a correct CB tripping.

  • Page 77: Measuring The Operate Limit Of Set Values

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals for STBPTOC (50STB) are available on the local HMI under Main menu/Tests/Function status/Current/STBPTOC(50STB,I>)/STBPTOC:1. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI.

  • Page 78: Pole Discrepancy Protection Ccrpld (52Pd)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.3.12 Pole discrepancy protection CCRPLD (52PD) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for CCRPLD (52PD) are available on the local HMI under Main menu/Tests/Function status/Current/CCRPLD(52PD)/CCRPLD:X.

  • Page 79: Measuring The Operate And Time Limit Of Set Values

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals for BRCPTOC (46) are available on the local HMI under Main menu/Tests/Function status/Current/BRCPTOC(46,lub)/BRCPTOC:X. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI. 6.3.13.1 Measuring the operate and time limit of set values Check that the input logical signal BLOCK to the BRCPTOC (46) function block is...

  • Page 80: Verifying The Settings

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals for GUPPDUP (37) are available on the local HMI under Main menu/Tests/Function status/Current/GUPPDUP(37,P<)/GUPPDUP:1. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI. 6.3.14.1 Verifying the settings The underpower protection shall be set to values according to the real set values to be used.

  • Page 81: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Mode Set value: Formula used for complex power calculation × (Equation 9) EQUATION2060-ANSI V1 EN = × × (Equation 10) EQUATION2061-ANSI V1 EN = × × (Equation 11) EQUATION2062-ANSI V1 EN = × ×...

  • Page 82: Directional Overpower Protection Goppdop (32)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.3.15 Directional overpower protection GOPPDOP (32) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for GOPPDOP (32) are available on the local HMI under Main menu/Tests/Function status/Current/GOPPDOP(32,P>)/GOPPDOP:X.

  • Page 83: Testing Voltage Protection Functions

    Section 6 1MRK 505 293-UUS A Testing functionality tested, then set the parameter Blocked to No under Main menu/Tests/Function test modes/Current/GOPPDOP(32,P>)/GOPPDOP:X for the function, or for each individual function in a chain, to be tested next. Remember to set the parameter Blocked to Yes, for each individual function that has been tested.

  • Page 84: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Instantaneously decrease the voltage in one phase to a value about 20% lower than the measured operate value. Measure the time delay for the TRIP signal, and compare it with the set value. Check the inverse time delay by injecting a voltage corresponding to 0.8 ×...

  • Page 85: Two Step Overvoltage Protection Ov2Ptov (59)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.4.2 Two step overvoltage protection OV2PTOV (59) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for OV2PTOV (59) are available on the local HMI under Main menu/Tests/Function status/Voltage/OV2PTOV(59,2U>)/OV2PTOV:1.

  • Page 86: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality where: t(s) Operate time in seconds Settable time multiplier of the function for step 1 Measured voltage Vpickup> Set pickup voltage for step 1 For example, if the measured voltage jumps from 0 to 1.2 times the set start voltage level and time multiplier TD1 is set to 0.05 s (default value), then the TRST1 and TRIP signals operate at a time equal to 0.250 s ±...

  • Page 87: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Set and apply about 20% higher voltage than the measured operate value for one phase. Measure the time delay for the TRST1 signal and compare it with the set value. Check the inverse time delay by injecting a voltage corresponding to 1.2 × Vpickup>.

  • Page 88: Measuring The Operate Limit Of Set Values

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals for LOVPTUV (27) are available on the local HMI under Main menu/Tests/Function status/Voltage/LOVPTUV(27,U<)/LOVPTUV:1. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI. 6.4.4.1 Measuring the operate limit of set values Check that the input logical signals BLOCK, CBOPEN and BLKU are logical zero.

  • Page 89: Testing Frequency Protection Functions

    Section 6 1MRK 505 293-UUS A Testing functionality Testing frequency protection functions 6.5.1 Underfrequency protection SAPTUF (81) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for SAPTUF (81) are available on the local HMI under Main menu/Tests/Function status/Frequency/SAPTUF(81,f<)/SAPTUF:X.

