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Entec EVRC2A-N6-NT User Manual

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Release Date: Feb. 2013 / Manual Revision: 7.13
RECLOSER CONTROL EVRC2A-N6,NT
USER'S MANUAL
ENTEC
ENTEC
ELECTRIC & ELECTRONIC CO., LTD
Copyright © 2002 by ENTEC ELECTRIC & ELECTRONIC CO., LTD all right reserved.
Forerunner Distribution & Automation

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Md.Shafiul
April 23, 2025

Only ground current increase suddenly and trip the circuit

0
1 comments:
Mr. Anderson
May 11, 2025

A sudden increase in ground current that trips the circuit in an Entec EVRC2A-N6-NT can be caused by a ground fault on the distribution line. If the ground directional control loses its direction due to a drop in polarized voltage below the minimum level, the system may rely on the non-directional ground overcurrent element to trip. Additionally, the ground fast time overcurrent or ground instantaneous high current trip (50G1) can trigger a trip if the ground current exceeds the set pickup value.

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Summary of Contents for Entec EVRC2A-N6-NT

  • Page 1 Release Date: Feb. 2013 / Manual Revision: 7.13 RECLOSER CONTROL EVRC2A-N6,NT USER’S MANUAL ENTEC ENTEC ELECTRIC & ELECTRONIC CO., LTD Copyright © 2002 by ENTEC ELECTRIC & ELECTRONIC CO., LTD all right reserved. Forerunner Distribution & Automation...
  • Page 3 [Jan. 2010] Ver5.00 “EVRC2A-N(Network type)” After the Ver5.00, the manual is applied to the Support “ETIMS(ENTEC Integration Management Software)” function(add the setup menu). This function is used to interface with ETIMS over Ethernet port. Separate “Communication” setting into “Protocol” and “Port” settings.
  • Page 4 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr [Mar. 2011] Ver5.20 Add “Loss of Phase” in “PROTECTION” menu according to an additional function (option), “Loss of Phase”. Add “Supply Outage Measurement” as an additional function in menu. - Add “S-Outage” and “S-O Dura” set-up in “RELAY SETUP/ EVENT RECORDER” menu. - Add “S-Outage Count”...
  • Page 5 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr - Change “RECORDER” in “1.2. Summary of Features”. - Add “Power Quality” in “2.5. Monitoring”. - Change “SYSTEM EVENT RECORDER”, “POWER QUALITY EVENT RECORDER”, “COUNTER” in “2.6. Recorder”. - Change “Figure 3-12. Menu Structure Tree” in “3.2.1. Main Menu Summary”. - Add settings for Unbalance in “6.10.
  • Page 6 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr SETUP / TIME SET&DIS TYPE” menu. Changed the manual based on EVRC2A_NT firmware V7.06 upgrading. - Change “5.2.2.2. IEC60870-5-101 Protocol – Option” : Add the setting items in “COMMUNICATION / PROTOCOL SETUP / IEC60870-5-101” menu. - Change “5.2.2.3. IEC60870-5-104 Protocol – Option” : Add the setting items in “COMMUNICATION / PROTOCOL SETUP / IEC60870-5-104”...

  • Page 7: Table Of Contents

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr TABLE OF CONTENTS 1. INTRODUCTION ......................1 1.1. Description .......................... 1 1.2. Summary of Features ......................2 2. TECHNICAL SPECIFICATIONS................. 5 2.1. Inputs and Outputs ......................5 2.2. Type Withstand Tests ......................8 2.3. Metering Accuracy ......................9 2.4.
  • Page 8 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.4. System Power ........................88 6.5. Panel Sleep Time ....................... 91 6.6. Opto Input Set - Option ..................... 91 6.7. Output Relay Set - Option ....................93 6.8. Loop Control - Option ....................... 96 6.9. Set Group Change - Option ..................... 115 6.10.
  • Page 9 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.8. EXT’ Trip & Lock – Option .................... 220 8.9. Live Load Block – Option ....................221 9. STATUS ........................222 9.1. OPTO Inputs ........................222 9.2. Relay Outputs ........................222 9.3. Clock ..........................223 9.4. Control Type ........................224 10.
  • Page 10 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.12. Current Inputs Wiring Diagram ................... 269 13.13. VD Wiring Diagram ....................270 13.14. VT Wiring Diagram ..................... 271 13.15. Current and Voltage Inputs Phase Rotation ..............272 13.16. Control Cable Receptacle Pin Descriptions ..............273 13.17.

  • Page 11: Introduction

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 1. INTRODUCTION 1.1. Description EVRC2A with the microprocessor-based digital control technology is designed to provide protective coordination and fault clearance of distribution systems for the continuous best quality of electric service. Remote monitoring and control can be provided by RTU(Remote Terminal Unit - Option) which fundamentally installed.

  • Page 12: Summary Of Features

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 1.2. Summary of Features PROTECTION Phase Instantaneous Over-current Element Phase Time Over-current Elements Phase Definite Time High Current Lockout Element Ground Instantaneous Over-current Element Ground Time Over-current Elements Ground Definite Time High Current Lockout Element Sensitive Earth Fault Elements Negative Instantaneous Over-current Element Negative Time Over-current Elements Negative Definite Time High Current Lockout Element...
  • Page 13 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr MONITORING Fault Locator Demand trip and alarm(Ia, Ib, Ic, Ig, I2) Trip Counter Limit Synchronism Check Recloser main contact Wear(Per Phase) Recloser Operation Failure Voltage Transformer Failure Battery Automatic Load Test Breaker Failure with Current Supervision Power Quality - Option Recloser Gas Over and Low pressure - Option NOTE : According to a recloser type, there may be no gas pressure monitoring.
  • Page 14 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr RECORDER Trip and fault counter Supply outage counter and time – Option Sag/Swell detection counter – Option Voltage and current unbalance detection counter - Option System event recorder - last 2048 events Diagnostic event recorder - last 512 events Load profile recorder - last 213days Fault Waveform - 15 cycles ×...

  • Page 15: Technical Specifications

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2. TECHNICAL SPECIFICATIONS 2.1. Inputs and Outputs Systems 3phase-3wire or 3phase-4wire, 38㎸ maximum, 800 Amp maximum Frequency 50 / 60㎐ system and ABC/ACB phase rotation Control Voltage Input AC Voltage Input 110V/220Vac or other voltage (+10%,-15%) Nominal Battery Voltage : 24Vdc Based on user requirement, prepare 110V/220V Selectable Switch - Option User available DC power Output - Option...
  • Page 16 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Voltage Transformer Inputs (VT) - Option Voltage Inputs EVRC2A-N : 4 Channel(VA, VB, VC and VL) EVRC2A-N6,NT : 6 Channel - Source Voltage 1 VA,VB,VC - Source Voltage 2 VR,VS,VT Input Voltage Range : Phase-Neutral Continuous <300V Burden: 0.6VA(300V), 0.2VA(220V), 0.05VA(120V), 0.02VA(67V) Current Transformer Inputs (CT) Current Inputs IA,IB,IC and IG, SEF...
  • Page 17 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Control Output Contacts - Option Control Outputs 8 Channel Normal Open 5 Channel Normal Close 2 Channel ALARM 1 Channel 300Vac / 350Vdc Varistor for differential surge protection Operate / Release time : < 5ms at +20℃(+68℉) Maximum operating power 125Vdc 0.1A...

  • Page 18: Type Withstand Tests

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.2. Type Withstand Tests Dielectric Strength CT inputs, VT inputs, Control Power inputs, Opto-isolated inputs and Relay outputs 2㎸(60㎐) for 1 minute Impulse Voltage IEEE C62.45 (1992) Withstand Capability of Relay Systems to Radiated Electromagnetic Interference Transceivers, 6㎸(1.2×50㎲), 3㎄(8×20㎲) Surge Withstand Capability IEEE C37.90.1 - 1989 IEEE SWC Tests for Protective Relays and Relay Systems (3㎸...

  • Page 19: Metering Accuracy

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.3. Metering Accuracy The harmonic components of current and voltage are removed from the input voltage and current parameters, so all measurements based on these quantities respond to the fundamental components only except the measurement of harmonics. Table 2-1.
  • Page 20 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 2-1. Metering Accuracy(2/2) Measurements Parameters Unit Accuracy Range A-N (A-B) Source Voltage FREQUENCY 40.00~70.00 ㎐ ±0.02 R-N (R-S) Load Voltage 0% to 100% ±1% Harmonic of Current ±1% 0% to 100% Harmonic of Voltage – HARMONICS THD of Current 0% to 100%...

  • Page 21: Protection Elements

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.4. Protection Elements Phase/Ground/Negative Sequence Time Overcurrent Protection Pickup Level .............. OFF, 10 to 1600 in steps of 1A Dropout Level ............96 to 98% of Pickup Curve Type ANSI : Moderately, Normally, Very, Extremely, Short Inverse, Definite Time (1s ,10s) IEC : Standard, Very, Extremely, Long, Short Inverse ESB : Normally, Very, Long Very Inverse User programmable curves : U1, U2, U3, U4...
  • Page 22 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Sensitive Earth Definite Time Overcurrent Protection *NOTE Pickup Level ............. OFF, 4 to 160 in steps of 1A(prior to Ver 6.15) OFF, 1 to 160 in steps of 1A(from Ver 6.15) Dropout Level ............95 to 98% of Pickup Time Delay ..............
  • Page 23 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Cold Load Pickup Blocking Cold Load Pickup Trigger ......... 52A(Close) or Load Current Phase Pickup Level ........... 10 to 20000 in steps of 1A Ground Pickup Level ..........10 to 20000 in steps of 1A *NOTE SEF Pickup Level ..........
  • Page 24 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Negative Directional Control Polarizing Voltage ............. Negative Sequence Voltage V2 Maximum Torque Angle ..........0 to 359° in steps of 1° Minimum Polarizing Voltage ........0.00 to 1.25 in steps of 0.01 x VT Angle Accuracy ............± 2° Internal Operation Delay ...........
  • Page 25 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Loss of Phase - Option Pickup Level .............. 0.00 to 1.25 in steps of 0.01 x VT Dropout Level ............102 to 105% of Pickup Time Delay ..............0.10 to 100.00 in steps of 0.01s Time Accuracy ............± 20㎳ ENHANCED TECHNOLOGY...

  • Page 26: Monitoring

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.5. Monitoring Demand Measured Values ............Phase A/B/C/G Current(A) Phase A/B/C/G 3Φ Real Power(MW) Phase A/B/C/G 3Φ Reactive Power(Mvar) Measurement Type ............ Thermal Exponential/Rolling Demand Time Constant ............5, 10, 15, 20, 30 or 60 min. Phase Pickup Level ...........
  • Page 27 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Fault Locator Total Length of Feeder ..........0.1 to 99.9 of 0.1km Real impedance of the feeder positive seq....0.1 to 6000.0 of 0.1ohms Imaginary impedance of the feeder positive seq..0.1 to 6000.0 of 0.1ohms Real impedance of the feeder zero seq.
  • Page 28 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Live Load Blocking - Option Blocking Pickup Voltage ........... 0.10 to 0.90 in steps of 0.01 x VT in Load side Dropout Level ............95 to 98% of Pickup Time Delay ..............0.00 to 600.00 in steps of 0.01s Timing Accuracy ............

  • Page 29: Recorder

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.6. Recorder WAVEFORM CAPTURE Trigger Source Protection pickup Elements Trip command active Data Channels 5 currents, 4 voltages, 85 logic input states, 8ch output relays, 8ch Input Sample Rate : 16 per cycle Trigger Position : 1 to 15cycle Storage capacity : 32 events with 15cycle SYSTEM EVENT RECORDER Trigger Source...
  • Page 30 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr DIAGNOSTIC EVENT RECORDER Trigger Source System Power(AC, Battery, ±12V, +5V) A/D Conversion(A/D Fail, Reference Voltage1, Reference Voltage 2) Sleep Mode Power Down Mode(Charge Volt High Alarm) Setting Change Gas Status Alarm Status, etc. NOTE : According to a recloser type, there may be no diagnosis of gas pressure status. Trigger Time : each 1/4 cycle Trigger type : Pick up and Dropout Storage Capacity : Last 512 Events...
  • Page 31 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr POWER QUALITY EVENT RECORDER - Option Trigger Source Trigger elements : Source, Load Trigger Time : each 1/4 cycle Trigger type : supply outage occurrence, sag occurrence, swell occurrence, voltage unbalance occurrence, current unbalance occurrence NOTE : The detection of voltage/current unbalance is supported from version 6.12 of EVRC2A-N6,NT.

  • Page 32: Communications

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2.7. Communications Table 2-2. Communications RS232, 57600bps, No Parity, 8 Data Bits, 1 Stop bit Front Panel Port1 EVRC2A Interface software RS232, 1200-19200bps, No Parity, 8 Data bits, 1 Stop bit Side panel Port2 - Option DNP 3.0, Modbus or IEC60870-5-101 Protocol and EVRC2A Interface software RS485 or RS232*, 1200-19200bps, No Parity, 8 Data bits, 1...

