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Document Number: ECP 11-0512c Date: 04/12/2015 SCHNEIDER RN2, RN6, RN2C AND RN6C WITH VIP 300 RELAY TEST FORM Substation Name Substation Number Voltage Switchgear Installed Mode Free-standing () Transformer-mounted Switchboard Number Manufacturer Serial Number Type (RN2c/RN6c) () Schneider Protection CTs CT Ratio (400/1 or 800/1) Relay Serial Number Setting Range (x2 or x4) Shunt Trip Coil (if fitted) 20-48V DC () 110-240V AC/DC () Protection Settings (specified by planner/designer) Overcurrent Settings Earth Fault Settings Setting Current Setting Current Curve Curve Time Multiplier Time Multiplier Highset Setting Current Highset (or SEF) Setting Current Highset Time Highset (or SEF) Time Preliminary Checks () Disconnect the umbilical cable from the RTU (if fitted) Visual inspection satisfactory (no visible signs of damage etc) Earthing satisfactory SF6 gas pressure satisfactory Functional/Interlock Checks Open and close switches Earth switches cannot be operated when service selected Switch/circuit-breaker cannot be operated when earth selected Open and close earth switches Test access cannot be opened when switch/circuit-breaker in On and Off position Test access can be opened when earth switch closed Switch/circuit-breaker cannot be operated when test access open () THIS IS AN UNCONTROLLED DOCUMENT, THE READER MUST CONFIRM ITS VALIDITY BEFORE USE Version: 4.0 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Functional/Interlock Checks () Actuator operation satisfactory using an RTU simulator (LPN Remsdaq RTU only) Transformer Winding Insulation Resistance using Test Voltage from ECS 11-0006 (transformer-mounted units only) HV windings to earth (LV windings connected together and to earth) M LV windings to earth (HV windings connected together and to earth) M Switchgear Continuity Test RSW1 RSW2 CB Terminals Under Test TM* FS* Continuity TM* FS* RSW1 to RSW2 RSW1 to RSW2 to CB Closed Closed Open Closed L1 - L1 L1 - L1 - L1 Closed Closed Open Closed L2 - L2 L2 - L2 - L2 Closed Closed Open Closed L3 - L3 L3 - L3 - L3 Closed Open Closed L1 - L2 (RSW1) Closed Open Closed L2 - L3 (RSW1) RSW1 RSW2 CB Terminals Under Test Earthed Open Open RSW1 Open Earthed Open RSW2 Continuity L1 - E L2 - E L3 - E L1 - E L2 - E L3 - E HV Insulation Tests using Test Voltage from ECS 11-0006 RSW1 RSW2 CB Terminal Voltage (kV) Under Test Earthed TM* FS* RSW1 RSW2 Closed Closed Open Closed L1 L2, L3 Closed Closed Open Closed L2 L1, L3 Closed Closed Open Closed L3 L1, L2 Open Closed Open Closed L1, L2, L3 L1, L2, L3 Closed Open Open Open L1, L2, L3 L1, L2, L3 Duration (min) IR (M) CB (FS* only) L1, L2, L3 * TM - transformer-mounted and FS - free-standing. © UK Power Networks 2017 All rights reserved 2 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 FPI CTs Insulation Resistance using 1kV Test Voltage (test from CT wiring terminal block) Disconnect FPI (if fitted) () RSW1 RSW2 (if fitted) Remove CT wiring earth link D190 - D170 () D190 - D270 () L1, L2, L3 D111, D131, D151 - Earth M D111/2, D131/2, D151/2 - earth M Replace CT wiring earth link D190 - D170 () D190 - D270 () FPI CTs Loop Continuity (test from CT wiring terminal block) RSW1 RSW2 (if fitted) L1 D111 - D170 D111/2 - D170/2 L2 D131 - D170 D131/2 - D170/2 L3 D151 - D170 D151/2 - D170/2 Reconnect FPI (if fitted) () Protection CTs Insulation Resistance using 1kV Test Voltage Disconnect CT wiring from relay C11, C31, C51, C71 () Remove CT wiring earth link C70 - C90 () Measure the insulation resistance C70 - Earth M Replace CT wiring earth link C70 - C90 () Measure L1 CT continuity C11 - C70 Measure L3 CT continuity C31 - C70 Measure L3 CT continuity C51 - C70 Protection CTs Loop Continuity (from CT wiring terminal block) © UK Power Networks 2017 All rights reserved 3 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Dual Ratio Protection CTs For switchgear with dual ratio protection CTs select the appropriate ratio (see appendix A.4) to give the required protection settings and record CT ratio on the front of the form () CT Ratio Terminal Block Connections 400/1 C112 - 2 C132 - 6 C152 - 10 () 800/1 C112 - 3 C132 - 7 C152 - 11 () Relay CT Connections Reconnect the CT wiring to the relay - use the x2 range unless the required setting current is greater than that available within the range (Appendix A.5) and record