  • Page 90: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Check that the IED settings are appropriate, for example the pickup value and the time delay. Supply the IED with three-phase voltages at their rated values and frequency 20 mHz under the set value StartFrequency, applying it for a time that is at least 10% longer than (tDelay+100 ms).

  • Page 91: Overfrequency Protection Saptof (81)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.5.2 Overfrequency protection SAPTOF (81) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for SAPTOF (81) are available on the local HMI under Main menu/Tests/Function status/Frequency/SAPTOF(81,f>)/SAPTOF:X.

  • Page 92: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Check that the IED settings are appropriate, for example the pickup value and the time delay. Supply the IED with three-phase voltages at their rated values and frequency 20 mHz over the set value StartFrequency, applying it for a time that is at least 10% longer than (tDelay+100 ms).

  • Page 93: Rate-Of-Change Frequency Protection Sapfrc (81)

    Section 6 1MRK 505 293-UUS A Testing functionality 6.5.3 Rate-of-change frequency protection SAPFRC (81) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for SAPFRC (81) are available on the local HMI under Main menu/Tests/Function status/Frequency/SAPFRC(81,df/dt)/SAPFRC:X.

  • Page 94: Testing Secondary System Supervision Functions

    Section 6 1MRK 505 293-UUS A Testing functionality Testing secondary system supervision functions 6.6.1 Current circuit supervision CCSRDIF (87) Prepare the IED for verification of settings as outlined in 5.1 "Preparing the IED to verify settings". Values of the logical signals for CCSRDIF (87) are available on the local HMI under Main menu/Tests/Function status/Secondary system supervision/ CCSRDIF(87,INd)/CCSRDIF:X.

  • Page 95: Checking That The Binary Inputs And Outputs Operate As Expected

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals for SDDRFUF are available on the local HMI under Main menu/Tests/Function status/Secondary system supervision/SDDRFUF/SDDRFUF: 1. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI.

  • Page 96: Measuring The Operate Value For The Negative Sequence Function

    Section 6 1MRK 505 293-UUS A Testing functionality 6.6.2.2 Measuring the operate value for the negative sequence function Simulate normal operating conditions with the three-phase currents in phase with their corresponding phase voltages and with all of them equal to their rated values. Slowly decrease the measured voltage in one phase until the BLKV signal appears.

  • Page 97: Checking The Operation Of The Dv/Dt And Di/Dt Based Function

    Section 6 1MRK 505 293-UUS A Testing functionality Simulate normal operating conditions with the three-phase currents in phase with their corresponding phase voltages and with all of them equal to their rated values. Slowly decrease the measured voltage in one phase until the BLKV signal appears. Record the measured voltage and calculate the corresponding zero-sequence voltage according to the equation.

  • Page 98: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality • The BLKV and BLKZ signals appear without any time delay. The BLKZ signal will be activated only if the internal deadline detection is not activated at the same time. • 3PH should appear after 5 seconds, if the remaining voltage levels are lower than the set VDLDPU of the DLD function.
  • Page 99 Section 6 1MRK 505 293-UUS A Testing functionality This section contains instructions on how to test the synchrochecksynchronism check, energizing check, and synchronizing function SESRSYN (25) for single, double and breaker-and-a-half arrangements. This section contains instructions on how to test the synchrochecksynchronism check and energizing check for single CB with or without the synchronizing function.
  • Page 100 Section 6 1MRK 505 293-UUS A Testing functionality Test V-Bus V-Bus equipment VMeasure Ph/N V-Line Ph/Ph Input Phase A,B,C AB,BC,CA ANSI08000027-1-en.vsd ANSI08000027 V1 EN Figure 13: General test connection with three-phase voltage connected to the line side Commissioning manual...

  • Page 101: Testing The Synchronizing Function

    Section 6 1MRK 505 293-UUS A Testing functionality V-Bus1 Test V-Bus1 equipment V-Bus2 V-Bus2 V-Line2 V-Line2 V-Line1 V-Line1 VMeasure Ph/N Ph/Ph ANSI11000273-2-en.vsd ANSI11000273 V2 EN Figure 14: General test connection for a breaker-and-a-half diameter with one- phase voltage connected to the line side 6.7.1.1 Testing the synchronizing function This section is applicable only if the synchronizing function is included.