  • Page 33: User Interface Panel

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3. USER INTERFACE PANEL This section describes the User Interface Panel (front-panel) The User interface Panel control is used for; Directly control the recloser Verify control status View system status View metering value View information stored in the EVRC2A unit View and change the EVRC2A settings Figure 3-1.

  • Page 34: Construction

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.1. Construction Panel consists of 8 sections as below; Operation section Local control section Fault indication section Voltage elements section Sequence status section System diagnostic section Battery test section Menu control section 3.1.1. Operation Section OPEN Pressing OPEN push-button sends a trip signal to the Recloser.
  • Page 35 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.1.2. Local Control Section All indicators show status of Control function. The indicators are continuously ON when the control function is enabled and the indicators are continuously OFF when control function is DISABLE. The push-button toggles Enable/Disable. PROTECTION ENABLED All Protection elements are enabled GROUND ENABLED...
  • Page 36 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Protection Enabled When illuminated, all protection elements are enabled. The protection enabled condition can be disabled by pressing the Protection Enabled push button on the front panel. The front panel LED will illuminate on each source of all protection enabling. NOTE : Although all protection elements are enabled, ground protection elements and SEF element are operated individually.
  • Page 37 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Program 1 A function installed in Program1 is operated when Program1 LED is On. Depending on user’s request, Manufacturer sets a function in Program1. Program 2 A function installed in Program2 is operated when Program2 LED is On. Depending on user’s request, Manufacturer sets a function in Program2.
  • Page 38 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr TRIP TYPE INST : Shows high current trip (50-1) DELAY : Shows delay trip(51) HIGH CURR’ : Shows high current lockout(50-2) FAULT INDICATION A, B, C : Indicates an over-current fault has occurred on one of the phase lines G : Indicates an over-current fault has occurred on the neutral line SEF : Indicates a sensitive earth fault has occurred on the neutral line FI RESET : Reset fault indication/Lamp test...
  • Page 39 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.1.5. Sequence Status Section Indicates the current status of programmed sequence procedure. RESET : Sequence shows resetting CYCLE : Sequence shows running LOCKOUT : Sequence shows lockout Figure 3-6. Sequence Status Section 3.1.6. System Diagnostic Section Indicates Diagnostic status of the EVRC2A.
  • Page 40 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.1.7. Battery Test Section Indicates the system power status of the EVRC2A. AC supply indicates the EVRC2A has external power source. Charge indicates the EVRC2A is charging Battery. Discharge indicates the EVRC2A has failed in battery load testing. AC SUPPLY Status of supplying the external AC power.
  • Page 41 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.1.8. Menu Control Section The Liquid Crystal Display (LCD) of the EVRC2A displays four lines of twenty characters each. LCD DISPLAY 4x20 Characters display CONTROL KEYS [▲] [▼] [◀] [▶] Arrow keys are used for moving through the menu window and the changing of the setting value [▲] (METER) : Up arrow key is used to move to the meter menu, operable in menu starting mode [▼] (AWAKE) : Down arrow key is used for panel awake from sleep mode [◀] (EVENT) : Left arrow key is used to move to the event menu, operable in menu starting mode...
  • Page 42 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr [FUN] Key Press [FUN] key to enter Main menu for displaying information or changing settings. [FUN] key is also used to display a help message in setting change mode and to cancel the help message display. [ESC] Key The ESC key can be used to cancel data input mode and return to the previous menu.

  • Page 43: Lcd Display

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.2. LCD Display 20 x 4 Character Display(LCD or VFD : Vacuum Fluorescent Display) All menus are arranged in rotation algorithm. When cursor is in top menu, if you press [▲] key, you go to the bottom menu due to Rotation Menu Algorithm.
  • Page 44 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.2.3. Primary Setting RELAY SETUP Consists of PASSCODE, COMMUNICATION, CLOCK, EVENT RECORDER, CLEAR SAVED DATA, FACTORY DEBUG, GAS SENSOR TYPE and TIME SET&DIS TYPE. SYSTEM SETUP Consists of CURRENT SENSING, LINE (VS, VL) SENSING, SYSTEM POWER, PANEL SLEEP TIME, OPTO INPUT SET, OUTPUT RELAY SET, LOOP CONTROL(option) and SET GROUP CHANGE(option).
  • Page 45 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.2.8. Maintenance COUNTERS : Shows counters related with SYSTEM. WEAR MONITOR : Shows any damage Interrupter. RELAY OUTPUT TEST : Tests External Output port. POWER QUALITY : Shows counters and time related with supply outage and counters related with swell, sag and unbalance –...
  • Page 46 2.USER CURVE 2 16.H/C LOCKOUT-NEQ EVERC2A-N6 8.SYSTEM 3.USER CURVE 3 17.CLOD LOAD PICKUP LOOP CONTROL 9.L-VOLTAGE 4.USER CURVE 4 18.DIRECTION ENTEC E&E CO. V6.05 10.UNBALANCE 19.VOLTAGE 11.HARMONICS 20.FREQUENCY 21.OTHER ELEMENT EVRC2A - CURRENT (A) 22.USER CURVE SET 23.LOSS OF PHASE 0 I2:...

  • Page 47: Using The Lcd Menu

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.3. Using the LCD Menu Starting mode Screen appears after powering on Control and initializing System. INITING LOGO Starting mode Message Display. EVRC2A-SYSTEM STATUS CONTROL : NORMAL Control : Control Status displays BREAKER : CLOSE BAT:27.49 GAS: NOGAS Breaker : Breaker Status displays Battery : Battery Voltage displays Gas : Gas Status displays...
  • Page 48 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.3.2. Setting Example Step to change Phase Pickup current of protection elements in Primary setting. 1) Move to “PRIMARY SETTING / PROTECTION / PICKUP CURRENT / PHASE”. A following screen is displayed. PRIMARY SETTING / PROTECTION / PICKUP CURRENT / PHASE OFF, 10 ~ 1600 Range [PICKUP CURRENT A]...
  • Page 49 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3.3.4. Setting Save To save all changed values, steps are as follows; Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / SAVE SETTINGS” and follow each step as below. PRIMARY, ALTERNATE or EDITBANK SETTING / SAVE SETTINGS ①...

  • Page 50: Select Setbank

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 4. SELECT SETBANK There were only Primary and Alternative banks before version 4.40 and 4 more banks added since version 4.40. EVRC2A has 6 setting banks and the user can have 6 different sets depending on Distribution circumstance.

  • Page 51: Relay Setup

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5. RELAY SETUP Relay set shall be set independently for each bank. However, from version 4.41, regardless of bank, it will be applied to all other banks if it is set in a bank. Sets following items for Relay Passcode Communication Clock...

  • Page 52: Communication

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2. Communication 5.2.1. Overview EVRC2A has four ports for communication. The EVRC2A has the front panel RS232 port, the side panel RS232 port, the side panel RS485 port(or RS232 port) and the side panel Ethernet port. Communication port settings are available as follows in “Table 5-1.
  • Page 53 During IEC60870-5-104 or DNP3.0 communication through Port2, Port3 or Port 4, a user can connect with the Interface Software “ETIMS(ENTEC Integration Management Software)” and use it. Please refer to “DNP3.0 Protocol Technical Manual”, “MODBUS Protocol Technical Manual”...
  • Page 54 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.2. Protocol Setup 5.2.2.1. DNP 3.0 Protocol - Option EVRC2A can be programmed for communication using the DNP 3.0 through communication port2, port3 or port4. For details, refer to “DNP3.0 Protocol Technical Manual” Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2”...
  • Page 55 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2 / D/L Confirm NO, YES, SOME Range [DNP3.0-1] >D/L Confirm: SOME Default SOME Step >D/L Retries: >D/L Timeout: Choose whether Data Link Confirm is used or not. NO : Data Link Confirm is not used. YES : Data Link Confirm is used.
  • Page 56 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2 / A/L Timeout 1 ~ 255 sec Range [DNP3.0-1] D/L Timeout: Default 55 Step 1 sec A/L Retries: >A/L Timeout: Set a waiting time for Slave Application to receive A/L Confirm(ACK) from Master Application, in case that Confirm is requested during Data transfer from Slave Application to Master Application.
  • Page 57 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2 / Unsol Time 0 ~ 255 sec Range [DNP3.0-1] >Multi Inter: 0.10 Default 5 Step 1 sec >PowUpUnsol: ENABLE >Unsol Time: Set a delay time of transmission of event data after the last event occurs.
  • Page 58 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2 / Master IP Oct 1~4 0 ~ 255 Range [DNP3.0-1] Default ~ Step >Master IP Oct1: 192 >Master IP Oct2: 168 >Master IP Oct3: Select the IP Address for DNP3 Communication. >Master IP Oct4: IP Address : 192.xxx.xxx.xxx ①...
  • Page 59 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION / PROTOCOL SETUP / DNP1 or DNP2 / Time Req(m) 0(OFF), 1 ~ 30000 min Range [DNP3 SLAVE1] Default 1440 Step 1 min >K-Alv Check Tm: >Fragment Size: 2048 Set Time Sync in order to synchronize internal system clock with time >Time Req(m): 1440 received from master station.
  • Page 60 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC60870-5-101/ ASDU Addr 0~65535 Range [IEC60870-5-101] >ASDU Addr: Default 1 Step >Cyclic Period: >Event Period: Select the Application Service Data Unit Address. COMMUNICATION/ PROTOCOL SETUP/ IEC60870-5-101/ Cyclic Period Range 1~60000 sec [IEC60870-5-101] >ASDU Addr: Default 60 Step 1 sec...
  • Page 61 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ ADSU Addr Size* 1 ~ 2 Range [IEC60870-5-101] >ADSU Addr Size: Default 2 Step >Link Confirm:ALWAYS >ADSU Addr Size: Enter the size of cause of transmission. COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ Link Confirm* Range NEVER, ALWAYS [IEC60870-5-101]...
  • Page 62 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ COT Size* 1 ~ 2 Range [IEC60870-5-101] >COT Size : Default 1 Step >IOA Size : >One Ch Response: NO Enter the size of cause of transmission. COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ IOA Size* Range 1 ~ 3 [IEC60870-5-101]...
  • Page 63 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ CSE Termination* NO, YES Range [IEC60870-5-101] >CMD Termination:YES Default YES Step >CSE Termination:YES >Clock Sync’ Evt:YES Select whether to send Activation Termination upon completion of set point commands. COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ Clock Sync’ Evt* Range NO, YES [IEC60870-5-101]...
  • Page 64 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC60870-5-104/ Cyclic Period 1~60000 sec Range [IEC60870-5-104] >Function: DISABLE Default 60 Step 1 sec >ASDU Addr: >Cyclic Period: Select the Cyclic Period. It is to set interval time between Point set for Cyclic. COMMUNICATION/ PROTOCOL SETUP/ IEC60870-5-104/ Time Out(t0) 1~255 sec Range...
  • Page 65 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC60870-5-104/ TCP Port 0 ~ 65535 Range [IEC60870-5-104] Default 2404 Step >Time Out(t3): >Event Period: Set the TCP/IP Port of EVRC2A for IEC60870-5-104 Protocol >TCP Port: 2404 communication. COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-104/ Rx Frame Size* 0 ~ 255 Range [IEC60870-5-104]...
  • Page 66 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ IEC870-5-101/ Clock Sync’ Evt* NO, YES Range [IEC60870-5-101] >CMD Termination:YES Default YES Step >CSE Termination:YES >Clock Sync’ Evt:YES Select whether to generate spontaneous clock synchronization events NOTE : The above set values marked with * are indicated from Ver 7.06 of EVRC2A_NT. 5.2.2.4.
  • Page 67 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PROTOCOL SETUP/ MODBUS/ Slave Tx Delay 0.000 ~ 0.500 sec Range [MODBUS] >Slave Address: Default 0.005 Step 0.001 sec >Tx Delay: 0.005 >TCP/UDP Select: TCP Delay time of sending Real data from RTS Signal is on. COMMUNICATION/ PROTOCOL SETUP/ MODBUS/ TCP/UDP Select TCP, UDP Range...
  • Page 68 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.3. Port Setup 5.2.3.1. PORT2-RS232 EVRC2A side panel PORT2 and related elements are set. Move to “PRIMARY, ALTERNATE or EDITBANK SETTING/ COMMUNICATION/ PORT SETUP/ PORT2-RS232” to select setting for PORT2. COMMUNICATION/ PORT SETUP/ PORT1-RS232/ Line Speed Range 1200, 2400, 4800, 9600, 19200 bps [PORT1-RS232]...
  • Page 69 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PORT SETUP/ PORT2-RS232/ Line Type DIALUP, 2-WIRE, 4-WIRE Range [PORT1-RS232] >Stop Bit: Default 4-WIRE Step >Line Type: 4-WIRE >CTS Function: Select a modem for communication. DIALUP : Dial-Up modem1 is used. 2-WIRE : 2-wire private line is used and continuously Carrier is monitored to control data flow by DCD(Data Carrier Detect).
  • Page 70 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PORT SETUP/ PORT2-RS232/ CTS Chk Out 1 ~ 255 sec Range [PORT1-RS232] >CTS Chk Out: Default 5 Step 1 sec >DCD Timeout: 5000 >TX Post Dly: Set a waiting time that waits CTS signal after RTS signal is ON. In case of radio communication system, when transfer data at the same time from various Slave, it produces transmission permission delay time due to the wireless network traffic congestion.
  • Page 71 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.3.2. PORT3-RS232/485 EVRC2A side panel PORT3 and related elements are set. Move to “PRIMARY, ALTERNATE or EDITBANK SETTING/ COMMUNICATION/ PORT SETUP/ POR3-232/485” to select setting for PORT3. The setting item of this menu is same as “PORT2-RS232”. Refer to “5.2.3.1. PORT2-RS232”. 5.2.3.3.
  • Page 72 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ PORT SETUP/ PORT4-TCP/IP /K- Alv’ Function DISABLE, ENABLE Range [PORT4-TCP/IP] Default DISABLE Step >K-Alv’ Func:DISABLE >K-Alv’ Idle T: Select whether to use the Ethernet communication connecting status >K-Alv’ Interval: check function or not. COMMUNICATION/ PORT SETUP/ PORT4-TCP/IP / K-Alv’ Idle T 1 ~ 255 sec Range [PORT4-TCP/IP]...
  • Page 73 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.4. RTU Communication Setup (DIALUP MODEM) - Option EVRC2A can support dial-up modem communication, Hayes-compatible, through Port2 and Port3 when their port types are both RS232. The configuration of the Port2 for use of dial-up modem can be set on the menu “DIALUP MODEM-1”.
  • Page 74 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Configure no CONNECT messages(must be done) A Hayes AT-style modem usually outputs a message when a call is received. For example: CONNECT 9600 The modem has a "quiet mode" that disables these messages. The AT command is ATQ1. There will be no OK printed in response to this command. Configure no echo of commands(must be done) Echoing commands can confuse the console, so turn off command echoing.
  • Page 75 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Hang up DTR Line is deasserted Wait 2 second DTR Line is asserted Wait 2 second ※ . EVRC2A will hang up the modem after a delay of 30 seconds with no valid packet received or transmitted.
  • Page 76 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.4.4. Dialup Modem Setup Calling String In order to set “Calling String”, go to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / DIALUP MODEM-1 or DIALUP MODEM-2 / CALLING STRING”. COMMUNICATION / DIALUP MODEM / CALLING STRING ①...
  • Page 77 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Calling Number In order to set “Calling Number”, go to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / DIALUP MODEM-1 or DIALUP MODEM-2 / CALLING NUMBER” menu. COMMUNICATION / DIALUP MODEM / CALLING NUMBER Insert [Modem(Master station) phone number] for calling.
  • Page 78 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Initial String In order to set “Initial String”, “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / DIALUP MODEM-1 or DIALUP MODEM-2/ INITIAL STRING” menu. COMMUNICATION / DIALUP MODEM / INITIAL STRING Modem can be initialized by inserting total 30 figures of number, ①...
  • Page 79 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Connect Parameter Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / DIALUP MODEM-1 or DIALUP MODEM-2 / CONNECT PARAM’”. COMMUNICATION/ DIALUP MODEM / CONNET PARAM’ / Cmd Res’ TO Range 0 ~ 255 sec [CONNECT PARAMETER] Default 2 Step...
  • Page 80 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ DIALUP MODEM / CONNET PARAM’ / SMS Type (Option) SINGLE, MULTI Range [CONNECT PARAMETER] Default MULTI Step >SMS Use: DIABLE >SMS Time: Single or Multiple type is supported for SMS message. >SMS Type: MULTI Single type is to send one event’s information(max. 25 characters) including description and the occurring time of event in one SMS message.
  • Page 81 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.2.5. EVENT&ETC Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / COMMUNICATION / EVENT&ETC”. COMMUNICATION/ EVENT&ETC / AI Evt Method Range OFF,TH,DB,BOTH [EVENT&ETC] Default OFF Step > AI Evt Method: OFF > SKIP at Fault: YES Select the Analog Event Type.
  • Page 82 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ EVENT&ETC / BI Evt Mode ALL, LAST Range [EVENT&ETC] Default ALL Step > BI Queue Size: 256 > BI Evt Mode: Set the Binary Event Mode. > AI Queue Size: 256 ALL : All status is buffed for the same point. LAST : Only last event is buffed for the same point.
  • Page 83 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ EVENT&ETC / AI ‘V’ Unit 1V, 10V Range [EVENT&ETC] Default 10V Step > CI Evt Mode: > AI ‘V’ Unit: Set the data format of AI(Analog Input) points associated with a > AI ‘P’ Unit: voltage.
  • Page 84 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ EVENT&ETC/ Daily Max I NO,YES Range [EVENT&ETC] Default NO Step > AI ‘P’ Unit: > Daily Max I: Select whether to transfer the AI event about daily max. load current. > Daily Energy: NO : Daily Max. Load Current is not recorded as event. YES : Daily Max.
  • Page 85 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr COMMUNICATION/ EVENT&ETC/ Evt Time Type LOCAL,GMT Range [EVENT&ETC] Default LOCAL Step >Daily Energy: >Tims Syn’ Ref:LOCAL Set the time type for event recorders in DNP Communication. >Evt Time Type:LOCAL NOTE : The location of “Evt Time Type” setting depends on EVRC2A_NT version.