  • Page 102: Testing The Synchrocheck Check

    Section 6 1MRK 505 293-UUS A Testing functionality 1.1. V-Line = 100% GblBaseSelLine and f-Line = 50.0 Hz 1.2. V-Bus = 100% GblBaseSelBus and f-Bus = 50.2Hz Check that a closing pulse is submitted at a closing angle less than 2 degrees from phase equality.
  • Page 103 Section 6 1MRK 505 293-UUS A Testing functionality SESRSYN CBConfig Section to Activated Activated Activated Activated Indication setting B1QCLD B2QCLD LN1QCLD LN2QCLD from synchroniz input on input on input on input on SESRSYN IED from IED from IED from IED from on IED SESRSYN 2 Tie CB...
  • Page 104 Section 6 1MRK 505 293-UUS A Testing functionality Testing the voltage difference Set the voltage difference to 0.15 p.u. on the local HMI, and the test should check that operation is achieved when the voltage difference VDiffSC is lower than 0.15 p.u. The settings used in the test shall be final settings.
  • Page 105 Section 6 1MRK 505 293-UUS A Testing functionality V-Bus No operation V-Line operation V-Bus en05000551_ansi.vsd ANSI05000551 V1 EN Figure 16: Test of phase difference Change the phase angle between +dφ and -dφ and verify that the two outputs are activated for phase differences between these values but not for phase differences outside, see figure 16.

  • Page 106: Testing The Energizing Check

    Section 6 1MRK 505 293-UUS A Testing functionality The voltage difference between the voltage connected to V-Bus and V-Line should be 0%, so that the AUTOSYOK and MANSYOK outputs are activated first. Change the V-Line voltage connection to V-Line2 without changing the setting on the local HMI.

  • Page 107: Testing The Voltage Selection

    Section 6 1MRK 505 293-UUS A Testing functionality Verify the settings AutoEnerg or ManEnerg to be DBLL. Apply a single-phase voltage of 30% GblBaseSelBus to the V-Bus and a single- phase voltage of 100% GblBaseSelLine to the V-Line. Check that the AUTOENOK and MANENOK outputs are activated after set tAutoEnerg respectively tManEnerg.

  • Page 108: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality 30% GblBaseSelLine to the V-Line and a single-phase voltage of 100% GblBaseSelBus to the V-Bus. If the VB1OK or VB2OK inputs for the fuse failure are used, they must be activated, during tests below. Also verify that deactivation prevents operation and gives an alarm. Connect the signals above to binary inputs and binary outputs.
  • Page 109 (CB) is simulated by an external bi-stable relay (BR), for example a relay type RXMVB2 or RXMD or Breaker Simulator of ABB. The following manual switches are used: • Switch or push-button to close (SC) •...

  • Page 110: Preparation Of The Verification

    Section 6 1MRK 505 293-UUS A Testing functionality • A bi-stable relay (BR) or two auxiliary relays to simulate a CB • Two push-buttons (SC, ST) to operate the BR and a change-over switch (SRY) to simulate CBREADY • Possibly a switch simulation the synchronizing check SESRSYN (25) condition SMBRREC (79) - CLOSECB Trip SMBRREC (79) - CBPOS...

  • Page 111: Switching The Autorecloser For 3-Phase Operation Function To Enabled And Disabled

    Section 6 1MRK 505 293-UUS A Testing functionality If SESRSYN (25) as an internal function or external device is not operated by the injection, input signal SYNC must be connected as a permanent high signal or controlled by a switch. Read and make notes of the reclosing operation counters on the local HMI under Main menu/Tests/Function status/Control/SMBRREC(79,0->1)/SMBRREC: Possibly reset the counters to Zero.

  • Page 112: Checking The Reclosing Conditions

    Section 6 1MRK 505 293-UUS A Testing functionality operation counters on the local HMI under Main menu/Tests/Function status/ SMBRREC(79,0->1)/SMBRREC:1 Should the operation not be as expected, this should be investigated. It could be caused by an inappropriate setting or missing condition such as CBREADY. Repeat the sequence by simulating a permanent fault.