  • Page 86: Clock

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.3. Clock In order to configure current date and time, go to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / CLOCK” menu. The “CLOCK” menu screen can vary according to the EVRC2A version. Prior to Ver 6.15 of EVRC2A RELAY SETUP / CLOCK Press [ENT] button at ①...
  • Page 87 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr From Ver 6.15 of EVRC2A RELAY SETUP / CLOCK ① Screen ① indicates the present time. ⓐ Indicates the local time type’s present time. [CURRENT TIME] L2009/01/01 09:00:00 ⓑ Indicates the GMT time type’s present time. G2009/01/01 00:00:00 PRESS <ENT>...

  • Page 88: Event Recorder

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.4. Event Recorder Event Recording elements are set such as Recording and Sampling timing and so on. Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / EVENT RECORDER” to select setting for the event recording elements. RELAY SETUP / EVENT RECORDER / Fault Cycle ON, OFF Range...

  • Page 89: Clear Saved Data

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.5. Clear Saved Data In order to reset saved data, go to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / CLEAR SAVED DATA” menu. RELAY SETUP / CLEAR SAVED DATA Clear Saved Data [CLEAR SAVED DATA] >1.Fault Cycle Select item for clearing and then press [ENT] button.

  • Page 90: Gas Sensor Type

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5.7. Gas Sensor Type Move to “PRIMARY, ALTERNATE or EDITBANK SETTING / RELAY SETUP / GAS SENSOR TYPE” to select setting for the gas sensor type. PRIMARY SETTING / RELAY SETUP / GAS SENSOR TYPE NONE, TYPE1, TYPE2 Range [GAS SENSOR TYPE] >Type Select:...
  • Page 91 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr RELAY SETUP / TIME SET&DIS TYPE / GMT Min* 0~59 Range [TIME SET&DIS’TYPE] >GMT Hour: Default 0 Step >GMT Min : >Disp’ Type: Set the minute difference between local time and GMT. NOTE Korea Local time is 9 hour faster than UTC time, set it as follows (+9:00); Sing : +, Hour : 9, Min : 0 NOTE If the setting values associated with GMT are set up incorrectly, the problems can be happened...

  • Page 92: System Setup

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6. SYSTEM SETUP System set shall be set independently for each bank. However, from version 4.41, regardless of bank, it will be applied to all other banks if it is set in a bank. Sets following items for System CT Ratio VT or PT Ratio Power Line Frequency, Phase rotation...
  • Page 93 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.1.2. Setting PRIMARY SETTING / SYSTEM SETUP / CURRENT SENSING / PHA CT Ratio Range 1 ~ 1200 [CURRENT SENSING] >PHA CT Ratio: 1000 Default 1000 Step GND CT Ratio: 1000 SEF CT Ratio: 1000 Enter the phase CT primary current value. PRIMARY SETTING / SYSTEM SETUP / CURRENT SENSING / GND CT Ratio Range 1 ~ 1200...

  • Page 94: Line Vs Sensing

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.2. Line VS Sensing 6.2.1. Description To measure Source Voltage, set Connect Type, 2nd Nominal Voltage, VT Ratio. With Line VTs installed, the EVRC2A can be used to perform voltage measurements, power calculations, and directional control of over-current elements. 6.2.2.
  • Page 95 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.2.3. Setting Examples Use of VD(CVD or RVD) Case of VD(CVD or RVD) installed in Recloser, setup as follows; Usable in Wye connection. Set VT2nd(v) 100 as Default. PT Ratio is calculated as below. Voltage = Voltage ×...

  • Page 96: Line Vl Sensing

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.3. Line VL Sensing 6.3.1. Description To measure Load Voltage, set Connect Type, 2nd Nominal Voltage, VT Ratio. With Line VTs installed, the EVRC2A can be used to perform synchronism elements. 6.3.2. Setting PRIMARY SETTING / SYSTEM SETUP / LINE VL SENSING / Connect Type Range NONE, WYE, DELTA, VD-W, VD-D [LINE VL SENSING]...
  • Page 97 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LINE VL SENSING / Install Type 3P, 1P-R, 1P-S, 1P-T Range [LINE VL SENSING] VT 2nd(v): 100.0 Default 3P Step VT Ratio: 155.9 >Install Type: Insert the type of sensing voltage for the recloser body unit. 3P : Three phases voltage sensing installed 1P-R : One phase voltage sensing installed to the R phase of the recloser body unit.

  • Page 98: System Power

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.4. System Power 6.4.1. Description Menu to set Frequency of Protected Line and installed Phase rotation 6.4.2. Setting PRIMARY SETTING / SYSTEM SETUP / SYSTEM POWER / Frequency Range 50, 60 ㎐ [SYSTEM POWER] >Frequency: Default 50 Step Phase Rotation: ABC >Install Dir’:...
  • Page 99 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr NOTE: The voltage sensing type to the load side can be checked on the setting of "Install Type" in the "LINE VL SENSING" menu. PRIMARY SETTING / SYSTEM SETUP / SYSTEM POWER / Phase Combination abc, cab, bca, acb, bac, cba Range [SYSTEM POWER] >Phase Rotation: ABC...
  • Page 100 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 6-2. Phase Connection & Display Mapping Table Line feeding Recommend Setting Phase Mapping Result Phase Install Direction LCD/INDEX Display : Bushing/Controller Bushing Terminal Combination Source V(Load V) / Current Terminal Case 1 : NORAMAL Va(Vr)/Ia A(R)/IA Vb(Vs)/Ib B(S)/IB...

  • Page 101: Panel Sleep Time

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.5. Panel Sleep Time 6.5.1. Description Menu to set the interval time that User interface panel turns into sleep mode. 6.5.2. Setting PRIMARY SETTING / SYSTEM SETUP / PANEL SLEEP TIME Range OFF, 1 ~ 100 min [PANEL SLEEP TIME] >Interval(m): Default 5...
  • Page 102 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.6.2. Setting PRIMARY SETTING / SYSTEM SETUP / OPTO INPUT SET / I1 Func Range NONE, TRIP, … , OUT8 RESET [OPTO INPUT SET] >I1 Func: NONE Default NONE Step I1 Debounce: 0.02 I2 Func: NONE Enter the function of External input terminal Opto input can have following functions.

  • Page 103: Output Relay Set - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.7. Output Relay Set - Option 6.7.1. Description Menu to set External Output Terminal Function and Output type The output relay is available as an ordering option. Protective Elements Relay Setting ( 50.51,27,59...etc ) Function Occurrence Status LCD Display S/R LATCH Pulse T...
  • Page 104 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.7.2. Setting PRIMARY SETTING / SYSTEM SETUP / OUTPUT RELAY SET / O1 Func Range NONE, TRIP, … , NEQ FLT [OUTPUT RELAY SET] >O1 Func: NONE Default NONE Step O1 Type: S/R LATCH O1 Pulse T: 0.05 Enter the function of External output terminal.
  • Page 105 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / OUTPUT RELAY SET / O1 Pulse T 0.01 ~ 99.99 sec Range [OUTPUT RELAY SET] O1 Func: NONE Default 0.05 Step 0.01 sec O1 Type: S/R LATCH >O1 Pulse T: 0.05 Sets Duration time if OUTPUT TYPE is PULSE Output 2 ~ 8 is the same as above.

  • Page 106: Loop Control - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.8. Loop Control - Option The purpose of using LOOP CONTROL is to isolate a fault area and protect the normal operation area by coordinating with C/B or Recloser when a fault occurs. Loop control is able to provide automation system with using Sectionalizing Recloser, MID point Recloser, TIE point Recloser.
  • Page 107 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr LCD Initial Screen Recloser type that is selected in Loop control, are displayed on LCD Initial Screen. Press “ENT” KEY to check operation status on the Initial Screen to see loop control mode. LOOP CONTROL: [SEC] , [MID], [TIE] Display a selected type.
  • Page 108 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.8.1. Setting PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / Type Select Range NONE, SEC, MID, TIE [LOOP CONTROL] >Type Select: NONE Default NONE Step >VRS - S/M: >VRS - Tie: Select the Recloser Type and add Loop Control function. After selecting, press Program 1 Key to enable Loop Control.
  • Page 109 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / VS wire 3PN, 3PP, 1PN(A), 1PN(B), 1PN(C), 1PP(AB), 1PP(BC), 1PP(CA) Range [LOOP CONTROL] >VS Wire: Default 3PN Step >VL Wire: 1PN(A) >Cng Alt-Mid : Line VS Wire : Select Recloser’s Source side(A,B,C phase) voltage sensor(VD or VT) connection type.
  • Page 110 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / Cng Alt- Mid OFF, ON Range [LOOP CONTROL] >VS Wire: Default OFF Step >VL Wire: 1PN(A) >Cng Alt-Mid : Change Alternate Setting at Mid Point : Set Value is used in MID.
  • Page 111 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / LC After Cl DISABLE, ENABLE Range [LOOP CONTROL] >Cng Alt-Tie: Default DISABLE Step >LC After Cl:DISABLE >LC After Op:DISABLE Select After Manual Close : Setting value is used in SEC. To select Loop Control automatically enable after recloser is closed by Manual operation.
  • Page 112 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / Auto Rest’ T 1.00 ~ 600.00 sec Range [LOOP CONTROL] >OT Both DL: 10.00 Default 5.00 Step 0.01 sec >Auto Rest’ T: 5.00 >DL V Max(%): 50.0 Auto Restoration Time : Setting value is used in SEC, MID.
  • Page 113 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / DL Pickup T 1.00 ~ 600.00 sec Range [LOOP CONTROL] >LL V Min(%): 70.0 Default 50.00 Step 0.01 sec >DL Pickup T: 50.00 >LL Regain T: 10.00 Dead Bus Pickup Time Delay : During “DL Pickup T”, the line becomes Dead Line and “LL Regain T”...
  • Page 114 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / SYSTEM SETUP / LOOP CONTROL / NRT After LC 0.00 ~ 600.00 sec Range [LOOP CONTROL] >LL Regain T: 10.00 Default 10.00 Step 0.01 sec >DL Reset T: 5.00 >NRT After LC: 10.00 Non Reclose Time After LC Action : Setting values are used in MID, TIE.
  • Page 115 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.8.2. Loop Control Logic Diagram Figure 6-5. Sectionalizing Recloser Logic ENHANCED TECHNOLOGY...
  • Page 116 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Figure 6-6. MID Point Recloser Logic ENHANCED TECHNOLOGY...
  • Page 117 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Figure 6-7. TIE Point Recloser Logic ENHANCED TECHNOLOGY...
  • Page 118 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.8.3. Loop Control Application 5-Reclosers Loop Control For five reclosers loop control, it consists of 2 sets of SEC(Sectionalizing Recloser), 2 sets of MID(MIDpoint Reclosers) and 1 set of TIE(TIEpoint Recloser). Setting is in-turn form Source side to SEC-MID-TIE.
  • Page 119 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5-Reclosers Loop control at F1 Fault Figure 6-8. 5-Reclosers Loop Control at F1 Fault Step1 : When Permanent Fault occurs at F1, CB1 operates reclosing sequence and then Trip Lockouts. During CB1 operation, accumulates Dead line time and the accumulated time becomes “DL Pick T”.
  • Page 120 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5-Reclosers Loop control at F2 Fault Figure 6-9. 5-Reclosers Loop Control at F2 Fault Step1 : When Permanent Fault occurs at F2, SEC(RC1) operate reclosing sequence and tirp lockout. During SEC(RC1) operation, accumulate Dead line time, and the accumulated Dead line time becomes “DL Pick T”.
  • Page 121 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5-Reclosers Loop control at F3 Fault Figure 6-10. 5-Reclosers Loop Control at F2 Fault Step1 : When Permanent Fault occurs at F3, MID(RC2) operate reclosing sequence and tirp lockout. During MID(RC2) operation, accumulate Dead line time, and the accumulated Dead line time becomes “DL Pick T”.
  • Page 122 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3-Reclosers Loop Control For three - reclosers loop control, it consists of 2 sets of SEC(Sectionalizing Recloser), 1 set of TIE(TIEpoint Recloser). Setting is in-turn form Source side to SEC and to TIE. In “Table 6-4. 3-Reclosers Setting”, the source side bushings of RC1, RC2 are installed for CB1 side.
  • Page 123 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3-Reclosers Loop control at F1 Fault Figure 6-11. 3-Reclosers Loop control at F1 Fault Step1 : When Permanent Fault occurs at F1, CB1 operates reclosing sequence and then Trip Lockouts. During CB1 operation, accumulates Dead line time and the accumulated time becomes “DL Pick T”.
  • Page 124 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3-Reclosers Loop control at F2 Fault Figure 6-12. 3-Reclosers Loop control at F2 Fault Step1 : When Permanent Fault occurs at F2, SEC(RC1) operates reclosing sequence and then Trip Lockouts. During SEC(RC1) operation, accumulates Dead line time and the accumulated time becomes “DL Pick T”.

  • Page 125: Set Group Change - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.9. Set Group Change - Option Sometimes, Recloser can be installed reversely against Power Flow(supply). In this case, it is necessary to change Protection setting. EVRC2A has two options includes Primary Setting and Alternate Setting to help in this situation. And these settings can be selected automatically by “Set Group Change”...

  • Page 126: Power Quality - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6.10. Power Quality - Option Place the curser on “10. POWER QUALITY” in SYSTEM SETUP menu, press [ENT] button to move into this menu. Power Quality elements are set in this menu and sub-menu is as below. SYSTEM SETUP / POWER QUALITY / S-O Func (Option) Disable, Enable Range...
  • Page 127 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr SYSTEM SETUP / POWER QUALITY / SAG Duration (Option) 1~60 cycle Range > [POWER QUALITY] >SAG Func: Disable Default 5 Step >SAG Pickup: 0.80 >SAG Duration: Set a detect time for voltage sag(voltage low). SYSTEM SETUP / POWER QUALITY / SWL Func (Option) Range Disable, Enable >...
  • Page 128 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr SYSTEM SETUP / POWER QUALITY / UBI Pickup (Option) 1 ~ 100 % Range > [POWER QUALITY] >UBI Func: Disable Default 30 Step >UBI Pickup: >UBI Duration: Set a detect level of current unbalance for Power Quality. Current unbalance is calculated by following formula.
  • Page 129 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr SYSTEM SETUP / POWER QUALITY / UBV Func (Option) Disable, Enable Range > [POWER QUALITY] >UBV Func: Disable Default Disable Step >UBV Pickup: >UBV Duration: It is to set event recording of voltage unbalance enable or disable. NOTE : This setting is supported from version 6.12 of EVRC2A-N6,NT.

  • Page 130: Protection

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7. PROTECTION Protective Elements Block diagram - ANSI Designations Figure 7-1. Protective Elements Block Diagram - ANSI Designations ENHANCED TECHNOLOGY...
  • Page 131 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Protective Elements - ANSI Designations Table 7-1. Protective Elements -ANSI Designations Protective Elements ANSI Designations Four shot recloser Phase fast time overcurrent 51P1 Ground fast time overcurrent 51G1 Negative sequence fast time overcurrent 46(51)-1 Phase delay time overcurrent 51P2 Ground delay time overcurrent 51G2...

  • Page 132: Reclose (79)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.1. Reclose (79) After a fault has occurred, the Reclose element closes the recloser when the programmed reclose interval time expires. The number of operation lockout setting is programmed one to five, and each reclose shot has its own separate reclose interval timer. If the fault is permanent and the recloser continues to trip and reclose, the Reclose element will continue to increment the operating counter.
  • Page 133 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / OPERATIONS / Lockout-NEQ 1 ~ 5 Range [OPERATIONS] Lockout-GND: Default 4 Step Lockout-SEF: >Lockout-NEQ: Select the total number of the negative sequence trip operations. This setting is used to change the total number of the negative sequence trip operations.
  • Page 134 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / INTERVALS / Reclose 1 0.50 ~ 600.00 sec(prior to Ver 6.11 of EVRC2A) [INTERVALS] Range >Reclose 1: 0.60 0.10 ~ 600.00 sec(from Ver 6.11 of EVRC2A) Reclose 2: 2.00 Reclose 3: 15.00 Default 0.60 Step...
  • Page 135 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / INTERVALS / Reset T(LO) 1.00 ~ 600.00 sec Range [INTERVALS] Reclose 4: 15.00 Default 10.00 Step 0.01 sec Reset T(AR): 30.00 >Reset T(LO): 10.00 Select the Reset time for lockout. The auto reclose logic is disabled for a setting time delay after the recloser is manually/remotely closed.
  • Page 136 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.1.1. Lockout The lockout state occurs under any of the following conditions : After a fault of distribution systems, the RECLOSE ENABLED LED in user interface panel is not lighted(ON). When the high current lockout has occurred. The recloser is manually closed and a fault occurs before the expiration of the reset time.
  • Page 137 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.1.2. Reset If the faulted current is cleared before the lockout condition, the reclosing sequence automatically reset after passing the reset time interval. If the fault condition occurs again during the reset time, the recloser will operate lockout after the completion of the remaining sequence.

  • Page 138: Phase (Fast/Delay) Time Overcurrents (51P)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.2. Phase (Fast/Delay) Time Overcurrents (51P) The EVRC2A has two phase time overcurrent elements. The phase time overcurrent element contained in the EVR2A, is set based on CT secondary current as connected to the current inputs. The phase time overcurrent element is the most commonly used as a protective element for distribution systems and also used in both down-line and back-up recloser protection.
  • Page 139 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Phase Pickup Current Setup The following setting is used to program the phase pickup current. PRIMARY SETTING / PROTECTION / PICKUP CURRENT / Phase Range OFF, 10 ~ 1600A [PICKUP CURRENT(A)] >Phase: Default 500 Step Ground: S.E.F: Set the pickup current of Phase Time Overcurrent elements.
  • Page 140 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / PHASE FAST / Curve ANSI-MI, ANSI-NI, … , KG(165) Range [PHASE FAST] Function: TRIP Default ANSI-STI Step Relays(0-8): >Curve: ANSI-STI Select the desired curve type : ANSI : Moderately, Normally, Very, Extremely, Short Inverse, Definite Time(1s ,10s) IEC : Standard, Very, Extremely, Long, Short Inverse ESB : Normally, Very, Long Very Inverse...
  • Page 141 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / PHASE FAST / Reset Method INST, LINEAR Range [PHASE FAST] Time Adder: 0.00 Default INST Step M.R.T: 0.00 >Reset Method: INST Overcurrent tripping time calculations are made with an internal energy Capacity memory variable.

  • Page 142: Ground (Fast/Delay) Time Overcurrent (51G)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.3. Ground (Fast/Delay) Time Overcurrent (51G) The EVRC2A has two ground time overcurrent elements. The ground time overcurrent element in the EVRC2A is set based on CT secondary current as connected to the current inputs. The ground time overcurrent element is the most commonly used as a protective element for distribution systems and also used in both down-line and back-up recloser protection.
  • Page 143 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Ground Pickup Current Setup The following setting is used to program the phase pickup current. PRIMARY SETTING / PROTECTION / PICKUP CURRENT / Ground Range OFF, 10 ~ 1600A [PICKUP CURRENT(A)] >Phase: Default 250 Step >Ground: S.E.F: Set the pickup current of Ground Time Overcurrent elements.
  • Page 144 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / GROUND FAST / Time Dial 0.05 ~ 15.00 Range [GROUND FAST] Relays(0-8): Default 0.50 Step 0.01 Curve: ANSI-STI >Time Dial: 0.50 A time dial set point allows shifting of the selected base curve in the vertical time axis.
  • Page 145 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / GROUND FAST / Low Set Definite Time OFF, 1 ~ 600sec Range [GROUND FAST] >M.R.T: 0.00 Default OFF Step 1sec >Reset Method: INST >Low Set DT: Low set definite time is used to restrict a trip time to be a definite time adjacent to a pickup current by T-C curve.

  • Page 146: Sensitive Earth Fault (Sef)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.4. Sensitive Earth Fault (SEF) The sensitive earth fault (SEF) is applicable to systems that have restricted current flow for phase to earth fault. The SEF is not applicable to the case in 4 wire multi-earthed systems. The sensitivity of SEF element for non-earthed systems is dependent upon available fault current and the accuracy of CTs.
  • Page 147 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr SEF Element Setup PRIMARY SETTING / PROTECTION / SEF ELEMENT / Function TRIP, TR&AR Range [ SEF ELEMENT ] >Function: TRIP Default TRIP Step Relays(0-8): Time Delay: 1.00 If function = Trip, the feature is operational. When the feature asserts a TRIP condition, Trip operates.