  • Page 113: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Checking the influence of synchronizing check (at three-pole reclosing) Check that the autorecloser for 3-phase operation function SMBRREC (79) is operative, for example, by making a three-pole reclosing shot with the synchronizing check condition. Remove the SMBRREC (25) signal.
  • Page 114 The verification test is performed together with protection and trip functions. Figure illustrates a suggested testing arrangement, where the circuit-breaker (CB) is simulated by an external bi-stable relay (BR), for example a relay type RXMVB2 or RXMD or Breaker Simulator from ABB. Commissioning manual...
  • Page 115 Section 6 1MRK 505 293-UUS A Testing functionality To test ANSI04000202-1-en.vsd ANSI04000202 V2 EN Figure 18: Simulating the CB operation by a bi-stable relay/breaker simulator and manual switches The following manual switches are used: • Switch or push-button to close (SC) •...

  • Page 116: Preparation Of The Verification

    Section 6 1MRK 505 293-UUS A Testing functionality Use a secondary injection IED test set to operate the protection function. The test set shall be switched off when a trip signal is given or when the BR comes to open position to simulate real conditions.

  • Page 117: Switching The Auto-Reclosing Function Enabled And Disabled

    Section 6 1MRK 505 293-UUS A Testing functionality If SYNC as an internal function or external device is not operated by the injection, it may be connected as a permanent high signal or controlled by a switch. Read and make notes of the reclosing operation counters. Local HMI tree Main menu/Tests/Function status/Control/STBRREC(79,0->1)/STBRREC:1 Possibly reset the counters to zero.

  • Page 118: Checking The Reclosing Conditions

    Section 6 1MRK 505 293-UUS A Testing functionality Should the operation not be as expected, this should be investigated. It could be caused by an inappropriate setting or missing condition such as CBREADY (or SYNC at three-phase reclosing). Repeat the sequence by simulating a permanent fault. Shortly after the reclosing shot a new fault is applied.

  • Page 119: Checking The Influence Of Synchronism Check (At Three-Pole Reclosing)

    Section 6 1MRK 505 293-UUS A Testing functionality Keep the CB simulator BR closed. Remove the CBREADY signal by opening SRY. Apply a fault and thereby a PICKUP signal. Check that no reclosing takes place. 6.7.3.8 Checking the influence of synchronism check (at three-pole reclosing) Check that the auto-reclosing function is operative, for example, by making a three- phase reclosing shot with the synchronism check condition.

  • Page 120: Testing Logic Functions

    Section 6 1MRK 505 293-UUS A Testing functionality Values of the logical signals are available on the local HMI under Main menu/Tests/ Function status/Control/<Function>/<Function:1>. The Signal Monitoring in PCM600 shows the same signals that are available on the local HMI. The interlocking function consists of a bay-level part and a station-level part.

  • Page 121: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Check that AutoLock and TripLockout are both set to Disabled. Initiate a three-phase fault. The functional output TRIP should be active at each fault. The output CLLKOUT must not be activated. Activate the automatic lockout function, set AutoLock = Enabled and repeat. Besides the TRIP outputs, CLLKOUT should be set.

  • Page 122: Circuit Breaker Lockout

    Section 6 1MRK 505 293-UUS A Testing functionality Make sure that TripLockout and AutoLock are both set to Disabled. Initiate different single-phase-to-ground faults one at a time. Single-phase tripping will only be allowed when an auto-reclose attempt will follow. Autorecloser STBRREC (79) has functionality such as the long trip time, CB ready and so on, which can prevent a proper single-phase tripping and auto reclose.

  • Page 123: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality Check that AutoLock and TripLockout are both set to Disabled. Initiate a three-phase fault The functional output TRIP should be active at each fault. The output CLLKOUT must not be set. Activate the automatic lockout function, set AutoLock = Enabled and repeat. Reset the lockout signal by shortly thereafter activating the reset lockout (RSTLKOUT) signal.

  • Page 124: Completing The Test

    Section 6 1MRK 505 293-UUS A Testing functionality test it together with the function that operates it. Trig the function and check that the counter result corresponds to the number of operations. 6.9.2.1 Completing the test Continue to test another function or end the test by changing the Test mode setting to Off. Restore connections and settings to their original values, if they were changed for testing purposes.

  • Page 125: Setting The Station Communication

    Section 6 1MRK 505 293-UUS A Testing functionality Redundant communication according to IEC62439–3 Edition 1 and IEC 61850–9–2LE process bus communication are not supported in the 650 Ver 1.3 series IEDs. 6.11.1.2 Setting the station communication To enable the IEC 61850 communication, the corresponding COM03 ports must be activated.

  • Page 126: Verifying The Station Communication

    Section 6 1MRK 505 293-UUS A Testing functionality Navigate to Main Menu/Configuration/TCP-IP configuation/ ETHLAN1_AB. Set values for OperationMode, IPAddress and IPMask. OperationMode must be set to . Make sure that the optical fibres are connected correctly. 6.11.1.3 Verifying the station communication Connect a PC to the substation network and ping the connected IED and the Substation Master PC to verify that the communication is working up to the transport layer.

  • Page 127: Section 7 Commissioning And Maintenance Of The Fault Clearing System

    Section 7 1MRK 505 293-UUS A Commissioning and maintenance of the fault clearing system Section 7 Commissioning and maintenance of the fault clearing system Commissioning and maintenance of the fault clearing system About this chapter This chapter discusses maintenance tests and other periodic maintenance measures. 7.1.1 Commissioning tests During commissioning all protection functions shall be verified with the setting values...

  • Page 128: Visual Inspection

    Section 7 1MRK 505 293-UUS A Commissioning and maintenance of the fault clearing system The normal maintenance practices of the user should be followed. However, ABB's recommendation is as follows: Every second to third year • Visual inspection of all equipment.
  • Page 129 1MRK 505 293-UUS A Commissioning and maintenance of the fault clearing system ABB protection IEDs are preferably tested by aid of components from the COMBITEST testing system or FT test systems described in information B03-9510 E. Main components are RTXP 8/18/24 test switch located to the left in each protection IED and RTXH 8/18/24 test handle, which is inserted in test switch at secondary testing.
  • Page 130 Section 7 1MRK 505 293-UUS A Commissioning and maintenance of the fault clearing system Self supervision check Once secondary testing has been completed, it should be checked that no self-supervision signals are activated continuously or sporadically. Especially check the time synchronization system, GPS or other, and communication signals, both station communication and remote communication.
  • Page 131 Section 7 1MRK 505 293-UUS A Commissioning and maintenance of the fault clearing system 10% of rated current. For line differential functions, the capacitive charging currents can normally be recorded as a differential current. The zero-sequence current to ground-fault protection IEDs should be measured. The current amounts normally very small but normally it is possible to see if the current circuit is "alive".

  • Page 133: Section 8 Troubleshooting

    Inspect the IED visually. • Inspect the IED visually to find any physical error causes. • If you can find some obvious physical damage, contact ABB for repair or replacement actions. Check whether the error is external or internal. •...

  • Page 134: Checking The Communication Link Operation

    Status/General. • In case of persistent faults originating from IED's internal faults such as component breakdown, contact ABB for repair or replacement actions. 8.1.3.1 Checking the communication link operation There are several different communication links on the product. First check that all communication ports that are used for communication are turned on.

  • Page 135: Indication Messages

    Section 8 1MRK 505 293-UUS A Troubleshooting • Select Main menu/Tests/LED test. • Press simultaneously All the LEDs are tested by turning them on simultaneously. The display shows a set of patterns so that all the pixels are activated. After the test, the display returns to normal state.

  • Page 136: Warnings

    Section 8 1MRK 505 293-UUS A Troubleshooting Fault indication Additional information Internal Fault A TRM card error has occurred. The TRM-Error instance number is displayed at the end of the fault indication. Internal Fault A COM card error has occurred. The COM-Error instance number is displayed at the end of the fault indication.