  • Page 148: Negative Sequence (Fast/Delay) Time Overcurrent (46)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.5. Negative Sequence (Fast/Delay) Time Overcurrent (46) The EVRC2A has two negative sequence time overcurrent elements. The negative sequence element measures the amount of unbalance current in the system. The negative sequence overcurrent element can also be used to detect phase to ground and two phase ground faults. The negative sequence time overcurrent element provides a time delay versus current for tripping using that an inverse time curve characteristic is operated to coordinate, current pickup value, curve type, time dial, time adder, minimum response time setting, and reset type.
  • Page 149 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Negative Sequence Fast Time Overcurrent Setup The following setting is used to program the negative sequence fast time overcurrent element. PRIMARY SETTING / PROTECTION / NEG SEQ FAST / Function Range TRIP, TR&AR [NEG SEQ FAST] >Function: TRIP Default TRIP...
  • Page 150 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / NEG SEQ FAST / Time Adder 0.00 ~ 10.00 sec Range [NEG SEQ FAST] Curve: ANSI-STI Default 0.00 Step 0.01 sec Time Dial: 0.50 >Time Adder: 0.00 An additional time delay is added to the time delay resulting from the time overcurrent curve function.
  • Page 151 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Negative Sequence Delay Time Overcurrent Setup The negative sequence delay time overcurrent settings process is very similarly to the negative sequence fast time overcurrent. ENHANCED TECHNOLOGY...

  • Page 152: Phase High Current Trip (50P-1)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.6. Phase High Current Trip (50P-1) The EVRC2A has a phase high current trip element. The phase high current trip element in the EVRC2A, is set based on CT secondary current as connected to the current inputs. The phase high current trip element provides a definite time delay versus current.
  • Page 153 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C TRIP-PHA / Time Delay 0.00 ~ 10.00 sec Range [ H/C TRIP-PHA ] Relays(0-8): Default 0.00 Step 0.01 sec Pickup(A): 4000 >Time Delay: 0.00 The Time delay of phase high current trip setting programs a definite time delay for the phase high current trip.

  • Page 154: Ground High Current Trip (50G-1)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.7. Ground High Current Trip (50G-1) The EVRC2A has a ground high current trip element. The ground high current trip element in the EVRC2A is set based on CT secondary current as connected to the current inputs. The ground high current trip element provides a definite time delay versus current.
  • Page 155 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C TRIP-GND / Time Delay 0.00 ~ 10.00 sec Range [ H/C TRIP-GND ] Relays(0-8): Default 0.00 Step 0.01 sec Pickup(A): 4000 >Time Delay: 0.00 The Time delay of phase high current trip setting programs a definite time delay for the phase high current trip.

  • Page 156: Negative Sequence High Current Trip (46(50)-1)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.8. Negative Sequence High Current Trip (46(50)-1) The negative sequence high current trip in the EVRC2A is set based on CT secondary current as connected to the current inputs. The negative sequence high current trip element provides a definite time delay versus current.
  • Page 157 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C TRIP-NEQ / Time Delay 0.00 ~ 10.00 sec Range [ H/C TRIP-NEQ ] Relays(0-8): Default 0.00 Step 0.01 sec Pickup(A): 4000 >Time Delay: 0.00 The Time delay of phase high current trip setting programs a definite time delay for the phase high current trip.

  • Page 158: Phase High Current Lockout (50P-2)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.9. Phase High Current Lockout (50P-2) The EVRC2A has a phase high current lockout element. The phase high current lockout element in the EVRC2A is set based on CT secondary current as connected to the current inputs. The phase high current lockout element provides a definite time delay versus current.
  • Page 159 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C LOCKOUT-PHA / Pickup(A) 10 ~ 20000 A Range [ H/C LOCKOUT-PHA ] Function: Default 8000 Step Relays(0-8): >Pickup(A): 8000 Set the pickup current of Ground High Current Lockout Element. This value is the minimum operating current of Ground High Current Lockout Element.

  • Page 160: Ground High Current Lockout (50G-2)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.10. Ground High Current Lockout (50G-2) The EVRC2A has a ground high current lockout element. The ground high current lockout element in the EVRC2A, is set based on CT secondary current as connected to the current inputs. The ground high current lockout element provides a definite time delay versus current.
  • Page 161 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C LOCKOUT-GND / Time Delay 0.00 ~ 10.00 sec Range [ H/C LOCKOUT-GND ] Relays(0-8): Default 0.00 Step 0.01 sec Pickup(A): 8000 >Time Delay: 0.00 The Time delay of phase high current trip setting programs a definite time delay for the phase high current trip.

  • Page 162: Negative Sequence High Current Lockout (46(50)-2)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.11. Negative Sequence High Current Lockout (46(50)-2) The EVRC2A has a negative sequence high current lockout element. Negative sequence high current lockout element in the EVRC2A is set based on CT secondary current as connected to the current inputs.
  • Page 163 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / H/C LOCKOUT-NEQ / Pickup(A) 10 ~ 20000 A Range [ H/C LOCKOUT-NEQ ] Function: Default 8000 Step Relays(0-8): >Pickup(A): 8000 Set the pickup current of Negative Seq. High Current Lockout Element. This value is the minimum operating current of Negative Seq.

  • Page 164: Cold Load Pickup

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.12. Cold Load Pickup The cold load pickup function is used to prevent the recloser from incorrectly operating caused by the restoration of load supply or the cold load current of load side. EVRC2A provides “CLPU-Type 1” to prevent the recloser from operating wrong by instantaneous inrush current occurring by the closing of device on a power line and “CLPU-Type 2”...
  • Page 165 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr is applied when a load current becomes 0 and then it is restored after certain outage time. If “NO” is set, the algorithm is applied when a recloser is opened and then after certain outage time, the recloser is closed manually.
  • Page 166 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr If the over current is below cold load pickup current and overcurrent pickup current, protection functions are not operated during a period of Restore minimum Time (RMT), (Refer the Inrush Current 2 in “Figure 7-5. The Restore Minimum Time Characteristic”). After RMT, the protection functions are operated.
  • Page 167 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.12.2. Cold Load Pickup – Type 2 In the state of cold load, this type is used to restrain the operation of protection functions to over current occurring by change of load (the close of a switch on long-distance line, incoming heavy load etc.).
  • Page 168 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Figure 7-6. Cold Load Multipilier 7.12.3. Cold Load Pickup Setup The Cold Load Pickup feature in the following settings should be enabled. CLPU COMMON Setup PRIMARY SETTING / PROTECTION / COLD LOAD PICKUP / CLPU-COMMON/ Function Range OFF, TRIP, TR&AR [CLPU-COMMON]...
  • Page 169 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / COLD LOAD PICKUP / CLPU-COMMON/ Make use ‘I’ NO,YES Range [CLPU-COMMON] Function: TRIP Default NO Step Relays(0-8): >Make use ‘I’: This setting changes the point of time to activate a cold load pickup function.
  • Page 170 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / COLD LOAD PICKUP / CLPU-TYPE1/ NEQ 10 ~ 20000A Range [CLPU-TYPE1] GND(A): 2000 Default 2000 Step SEF(A): 2000 >NEQ(A): 2000 Selects the raised pickup current for the negative sequence overcurrent element while cold load pickup feature is activated. PRIMARY SETTING / PROTECTION / COLD LOAD PICKUP / CLPU-TYPE1 / Outage Time 0.00 ~ 600.00 sec Range...
  • Page 171 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr ※. NOTE : RMT Func-GND, RMT Func-SEF and RMT Func-NEG, the same as RMT Func- PHA above. PRIMARY SETTING / PROTECTION / COLD LOAD PICKUP / CLPU-TYPE1 / Reset Time Range 0.00 ~ 600.00 sec [CLPU-TYPE1] RMT Func-SEF: Default 0.60 Step...

  • Page 172: Directional Controls (67)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.13. Directional Controls (67) The directional Controls provide time protection in the direction of power flow. The directional Controls are necessary for the protection of multiple feeders, when it has the necessity of finding faults in different directions. The directional controls are composed of phase, neutral, sensitive ground, and negative sequence overcurrent elements.
  • Page 173 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Polarizing Referance Voltage: Typical Fault Angle Maximum Torque Angle : set 300 degree Figure 7-8. Phasor Diagram for I Directional Polarization The phase direction control in the following four settings should be enabled. PRIMARY SETTING / PROTECTION / DIRECTION / PHASE DIRECTION / Type Range OFF, FOR, REV [PHASE DIRECTION]...
  • Page 174 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / DIRECTION / PHASE DIRECTION / M.P.V 0 ~ 1.25 xVT(secondary nominal voltage) Range [PHASE DIRECTION] Type: Default 0.20 Step 0.01 M.T.A: >M.P.V: 0.20 Enter the minimum polarizing voltage as a fraction of the secondary nominal voltage.
  • Page 175 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr The following diagram shows the phasor diagram for I directional polarization in the complex plane. Fault Current Polarizing Referance Voltage: Figure 7-9. Phasor Diagram for I Directional Polarization The ground direction control in the following four settings should be enabled. PRIMARY SETTING / PROTECTION / DIRECTION / GROUND DIRECTION / Type Range OFF, FOR, REV...
  • Page 176 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / DIRECTION / GROUND DIRECTION / M.T.A 0 ~ 359 degree Range [GROUND DIRECTION] Type: Default 135 Step 1 degree >M.T.A: M.P.V: 0.20 Enter the maximum torque angle, The maximum torque angle setting determines the range of current direction for the polarized voltage.
  • Page 177 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.13.3. SEF Directional Controls (67SEF) The SEF direction control process a very similar method to the ground directional controls. 7.13.4. Negative Sequence Directional Controls (67(46)) The negative sequence voltage V provides the direction of negative sequence pole in the power system.
  • Page 178 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Fault Current Maximum Torque Angle : set 135 degree Polarizing Referance Voltage: Figure 7-10. Phasor Diagram for I Directional Polarization The negative sequence directional controls in the following four settings should be enabled. PRIMARY SETTING / PROTECTION / DIRECTION / NEQ DIRECTION / Type Range OFF, FOR, REV [NEQ DIRECTION]...
  • Page 179 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / DIRECTION / NEQ DIRECTION / M.P.V 0 ~ 1.25 xVT(secondary nominal voltage) Range [NEQ DIRECTION] Type: Default 0.20 Step 0.01 M.T.A: >M.P.V: 0.20 Enter the minimum polarizing voltage. For systems with high-resistance grounding or floating neutrals, this M.P.V will be approximately 0.20 x VT.

  • Page 180: Undervoltage (27)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.14. Undervoltage (27) Two undervoltage elements are provided for trip, alarm and control when the voltage drops below a specified voltage for a specified time. The undervoltage element can be ON or OFF in the Primary, Alternate settings. The undervoltage element can be selected the type of operation required with any one phase, any two phase and three phase.
  • Page 181 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / VOLTAGE / UNDER VOLTAGE 1 / Pickup(xVT) 0.00 ~ 1.25 × VT(secondary nominal voltage) Range [UNDER VOLTAGE 1] Function: Default 0.70 Step 0.01 Relays(0-8): >Pickup(xVT): 0.70 Enter the pickup value as a fraction of the secondary nominal voltage. For example, if the secondary nominal voltage is 100V, and an alarm is required whenever the voltage goes below 70V, enter(70/100) = 0.70 ×...

  • Page 182: Overvoltage (59)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.15. Overvoltage (59) Two overvoltage elements are provided for trip, alarm and control when the voltage rises above a specified voltage for a specified time. The overvoltage element can be ON or OFF in the Primary, Alternate settings . The overvoltage element can be selected the type of operation required with any one phase, any two phase and three phase.
  • Page 183 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / VOLTAGE / OVER VOLTAGE 1 / Time Delay 0.00 ~ 600.00 sec Range [OVER VOLTAGE 1] Relays(0-8): Default 5.00 Step 0.01 sec Pickup(xVT): 1.20 >Time Delay : 5.00 Set the definite time delay. PRIMARY SETTING / PROTECTION / VOLTAGE / OVER VOLTAGE 1 / Pickup Type Range 1P, 2P, 3P...

  • Page 184: Frequency(81)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.16. Frequency(81) EVRC2A has underfrequency and overfrequency elements to detect unusual frequency in power system. Explanation for each element is below. Underfrequency (81U) Underfrequency element is provided for trip, alarm and control when the frequency drops below a specified frequency setting for a specified time delay.
  • Page 185 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / FREQUENCY / Relays(0-8) OFF, 0 ~ 8 Range [FREQUENCY] Function: Default OFF Step >Relays(0-8): Under Pu(Hz): 55.00 Selects the relays required to operate when the feature generates a Trip. PRIMARY SETTING / PROTECTION / FREQUENCY / Underfreqency Pickup(Hz) Range 40.00 ~ 60.00 Hz [[FREQUENCY]...
  • Page 186 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / FREQUENCY / Min. V(xVT) 0.00 ~ 1.25 Range [FREQUENCY] >Over TD: 6.00 Default 0.10 Step 0.01 >Min. V(xVT): 0.10 >Min. I(A): Enter the minimum voltage required to allow the frequency element to Operate.