  • Page 137: Correction Procedures

    Section 8 1MRK 505 293-UUS A Troubleshooting Correction procedures 8.3.1 Changing and setting the password The password can only be set with PCM600. For more information, see PCM600 documentation. 8.3.2 Identifying IED application problems Navigate to the appropriate menu in the LHMI to identify possible problems. •...
  • Page 138 Section 8 1MRK 505 293-UUS A Troubleshooting • Check the actual state of the connected binary inputs. • In LHMI, select Main menu/Tests/I/O modules. Then navigate to the board with the actual binary input to be checked. • With PCM600, right-click the product and select Signal Monitoring. Then navigate to the actual I/O board and to the binary input in question.
  • Page 139 Section 8 1MRK 505 293-UUS A Troubleshooting GUID-31DF5495-91F1-4A4B-8FD5-50625038961E V1 EN Figure 20: Testing a trip contact 1 Trip contact under test 2 Current limiting resistor • To check the status of the output circuits driving the output relay via the LHMI, select Main menu/Tests/I/O modules and then navigate to the board with the actual binary output to be checked.
  • Page 140 Section 8 1MRK 505 293-UUS A Troubleshooting To set the IED to test mode, select Main menu/Tests/IED test mode/ TESTMODE:1 and set the parameter to enable. To operate or force the output relay to operate, select and then navigate to the board with the actual binary output relay to be operated/forced.

  • Page 141: Section 9 Glossary

    Section 9 1MRK 505 293-UUS A Glossary Section 9 Glossary Alternating current Actual channel Application configuration tool within PCM600 A/D converter Analog-to-digital converter ADBS Amplitude deadband supervision Analog input ANSI American National Standards Institute Autoreclosing ASCT Auxiliary summation current transformer Adaptive signal detection ASDU Application service data unit...
  • Page 142 Section 9 1MRK 505 293-UUS A Glossary COMTRADE Standard Common Format for Transient Data Exchange format for Disturbance recorder according to IEEE/ANSI C37.111, 1999 / IEC60255-24 Cause of transmission Central processing unit Carrier receive Cyclic redundancy check CROB Control relay output block Carrier send Current transformer Communication unit...
  • Page 143 Section 9 1MRK 505 293-UUS A Glossary Electromagnetic interference EnFP End fault protection Enhanced performance architecture Electrostatic discharge F-SMA Type of optical fibre connector Fault number Flow control bit; Frame count bit FOX 20 Modular 20 channel telecommunication system for speech, data and protection signals FOX 512/515 Access multiplexer...
  • Page 144 Section 9 1MRK 505 293-UUS A Glossary IEC 60870-5-103 Communication standard for protective equipment. A serial master/slave protocol for point-to-point communication IEC 61850 Substation automation communication standard IEC 61850–8–1 Communication protocol standard IEEE Institute of Electrical and Electronics Engineers IEEE 802.12 A network technology standard that provides 100 Mbits/s on twisted-pair or optical fiber cable IEEE P1386.1...
  • Page 145 Section 9 1MRK 505 293-UUS A Glossary IRIG-B: InterRange Instrumentation Group Time code format B, standard 200 International Telecommunications Union Local area network Liquid crystal display Local detection device Light-emitting diode LON network tool Miniature circuit breaker MVAL Value of measurement National Control Centre Number of grid faults Numerical module...
  • Page 146 Section 9 1MRK 505 293-UUS A Glossary PT ratio Potential transformer or voltage transformer ratio PUTT Permissive underreach transfer trip Relay characteristic angle RISC Reduced instruction set computer RMS value Root mean square value RS422 A balanced serial interface for the transmission of digital data in point-to-point connections RS485 Serial link according to EIA standard RS485...
  • Page 147 Section 9 1MRK 505 293-UUS A Glossary Trip coil Trip circuit supervision Transmission control protocol. The most common transport layer protocol used on Ethernet and the Internet. TCP/IP Transmission control protocol over Internet Protocol. The de facto standard Ethernet protocols incorporated into 4.2BSD Unix.
  • Page 148 Section 9 1MRK 505 293-UUS A Glossary Coordinated Universal Time is expressed using a 24-hour clock, and uses the Gregorian calendar. It is used for aeroplane and ship navigation, where it is also sometimes known by the military name, "Zulu time." "Zulu" in the phonetic alphabet stands for "Z", which stands for longitude zero.
  • Page 150 Any reproduction, Phone +46 (0) 21 32 50 00 disclosure to third parties or utilization of its contents – in whole or in part – is forbidden without prior written consent of ABB AB. www.abb.com/protection-control © Copyright 2013 ABB.

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