  • Page 187: Other Element

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.17. Other Element 7.17.1. Sequence Coordination When several Reclosers are connected in series to protect distribution systems, EVRC2A contains Sequence Coordination feature which can prevent the simultaneous trip operations in both of Back-up and Down-line Reclosers due to phase/ground fault. Sequence Coordination feature is activated only if one out of several Down-line Reclosers connected to one Back-up Recloser detects a fault current.
  • Page 188 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr As shown in “Figure 7-11. Sequence Coordination Operation Block Diagram”, if Sequence Coordination feature at Back-up Recloser is enabled and a phase/ground fault occurs in distribution systems, the Back-up Recloser operates timing counter by overcurrent elements. During the count at the Back-up Recloser, if the distribution system is restored to normal by TRIP with Down-line Recloser, the number of the trip operations of Back-up Recloser is increased one step.
  • Page 189 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / PROTECTION / OTHER ELEMENT / F/I Reset AUTO, MANUAL Range [OTHER ELEMENT] Seq’ Coordi’: Default AUTO Step L.O Priority: >F/I Reset: AUTO Faulted Indicator reset method AUTO : Reset shall be performed by pressing [FI RESET] button or shall be performed automatically after High Voltage line becomes normal.

  • Page 190: Time Overcurrent Curves

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.18. Time Overcurrent Curves The EVRC2A is equipped Standard ANSI/IEEE curves, IEC curves, ESB curves, user-defined curves and all 37 non standard recloser curves are available. A Configuration setting determines whether elements set to use ANSI/IEEE curves, IEC curves, ESB curves, user-defined curves reset instantaneously, or corresponding with electromechanical.
  • Page 191 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Related Setting Menu 1) USER CURVE 1 PRIMARY SETTING / PROTECTION / USER CURVE SET / USER CURVE 1 / Factor a Range 0.0000 ~ 150.9999 [USER CURVE 1] >Factor a: 59.5000 Default 59.5000 Step 0.0001 Factor b: 2.0000 Factor r:...
  • Page 192 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Standard Curve Coefficients Table 7-3. ANSI/IEEE Curves α β γ Moderately Inverse 0.0107 0.020 0.0231 1.0700 Normally Inverse 5.9500 2.000 0.18 5.9500 Very Inverse 3.985 2.000 0.095 3.985 Extremely Inverse 5.9100 2.000 0.0345 5.9100 Short Time Inverse 3.56e-3 0.02 1.95e-2...
  • Page 193 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 7-7. Definite Time Curves α β γ Definite Time 1sec Definite Time 10sec 10.0 10.0 Table 7-8. Non Standard Curves McGraw-Edison recloser curves Phase Ground ENHANCED TECHNOLOGY...
  • Page 194 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 1) ANSI/IEEE Moderately Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI MODERATELY INVERSE CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.09 0.09 0.05 0.08 0.08 0.07...
  • Page 195 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2) ANSI/IEEE Normally Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI NORMALLY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.09 0.50 0.09 0.08 0.08...
  • Page 196 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3) ANSI/IEEE Very Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.09 0.09 0.08 0.08 0.07 0.07...
  • Page 197 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 4) ANSI/IEEE Extremely Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI EXTREMELY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 0.09 0.09 0.08 2.00 0.08 0.07 0.07...
  • Page 198 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 5) ANSI/IEEE Short Time Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI SHORT TIME INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 0.09 0.09 0.08 0.08...
  • Page 199 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6) ANSI/IEEE Short Time Very Inverse Curves RECLOSER CLEARING TIME CURVE : ANSI SHOTR TIME VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 0.09 0.09...
  • Page 200 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7) IEC Standard Inverse Curves RECLOSER CLEARING TIME CURVE : IEC STANDARD INVERSE CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS OR 0.01 SECONDS 0.05 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02...
  • Page 201 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8) IEC Very Inverse Curves RECLOSER CLEARING TIME CURVE : IEC VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 1 . 0 0 0 . 8 0 . 7 0 . 6 0 .
  • Page 202 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 9) IEC Extremely Inverse Curves RECLOSER CLEARING TIME CURVE : IEC EXTREMELY INVERSE CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 1 . 0 0 0.08 0.08 0.07 0.07 0 . 8 0.06 0 .
  • Page 203 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10) IEC Long Time Inverse Curves RECLOSER CLEARING TIME CURVE : IEC LONG TIME VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 1 . 0 0 0 . 8 0 . 7 0 .
  • Page 204 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 11) IEC Short Time Inverse Curves RECLOSER CLEARING TIME CURVE : IEC SHORT TIME INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 1.00 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04...
  • Page 205 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12) ESB Inverse Curves RECLOSER CLEARING TIME CURVE : ESB INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.50 0.09 0.09 0.08 0.08 0.07 0.07...
  • Page 206 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13) ESB Very Inverse Curves RECLOSER CLEARING TIME CURVE : ESB VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.09 0.09 0.08 0.08 0.07 0.07 0.06...
  • Page 207 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 14) ESB Long Time Very Inverse Curves RECLOSER CLEARING TIME CURVE : ESB LONG TIME VERY INVERSE CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 15.00 13.00 11.00 9.00 7.00 5.00 4.00 3.00 2.00 1.00 0.50...
  • Page 208 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 15) Definite Time Curves (D1, D2) RECLOSER CLEARING TIME CURVE : D1, D2 CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03 0.03 0.02...
  • Page 209 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 16) Non Standard Curves (A, B, C, D, E) RECLOSER CLEARING TIME CURVE : A, B, C, D, E CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05...
  • Page 210 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 17) Non Standard Curves (KP, L, M, N) RECLOSER CLEARING TIME CURVE : KP, L, M, N CURVES ARE AVERAGE CLEARING TIME ± VARIATIONS 5% OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04...
  • Page 211 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 18) Non Standard Curves (P, R, T, V) RECLOSER CLEARING TIME CURVE : P, R, T, V CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04...
  • Page 212 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 19) Non Standard Curves (W, Y, Z) RECLOSER CLEARING TIME CURVE : W, Y, Z CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04 0.03...
  • Page 213 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 20) Non Standard Curves (1, 2, 3, 4, 5) RECLOSER CLEARING TIME CURVE : 1, 2, 3, 4, 5 CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05...
  • Page 214 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 21) Non Standard Curves (6, 7, 8, 8*, 9) RECLOSER CLEARING TIME CURVE : 6, 7, 8, 8*, 9 CURVES ARE AVERAGE CLEARING TIME ± 5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05...
  • Page 215 RECLOS SER CONTR ROL EVRC2A A-N6,NT http p://www.ent tecene.co.kr 22) N Non Standard d Curves (11, , 13, 14, 15, 16, 17, 18) Figure 7-33 3. Non Stand dard Curves s (11, 13, 14, 15, 16, 17, 1 ENHA ANCED TEC CHNOLOGY...
  • Page 216 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 23) Non Standard Curves (F, H, J, KG) RECLOSER CLEARING TIME CURVE : F, H, J, KG CURVES ARE AVERAGE CLEARING TIME ±5% VARIATIONS OR 0.01 SECONDS 0.09 0.09 0.08 0.08 0.07 0.07 0.06 0.06 0.05 0.05 0.04 0.04...

  • Page 217: Loss Of Phase - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7.19. Loss of Phase - Option EVRC2A has a loss of phase element. The element is provided for trip, alarm and control when loss of phase is occurred. Loss of Phase can be turned on and off by Primary and Alternate settings and is an optional element depending on the specification of EVRC2A.

  • Page 218: Monitoring

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8. MONITORING EVRC2A has Monitoring function for following items and also has functions for user to output Alarm signal or Trip signal. DEMAND SYNCHRO CHECK TRIP COUNTER RECLOSER WEAR BATTERY TEST FAULT LOCATOR GAS LOW LOCK – Option EXT’...
  • Page 219 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2) Alarm Output Relay Setting Select Relay output for alarm. PRIMARY SETTING / MONITORING / DEMAND / Relays(0-8) Range OFF, 0 ~ 8 [DEMAND] Function: Default OFF Step >Relays(0-8): Type: Maximum 4 of Relay outputs can be selected to operate output signal. 0000 : No Output Relay is selected.
  • Page 220 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 6) Ground demand pickup current Setting Setting for Ground demand pickup current. PRIMARY SETTING / MONITORING / DEMAND / GND PU(A) Range OFF, 10 ~ 1600A [DEMAND] Time Constant(m): 5 Default 300A Step PHA PU(A): >GND PU(A): Set Ground demand pickup current.

  • Page 221: Synchronism Check (25)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.2. Synchronism Check (25) EVRC2A provides the manual close for the synchronism check element that synchronism voltages are within the programmed differentials of voltage magnitude, phase angle position, and frequency. If this feature is enabled, the synchronism check will be performed before local/remote close with the exception of automatic reclose for fault.
  • Page 222 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / MONITORING / SYNCHROCHECK / L.V.Min(xVT) 0.00 ~ 1.25 Range [SYNCHROCHECK] Relays(0-8): Default 0.85 Step 0.01 D.V.Max(xVT): 0.50 >L.V.Min(xVT): 0.85 Enter the live line minimum voltage for synchronism check. Used to activate the synchronism check element for voltage over this level.

  • Page 223: Trip Counter

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.3. Trip Counter 8.3.1. Trip Counter Explanation EVRC2A records counter related with System operation. Especially Trip Counter is operated depending on Monitoring function set by user. Trip : Records trip operation count Fault : Records Fault count System Restart : Records system restart count MAIN MENU / MAINTENANCE / COUNTERS [ COUNTER ]...
  • Page 224 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 3) Limit value Setting Setting for Trip Counter Monitor value. PRIMARY SETTING / MONITORING / TRIP COUNTER / Limit Range 1 ~ 20000 [TRIP COUNTER] Function: Default 10000 Step Relays(0-8): >Limit: 10000 Select for system to operate when Trip Counter limit value was picked 4) Clear value Setting Use to synchronize EVRC2A counter with Recloser Counter.

  • Page 225: Recloser Wear

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.4. Recloser Wear 8.4.1. Recloser Wear Explanation Maintenance of contact life of Recloser. Manages the contact life calculated from fault current size when faults interrupted. The initial value is 100% MAIN MENU / MAINTENANCE / WEAR MONITOR User can confirm in [WEAR MONITOR (%)] 1.CONTACT A :...
  • Page 226 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 4) Interrupter capacity setting PRIMARY SETTING / MONITORING / RECLOSER WARE / Interrupt(kA) Range 5.0 ~ 50.0 kA [RECLOSER WEAR] Pickup(%): 20.0 Default 16 Step 0.1 kA Rated Volt(kV): >Interrupt(kA): 12.5 Enter the capacity of rated Interrupter. 5) Maximum Rated Interruption Number Setting PRIMARY SETTING / MONITORING / RECLOSER WARE / No.

  • Page 227: Battery Test

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 7) Stored value Clear Select “8. WEAR MONITOR” in “PRIMARY SETTING / RELAY SETUP / CLEAR SAVED DATA” to clear value. Insert the value set in “PRIMARY SETTING / MONITORING / RECLOSER WEAR / A, B, C Wear” from LCD menu. 8.5.

  • Page 228: Fault Locator

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.6. Fault Locator The fault locator calculates the distance to the fault. When fault occurs the magnitude and the phase of voltage and current are varied, and then fault type(phase to ground, (phase to phase to ground), phase to phase, three phase) can be determined by the analysis of these variations, and fault distance can be calculated by the estimation of the apparent impedance.
  • Page 229 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr The fault locator settings are as follows : PRIMARY SETTING / MONITORING / FAULT LOCATOR \ Function Range OFF, ON [FAULT LOCATOR] >Function : Default OFF Step Length(km) : 50.0 Z1(RES) : 10.0 If function = OFF, the feature is not operational. If function = ON, the feature is operational.

  • Page 230: Gas Low Lock - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 8.7. Gas Low Lock - Option PRIMARY SETTING / MONITORING / GAS LOW LOCK / Function DISABLE,ENABLE Range [GAS LOW LOCK] >Function: DISABLE Default DISABLE Step If function = ENABLE, EVRC2A can’t be opened or closed on the gas pressure low status (below 0.1bar).

  • Page 231: Live Load Block - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr PRIMARY SETTING / MONITORING / EXT’ Trip & Lock \ Reset Method 0:LOCAL,1:LO&RE Range [EXT’ Trip & Lock] >Function: DISABLE Default LOCAL Step >USE Inputport: >Reset Method: LOCAL LOCAL : By pushing [FI Reset] Key on the panel, the close lock is released.

  • Page 232: Status

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 9. STATUS This menu shows the current status of EVRC2A like below OPTO INPUTS RELAY OUTPUTS CLOCK CONTROL TYPE 9.1. OPTO Inputs Move to “MAIN MENU / STATUS / OPTO INPUTS” to see external input port status.. STATUS / OPTO INPUTS Display 8 input port statuses.

  • Page 233: Clock

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 9.3. Clock Move to “MAIN MENU / STATUS / CLOCK” to see current time. The “CLOCK” menu screen can vary according to the EVRC2A version. Prior to Ver 6.15 of EVRC2A STATUS / CLOCK Check current time [CURRENT TIME] 2009/11/05 21:02:38 From Ver 6.15 of EVRC2A...

  • Page 234: Control Type

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 9.4. Control Type Move to “MAIN MENU / STATUS / CONTROL TYPE” to see EVRC2A information. STATUS / CONTROL TYPE Preset EVRC2A in information is displayed. [CONTROL TYPE] EVRC2A information screen consists of 2 screens, first screen shows EVRC2A-Mn-xxxxxxx- 5xxSLLHP-xXN13DxXX firmware option, second screen shows firmware version.

  • Page 235: Metering

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10. METERING The following values are contained in the metering elements of EVRC2A. Current Voltage(Source Side, Load Side) Frequency Synchronism Voltage Power Energy Demand System Harmonics Unbalance NOTE : Unbalance is supported from version 6.12 of EVRC2A-N6,NT. ENHANCED TECHNOLOGY...

  • Page 236: Metering Elements

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1. Metering Elements 10.1.1. Current The following values are contained in the current metering. IA : Displays the measured phase A RMS current and phasor (A, Lag) IB : Displays the measured phase B RMS current and phasor (A, Lag) IC : Displays the measured phase C RMS current and phasor (A, Lag) IG : Displays the measured ground RMS current and phasor (A, Lag) ISG : Displays the measured sensitive earth RMS current and phasor (A, Lag)
  • Page 237 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1.2. Voltage(Souce Side, Load Side) The following values are contained in the voltage metering. A-N : Displays the measured A-N RMS voltage and phasor(㎸, Lag) B-N : Displays the measured B-N RMS voltage and phasor(㎸, Lag) C-N : Displays the measured C-N RMS voltage and phasor(㎸, Lag) A-B : Displays the measured A-B RMS voltage and phasor(㎸, Lag) B-C : Displays the measured B-C RMS voltage and phasor(㎸, Lag)
  • Page 238 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1.3. Frequency The following values are contained in the frequency metering. Frequency(㎐) Frequency decay rate(㎐/Sec) You can confirm in “MAIN NEMU / METERING / FREQUENCY” MAIN MENU / METERING / FREQUENCY [FREQUENCY (Hz)] 0.00 Frequency Display 0.00 Hz/Sec 10.1.4.
  • Page 239 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1.5. Power The following values are contained in the power metering. Real power(MW) Reactive power(Mvar) Apparent power(MVA) Power factor(%) You can confirm in “MAIN NEMU / METERING / POWER” MAIN MENU / METERING / POWER [REAL POWER (MW)] [REACTIVE POW(MVAR)] [APPARENT POW(MWA)] Pa: 0.00...
  • Page 240 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr You can confirm in “MAIN NEMU / METERING / ENERGY” MAIN MENU / METERING / ENERGY [POSITIVE W/H(MWh)] [POSITIVE V/H(MVar)] [NEGATIVE W/H(MWh)] 0 Pb: 0 Pb: 0 Pb: 0 Pb: 0 Pb: 0 Pb: SD:09/12/31 00:00:00 SD:09/12/31 00:00:00 SD:09/12/31 00:00:00 [NEGATIVE V/H(MVar)]...
  • Page 241 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr You can confirm in “MAIN NEMU / METERING / DEMEND” MAIN MENU / METERING / DEMAND [PHASE A CURRENT] [PHASE B CURRENT] [DEMAND CURRENT (A)] DEMAND: DEMAND: 0 B: 0 G: 10/01/01 00:00:00 10/01/01 00:00:00 0 I2: [PHASE C CURRENT] [PHASE SG CURRENT] [PHASE G CURRENT]...
  • Page 242 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1.8. System The following values are contained in the system metering. Board power(±12, +5V) Temperature(℃) Battery voltage(V) Gas pressure(Bar) NOTE : According to recloser type, there may be no gas pressure measurement. You can confirm in “MAIN NEMU / METERING / SYSTEM” MAIN MENU / METERING / SYSTEM System metering display.
  • Page 243 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.1.10. Harmonics The following values are contained in harmonics metering. Harmonic of Current Harmonic of Voltage THD of Current THD of Voltage You can confirm in “MAIN NEMU / METERING / HARMONICS” MAIN NEMU / METERING / HARMONICS Current and Voltage Harmonics display.
  • Page 244 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Current-B(C) The same Menu as “Current-A” function. You can confirm in “MAIN NEMU / METERING / HARMONICS / Current-B(C)”. Voltage-A You can confirm in “MAIN NEMU / METERING / HARMONICS / Voltage-A”. MAIN MENU / METERING / HARMONICS / Current-A This menu is to display the 1 harmonic and THD of voltage in phase A.

  • Page 245: Accuracy

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 10.2. Accuracy The harmonic components of current and voltage are removed from the input voltage and current parameters, so all measurements based on these quantities respond to the fundamental components only. Table 10-1. Metering Accuracy(1/2) Measurements Parameters Unit Accuracy...
  • Page 246 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 10-1. Metering Accuracy(2/2) Measurements Parameters Unit Accuracy Range A-N (A-B) Source Voltage FREQUENCY 40.00~70.00 ㎐ ±0.02 R-N (R-S) Load Voltage 0% to 100% ±1% Harmonic of Current ±1% 0% to 100% Harmonic of Voltage – HARMONICS THD of Current 0% to 100%...

  • Page 247: Maintenance

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 11. MAINTENANCE EVRC2A has maintenance function for following items. COUNTERS WEAR MONITOR OUTPUT RELAY TEST POWER QUALITY - Option 11.1. Counters EVRC2A records counter related with system operation. The recorded counter items are below. In order to check counter information, go to “MAINTENANCE / COUNTERS”. For more detail information, refer to “8.3.1.

  • Page 248: Output Relay Test

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 11.3. Output Relay Test EVRC2A is capable to perform the output test of the relay output ports(1~8). For the output test, go to “MAINTENANCE / OUTPUT RELAY TEST” menu. MAINTENANCE / OUTPUT RELAY TEST Select output signal at ① for testing. ①...

  • Page 249: Power Quality - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 11.4. Power Quality - Option 11.4.1. Power Quality Explanation EVRC2A records the related number of times and duration when the outage or sag/swell/unbalance occurs. Especially Supply Outage and Power Quality counter are operated depending on power quality function set in “SYSTEM SETUP” menu. User can confirm in “MAIN MENU/ MAINTENANCE/POWER QUALITY”.
  • Page 250 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 11.4.2. Related Setting Menu 1) Function Setting For more details, please refer to “6.10 Power Quality-Option”. 2) Stored Value Clear Select “10. P-Quality Count” in “PRIMARY SETTING / RELAY SETUP / CLEAR SAVED DATA” to clear the Supply Outage Counter and Power Quality Counter. ENHANCED TECHNOLOGY...

  • Page 251: Event Recorder

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12. EVENT RECORDER EVRC2A has recording function for following items. FAULT CYCLE WAVEFORM CAPTURE SYSTEM EVENT RECORDER LOAD PROFILE DIAGNOSTIC EVENT RECORDER FAULT TRIP - Option POWER QUALITY - Option 12.1. Waveform Capture In case of Fault, Waveform Capture records 32 Data of 15-Cycle with 16-Smple per 1 Cycle resolution.
  • Page 252 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr MAIN MENU / EVENT RECORDER / FAULT CYCLE Move to ”MAIN MENU / EVENT RECORDER / FAULT CYCLE” to Ⓐ see Fault cycle summary [NO-①] ② ③ IB: ③ To see previous value, press [▲] key. ③...
  • Page 253 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.1.1. Trigger Source Occurred Protection element pickup Occurred Fault trip command active Depending on pickup size, if interval between pickup and trip is within 15 cycles including prefault cycles(4 cycles), then record pickup cycles. But if the interval between pickup and trip are not within 15 cycles, then record pickup cycles and trip cycles.
  • Page 254 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 2) Pre-fault length Setting User sets the length of pre-fault before Trigger. PRIMARY SETTING / RELAY SETUP \ EVENT RECORDER \ Len' of Pre F Range 0 ~ 14 [EVENT RECORDER] Fault Cycle: Default 4 Step >Len' of Pre F: Load Profile: Usually sets 4 cycles as default.

  • Page 255: System Event Recorder

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.2. System Event Recorder Record changes of system status up to 2048 lists when trigger source asserted and deasserted. MAIN MENU / EVENT RECORDER / SYSTEM STATUS Confirm in [NO-0001] SLEEP MODE STATUS : LO/DEASSERT ”MAIN MENU / EVENT RECORDER / SYSTEM STATUS” DATE : 10/01/22 TIME : 19:51:58:387 12.2.1.
  • Page 256 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.2.6. Interface software Interface software shows system status events. Figure 12-2. System Status Events showed by Interface Software ENHANCED TECHNOLOGY...

  • Page 257: Load Profile

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.3. Load Profile Record the Demand value when reaches in setting time (5, 10, 15, 20, 30, 60minute). Load profile has 5120 Banks that can store values of 213 days if setting time is 60minute. LOAD PROFILE ①...
  • Page 258 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.3.4. Related Setting Menu 1) ON/OFF Setting Load Profile can be set ON/OFF by user. PRIMARY SETTING / RELAY SETUP / EVENT RECORDER / Load Profile Range OFF, ON [EVENT RECORDER] Fault Cycle: Default ON Step Len' of Pre F: >Load Profile: ON : Records load profile.
  • Page 259 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.3.6. Interface software Interface software shows load profile data. Figure 12-3. Load Profile Data showed by Interface Software ENHANCED TECHNOLOGY...

  • Page 260: Diagnostic Event Recorder

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.4. Diagnostic Event Recorder Record diagnostic events up to 512 lists when trigger source asserted and deasserted. MAIN MENU / EVENT RECORDER / DIAGNOSTIC Confirm in [NO-001] GAS HIGH STATUS : LO/DEASSERT ”MAIN MENU / EVENT RECORDER / DIAGNOSTIC” DATE : 10/01/22 TIME : 19:51:58:387 12.4.1.
  • Page 261 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.4.6. Interface software Interface software shows Diagnostic events. Figure 12-4. Diagnostic Events showed by Interface Software ENHANCED TECHNOLOGY...

  • Page 262: Fault Trip Event Recorder - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.5. Fault Trip Event Recorder - Option When fault trip occurs, fault time and fault current of each phase are recorded. MAIN MENU / EVENT RECORDER / FAULT TRIP Ⓐ Confirm in “MAIN MENU / EVENT RECORDER / FAULT TRIP”. To see previous value, press [▲] key.
  • Page 263 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.5.2. Trigger Time Monitors status of Trigger source in every 1/4 cycle 12.5.3. Storage Capacity Stores last 512 events. 12.5.4. Related Setting Menu System automatically maintains fault trip event recorder. User can clear only stored events. 1) Stored Value Clear Select “9.

  • Page 264: Power Quality Event Recorder - Option

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.6. Power Quality Event Recorder - Option EVRC2A always monitors the voltage on both power source side and load side, and records the data of power outage in order to analyze the cause when the outage is detected on either side. When the outage is detected, EVRC2A records the outage time and duration.
  • Page 265 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 12.6.1. Trigger Source Target elements Source Outage Load Outage Sag/Swell Voltage Unbalance Current Unbalance Monitoring elements - Source side Voltage - Load side Voltage - Current 12.6.2. Trigger Time Monitors status of Trigger source in every 1/4 cycle 12.6.3.
  • Page 266 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Figure 12-6. Power Quality Events showed by Interface Software ENHANCED TECHNOLOGY...

  • Page 267: Installation

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13. INSTALLATION 13.1. User Interface Door and Power Switch Figure 13-1. User Interface Door and Power Switch User Interface Door User Interface Door has two magnets upper and down(or top and bottom).To open the door, pull the handle.

  • Page 268: Vent And Outer Cover

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.2. Vent and Outer Cover Figure 13-2. Air Vent and Outer Cover Outer Cover It is for blocking the direct ray of light to delay raising temperature inside of Control Cubicle. The gap between control cubicle and cover is 10mm. Air Vent To protect control part from humidity by temperature fluctuation, Vents are on left and right side covered with Outer Cover.

  • Page 269: Dimensions And Mounting Plan

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.3. Dimensions and Mounting Plan Figure 13-3. Dimensions and Mounting Plan EVRC2A has Small size and Large size depending on Recloser Type. Small size is available for EVR1, EVR2, Large size is available for EVR3. Large size is able to make “User available Space” larger, the space unit is referred to “Figure 13-6.
  • Page 270 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Standard for EVR1, EVR2 is small size and for EVR3 is large size. EVR1 (Recloser Rated Voltage : 15.5㎸) / EVR2 (27㎸) / EVR3 (38㎸) For installation on a Pole, the lifting hole is indicated. Weight of EVRC2A small size is 85㎏ and large size is 90㎏. EVRC2A should be fixed top and bottom with 16㎜(5/8") Bolt.

  • Page 271: Earth Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.4. Earth Wiring Diagram Figure 13-4. Earth Wiring Diagram After installation of Control cubicle, connect the ground. Earth Terminal can connect with core of cable size up to 12㎜(0.470") diameter. Earth cable from Pole Neutral and from EVRC2A Earth Terminal must be connected to the ground.

  • Page 272: Inner Structure

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.5. Inner Structure Figure 13-5. Inner Structure Controller Power NFB (No Fuse Breaker) Left side switch is for Battery and right side one is for 220Vac(or 110Vac – option). Heater Optional Heater is 40W Battery Use 2 of 12Vdc in series. Use (＋) screwdriver for replacement. Fuse TF1, TF2, TF3 are for circuit protection, refers to (see “13.20.

  • Page 273: Mount Accessories Dimensions

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.6. Mount Accessories Dimensions Figure 13-6. Mount Accessories Dimensions Shows base plate measurements that can be attached in User Available Space. On Base plate, 10㎜/M6 Nut is used to fix the base plate. Available space for height of base plate is from 101.6㎜ (4”) to 177.8㎜ (7”) ENHANCED TECHNOLOGY...

  • Page 274: User-Available Dc Power

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.7. User-Available DC Power Table 13-1. User-Available DC Power Voltage Rating Voltage Range Maximum Power output Positions 24Vdc 20∼25Vdc 40W Continuous Side Panel CN5 15Vdc 14.0∼15.5Vdc 60W 60second (1-VCC/+) Short 1second (2-AGND/-) 12Vdc 11.0∼12.5Vdc Standard Voltage : 12Vdc / User can select Voltage Rating 30W DC Power is provided.

  • Page 275: Terminal Block And Fuses

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.8. Terminal Block and Fuses Figure 13-7. Terminal Block and Fuses Caution for an electric shock due to AC Power loaded in Terminal block. Standard AC Power is 220Vac(Optional AC Power is 110Vac). AC Power input terminal 1, 2 are connected from Receptacle to Terminal block. Terminal 3 is the ground.

  • Page 276: Evrc2A Wiring Diagram - Vd Type

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.9. EVRC2A Wiring Diagram – VD Type Figure 13-8. EVRC2A Wiring Diagram - VD Type Wiring diagram of EVRC2A standard. CN1 has different system wirings depending on User system. In “Figure 13-8. EVRC2A Wiring Diagram - VD Type”, CN1 is marked as Earthing System. For non-Earthing system, refer to “Figure 13-11.

  • Page 277: Evrc2A Wiring Diagram - Vt Type

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.10. EVRC2A Wiring Diagram - VT Type Figure 13-9. EVRC2A Wiring Diagram - VT Type “Figure 13-9. EVRC2A Wiring Diagram - VT Type” is wiring diagram of VT type of which Voltage Input is optional. CN2 is Voltage Input Connector. For wiring, refer to “Figure 13-13. VT Wiring Diagram” VD type and VT type are not exchangeable.

  • Page 278: Side Panel

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.11. Side Panel Current Inputs IA,IB,IC,IN,SEF CN2 Voltage Inputs VA,VB,VC, VR,VS, VT CN3 AC24V IN Relay Module AC Power Input CN4 BATT` IN Relay Module DC Power Input CN5 POWER OUT - Option User-Available DC Voltage Source CN6 CONTROL Recloser Open, Close CN7 UPS...

  • Page 279: Current Inputs Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.12. Current Inputs Wiring Diagram Current IG is connected with Side Panel IG(A07,A08) Earthing System. SEF(A09,A10) should be connected, so called “JUMPER” IG Input Current Range 0.5A Nominal 2A continuous 25A 1 second Burden : 0.19VA(0.5A) Current IG should be connected with SEF(A09,A10) of Side Panel in.

  • Page 280: Vd Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.13. VD Wiring Diagram Figure 13-12. VD Wiring Diagram VD(CVD(Capacitor Voltage Divider) or RVD(Resistance Voltage Divider)) measures Voltage with using Capacitor or Resistance installed in each Bushing of Recloser. VD Type and VT Type are not exchangeable. Current Inputs and Voltage Inputs should be the same phase.

  • Page 281: Vt Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.14. VT Wiring Diagram Figure 13-13. VT Wiring Diagram VD(CVD or RVD) Type can not be used when VT(Voltage Transformer) Type was selected. VT wiring should match Current Inputs. Voltage Inputs VA, VB, VC, VR, VS, VT Input Voltage Range : Vphase-Vcom Continuous <...

  • Page 282: Current And Voltage Inputs Phase Rotation

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.15. Current and Voltage Inputs Phase Rotation Figure 13-14. Phase Rotation For Metering accuracy, phase rotations of User system and Recloser should be the same. “Figure 13-14. Phase Rotation” shows the same phase rotation between User System and Recloser.

  • Page 283: Control Cable Receptacle Pin Descriptions

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.16. Control Cable Receptacle Pin Descriptions Table 13-2. Control Cable Receptacle Pin Descriptions Function Function 52 common(Auxiliary) C.T Phase C C.T Phase B 52b(Auxiliary) C.T Phase A 52a(Auxiliary) C.T Common(G) Close and Trip Coil Common VD Source Phase C Close and Trip Coil Common VD Source Phase B Close and Trip Coil Common...
  • Page 284 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Figure 13-15. Control Receptacle “Figure 13-15. Control Receptacle” shows Female Receptacle installed in Control EVRC2A. ENHANCED TECHNOLOGY...

  • Page 285: Control Cable Assembling / De-Assembling

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.17. Control Cable Assembling / De-assembling Do not turn Plug body when Control Cable assembling/de-assembling. For Control Cable assembling, connect with Receptacle check based with Pin Guide position. Following notices are suggested. Turn Plug nut clockwise carefully to prevent Pin winding or out of gearing. Push Plug Body little by little with shaking left and right side into Receptacle;...

  • Page 286: Ac Power Cable

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.19. AC Power Cable TYPE : MS22-2S(Female) Cable Length : 2C-3.5㎟ 6meter(236") A PIN Wire Color : White(Phase) B PIN Wire Color : Black(Neutral) C PIN : not connected 13.20. Fuses Table 13-4. Fuses Rating / Positions Dimensions Purpose...

  • Page 287: Battery And Control Run Time

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.21. Battery and Control run time Table 13-5. Battery Specs Nominal capacity 24V/17A (12V×2pcs) Service life Time 5 years Battery Connector(CN11) Molex Connector 3191-2R Controller run time 40hours Recharge Time SOC: ~80%/ 15hours NOTE : Battery capacity can be changed by request of a user. Sealed lead - acid Battery Type, use 12Vdc 2 Batteries in series.

  • Page 288: Charge Circuit

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.22. Charge Circuit Charger uses current-control-circuit to prevent sudden-recharge and use voltage-steady-circuit to prevent over-recharge. Charge inspection use 24Vac the same power as Relay Module has. Disconnecting CN11 may cause spark, turn off NFB1(Battery Switch) and NFB2(Ac Power switch) before disconnect CN11.

  • Page 289: Communications

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.25. Communications 1) RS232 Pin Functions for Port1 and Port2 Table 13-6. RS232 Pin Functions for Port1 and Port2 Serial Port1 Serial Port2 Definition Data Carrier Detect Receive Data Transmit Data Data Terminal Ready Ground Data Set Ready Request To Send Clear To Send No Connection...
  • Page 290 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 13-7. PORT3(RS-232/RS485) Pin Description Pin(RS-232) Signal Description Pin(RS-485) Description Data Carrier Detect RS485+ Receive Data(IN) RS485- Transmit Data(OUT) SG (Cable Shield) Data Terminal Ready(OUT) 485 ON Ground 485 ON Data Set Ready(IN) Request To Send(OUT) Clear To Send(IN) No Connection ※...

  • Page 291: Communication Cables

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.26. Communication Cables 1) Cable CC201: Connect to Computer Figure 13-24. Cable CC201 (connect to computer) 2) Cable CC202: Connect to Modem, etc. - option Figure 13-25. Cable CC202 (connect to modem, etc.) 3) Cable CC203: Connect to Modem, etc. - option Figure 13-26.

  • Page 292: Hardware Block Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.27. Hardware Block Diagram Figure 13-27. Hardware Block Diagram ENHANCED TECHNOLOGY...

  • Page 293: Recloser Trip And Close Circuits

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.28. Recloser Trip and Close Circuits Figure 13-28. Recloser Trip and Close Circuits Close Coil Trip Coil Magnetic Contactor Capacitor IGBT Insulated Gate Bipolar Transistor Fuse Uninterruptible Power Supply Recloser Trip and Close Power is charged from C1, C2, C3 in UPS module. C1 is used for Trip power, C2, C3 are used for Close power.

  • Page 294: Uninterruptible Power Supply For Trip & Close

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.29. Uninterruptible Power Supply for Trip & Close Figure 13-29. UPS Module Block Diagram UPS Module charges Capacitor for Trip/Close. Its rated output voltage is 120Vdc. Trip and Close Capacitor are individually located and do not affect to each other during Trip and Close.

  • Page 295: Main Board

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.30. Main Board Figure 13-30. MAIN BOARD Indicates Firmware Upgrade Port, RTC(Real Time Clock), and main parts location. Also indicates backup battery type. ENHANCED TECHNOLOGY...

  • Page 296: Analog Board

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.31. Analog Board Figure 13-31. ANALOG BOARD JP1, JP2, JP3 are Jumper Connecter, defining User Available DC Power Output Rating. F1, F2 are use to protect IGBT for Close and Trip. F3 is for Relay Module protection. JP1, JP2, JP3 are Jumper Connectors and define User Available DC Power rating.

  • Page 297: Recloser Evr Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.32. Recloser EVR Wiring Diagram Figure 13-32. Recloser EVR Wiring Diagram Recloser EVR standard wiring diagram CT Protection is automatically protected when Control Cable is disconnected. The capacity of CVD is 20㎊, and also automatically protected when Control Cable is disconnected.

  • Page 298: Recloser Epr Wiring Diagram

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.33. Recloser EPR Wiring Diagram Figure 13-33. Recloser EPR Wiring Diagram Recloser EPR standard wiring diagram CT Protection is automatically protected when Control Cable is disconnected. The resistance of RVD is 100MΩ, and also automatically protected when Control Cable is disconnected.

  • Page 299: Recloser Current Transformer (Ct)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.34. Recloser Current Transformer (CT) Table 13-9. Current Transformer (CT) Description Function C.T Phase C CT Ratio : (1000:1/standard) C.T Phase B CT Resistance < 5Ω C.T Phase A C.T Common(G) 13.35. Recloser Voltage Divider (VD) Table 13-10.

  • Page 300: Recloser Pressure Sensor (Only Evr Type)

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.36. Recloser Pressure Sensor (Only EVR Type) 13.36.1. TYPE1 Sensor It is used of Recloser manufactured before JUNE, 2005. Table 13-11. EVR Pressure Sensor Description Function Pressure Sensor Output 1) Sensor Power is delivered from Pressure Sensor Power AGND Pin P(+12Vdc±0.5 %) and N(-) Pressure Sensor Power 12Vdc 2) Sensor Output is Pin L(+) and N(-)
  • Page 301 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.36.2. TYPE2 Sensor It is used for Recloser manufactured after JULY, 2005. Table 13-12. EVR Pressure Sensor Description Function Pressure Sensor Output 1) Sensor Power is delivered from Pressure Sensor Power AGND Pin P(+9~30Vdc) and N(-) Pressure Sensor Power 12Vdc 2) Sensor Output is Pin L(+) and N(-) -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0...

  • Page 302: Recloser 52 Contact And 69 Contact

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 13.37. Recloser 52 contact and 69 contact Table 13-13. 52 contact and 69 contact Description Function 69b(Monitored locked) Common(52 and 69) 52b(Monitored Trip) 69 is b Contact when unlocked. 52a(Monitored Close) 52 common(Auxiliary) 52b(Auxiliary) 52a(Auxiliary) 13.38. Recloser Trip and Close Coil Table 13-14.

  • Page 303: Recloser Test Kit

    RECLOS SER CONTR ROL EVRC2A A-N6,NT http p://www.ent tecene.co.kr .39. Re ecloser Test Ki 1) R RTS 2010 Mo odel tests EV VRC2A by Fa ault Simulati ion. 2) R RTS 2010 can n display Fu ull Sequence of Trip time e, Trip curren nt, Interval o on LCD scre...

  • Page 304: Maintanance

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 14. MAINTANANCE 14.1. Warning Events In control panel warning led if is lighted up bellow table refer and inspects. Table 14-1. Warning Events(1/2) USER’ RECOMMENDED EVENT EVENT TEXT EXPLANATION EVR2A ACTION ACTION 1. Check AC Power NFB AC POWER 2.
  • Page 305 RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr Table 14-1. Warning Events(2/2) EVENT USER’ RECOMMENDED EVENT EXPLANATION EVR2A ACTION TEXT ACTION POWER DOWN SYS ALARM display No problem POWER DOWN Power down mode MODE Protection disabled 1.Ensure Control cable is securely (*. Opteional) connected Gas pressure Low GAS LOW 2.

  • Page 306: Malfunction Events

    RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr 14.2. Malfunction Events The following table of events describes the malfunction events available from the control and what they indicate. It also suggests steps to follow to assist in determining why the event was generated. Table 14-2. Malfunction Events EVENT DESCRIPTION POSSIBLE CAUSE...

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