the range on the front of the form Range Relay Connections 200/1 CTs 400/1 CTs 800/1 CTs x2 C11 - 8 C31 - 6 C51 - 4 C71 - 2&9 20-100A 40-200A 80-400A () x4 C11 - 7 C31 - 5 C51 - 3 C71 - 1&9 40-200A 80-400A 160A-800A () Ensure the reversible scale label matches the CT ratio and selected range Measure the earth resistance between the relay case and the switchgear earth © UK Power Networks 2017 All rights reserved () 4 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Test Protection Settings Apply the following temporary settings to the relay (refer to Appendix A for guidance) Overcurrent Settings () Earth Fault Settings Is 72A or 80A* Ios 60A or 64A* I> curve SI Io> curve SI DT only 3 DT only 3 t> 0.6 x10 to> 0.6 x10 I>> off Io>> off t>> 0.03 to>> 0.03 * Available setting will depend on the CT ratio and the range being used. Note: It is not possible to carry out the pickup test below for 800/1 CTs on the x4 range. Relay Operation - Primary Injection Test Increase current until the LED starts to flash and record the current value. Reset the relay and, if necessary, close the circuit breaker before each test Overcurrent Pickup Test RSW1 RSW2 CB Conductors Under Test Short Conductors RSW1 CB Is Setting Calculated Pickup Current (Is + 20%) Actual Pickup Current Closed Open Closed L1 - L2 L1, L2, L3 72/80A 87/96A A Closed Open Closed L2 - L3 L1, L2, L3 72/80A 87/96A A Ios Setting Calculated Pickup Current (Ios + 20%) Earth Fault Pickup Test RSW1 RSW2 CB Conductors Under Test RSW1 CB Actual Pickup Current Closed Open Closed L1 L1 60/64A 72/77A A Closed Open Closed L2 L2 60/64A 72/77A A Closed Open Closed L3 L3 60/64A 72/77A A © UK Power Networks 2017 All rights reserved 5 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 In-service Protection Settings Apply the in-service protection settings as specified by the planner/designer to the relay and record them below (refer to Appendix A for guidance) Overcurrent Settings Earth Fault Settings Is Ios I> curve Io> curve DT only DT only t> x10 / x1 to> Select from table on relay x10 / x1 Select from table on relay I>> (Highset Current ÷Is) Io>> (Highset Current ÷Is) t>> to>> Table A - Calculate Injection Currents () Overcurrent Setting Earth Fault Setting CT Ratio Primary Setting Current (Is) (Ios) Secondary Setting Current (Primary Setting Current ÷ CT Ratio) 2 x Secondary Setting Current 5 x Secondary Setting Current I>> or Io>> x Secondary Setting Current (highset)* DT x Secondary Setting Current (SEF)* Table B - Calculate Operating Times Overcurrent Setting Earth Fault Setting Curve (I>) (Io>) Time Setting on relay (t>) (to>) (t>>) (to>>) (if x10 is selected multiply t> or to> setting by 10) Tripping time at 2 x secondary current Curve SI (t> or to> x 3.38) +0.09s s s Curve VI (t> or to> x 9) + 0.09s s s Curve EI (t> or to> x 33) + 0.09s s s Tripping time at 5 x secondary current Curve SI (t> or to> x 1.44) + 0.09s s s Curve VI (t> or to> x 2.25) + 0.09s s s Curve EI (t> or to> x 4.1) + 0.09s s s s s Tripping time at I>> or Io>> or DT x Secondary Setting Current Highset/Instantaneous t>> or to>> + 0.09s SEF* to> + 0.09s s * Only calculate highset, instantaneous or SEF settings if used. © UK Power Networks 2017 All rights reserved 6 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Relay Operation - Secondary Injection Test Connect timer circuit to auxiliary contacts 64 and 65 (contact closed when CB open) () Overcurrent Test Setting Calculated Injection Current (from table A) Calculated Operating Time (from table B) Actual Operating Times C11 - C31 C31 - C51 C51 - C11 2x A s s s s 5x A s s s s Instantaneous A s s s s Earth Fault Test Setting Calculated Injection Current (from table A) Calculated Operating Time (from table B) Actual Operating Times C11 - C70 C31 - C70 C51 - C70 2x A s s s s 5x A s s s s Instantaneous A s s s s SEF* A s s s s * The trip current may have to be increased to operate the circuit breaker if the current is below the minimum operating current. Shunt Trip and Emergency Trip (if fitted) Check correct shunt trip coil voltage is selected () Test Coil Terminals Test Voltage CB Trips Apply 70% (dc) or 85% (ac) of coil rated voltage 20-48V DC 47 - 48 V () 110-240V AC/DC 47 - 49 V () Apply 110% Voltage of coil rated voltage 20-48V DC 47 - 48 V () 110-240V AC/DC 47 - 49 V () Check emergency trip button operates circuit-breaker Final Checks () () Check correct CT and interposing CT ratios selected Check correct ratio labels have been fitted Check correct protection settings applied Check relay reset Ensure FPI CT shorting-link(s) are replaced if CTs are not used or not connected to FPI or RTU Reconnect umbilical cable to RTU (if fitted) Asset data form completed © UK Power Networks 2017 All rights reserved 7 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Test Equipment Make/Type Serial Number Calibration Date Certification () All tests have been completed satisfactorily Comments Commissioning Engineer Signature Date The completed test form shall be left on-site in a plastic wallet and in secure location. A copy of the completed test shall be sent to the relevant ART mailbox. © UK Power Networks 2017 All rights reserved 8 of 8 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Appendix A – Vip 300 A.1 Introduction The Vip 300 is a self-powered three phase overcurrent and earth fault protection relay. Protection settings are displayed on the relay front panel (see section A.2) along with manual reset and trip flags. The CTs are connected to one of two sets of inputs to the relay, to give two different setting current ranges. It is important to ensure that the correct scale label (see section A.3) is in place (either x4 or x2) depending on the inputs and the CT ratio used. Settings are applied by adjusting the dial selectors to the correct location using a screwdriver. Care should be taken when applying the time settings as the Vip 300 does not use the time multiplier as the time input for IDMT curves (t> or to>). Instead the table on the top right of the front panel should be used to convert the required time multiplier to the Vip 300 setting depending on the IDMT characteristic being applied. For definite time settings (DT, I>>, Io>>) the dials give the relay operating time. For example, to apply the following typical settings to a Vip 300 relay with 400/1 CTs: OC 200A VI 0.1TM SEF 32A DT 3s Looking at the range cards for 400/1 CTs it can be seen that the x2 range provides the option for a phase overcurrent setting (Is) of 200A and an earth fault setting current (Ios) of 32A, the x2 range inputs should be used. Applying the overcurrent setting: 1. Is should be set to 200. 2. I> curve selection should be set to VI. 3. t> should be set to 0.3 with a multiplier of x1 (from the table provided this corresponds to a time multiplier of 0.1). 4. As no high set overcurrent is required, I>> should be set to OFF. 5. As no high set overcurrent is required, t>> should be set to 0.03. Applying the earth fault setting: 1. 2. 3. 4. 5. 6. Ios should be set to 32. Ios> curve selection should be set to DT. DT should be set to 1. t> should be set to 0.3 with a multiplier of x10. As no high set earth fault is required, Io>> should be set to OFF. As no high set earth fault is required, to>> should be set to 0.03. © UK Power Networks 2017 All rights reserved A-1 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 A.2 Front Panel I> phase overcurrent sensors: 800/1 4509169A0 VIP 300LH range: x2 I> SI VI EI RI off DT 192 224 168 256 144 288 120 320 96 80 400 360 (A) Is VIP 300 I>> 0.15 0.2 0.3 0.1 0.07 0.4 0.05 0.6 (s) 9 6 12 4 3 15 20 off ( x Is) ( x Is) curve selection trip DT only 1.8 2.1 1.5 2.4 1.2 2.7 1 3 Warning x 10 x1 not time multiplier 0.1 0.05 0.03 0.4 0.2 0.6 0.9 1.5 (s) t> see table t >> reset minimum operating phase current: 80A Io> SI VI EI RI off DT trip curve selection Io> earth fault A.3 48 32 16 64 96 128 160 200 240 8 320 280 (A) Ios 0.15 0.2 0.3 0.1 0.07 0.4 0.05 0.6 (s) to > DT only 1.8 2.1 1.5 2.4 1.2 2.7 1 3 Io>> 6 Warning x1 12 15 20 off ( x Ios) ( x Ios) x 10 9 4 3 VIP300 EI,VI,SI Equivalent Time Settings Multiplier VI EI t>, to> DT SI 0.05 x1 0.02 0.03 0.06 0.07 x1 0.02 0.05 0.09 0.1 x1 0.03 0.07 0.12 0.15 x1 0.05 0.1 0.19 RI x1 0.07 0.13 0.25 0.2 0.3 x1 0.1 0.2 0.37 0.4 x1 0.13 0.27 0.5 0.05 x10 0.17 0.33 0.62 0.6 x1 0.2 0.4 0.74 0.07 x10 0.24 0.47 0.87 0.1 x10 0.34 0.67 1.24 0.15 x10 0.5 1 1.86 0.2 x10 0.67 1.33 2.48 0.3 x10 1.01 2 3.71 0.4 x10 1.35 2.67 4.95 0.6 x10 2.02 4 7.43 0.4 0.2 not time multiplier 0.1 0.05 0.03 see table to >> 0.6 0.9 1.5 (s) VAP6 test plug Scale Labels Reversible scale label for Ringmaster fitted with 200/1CTs Reversible scale label for Ringmaster fitted with 400/1CTs © UK Power Networks 2017 All rights reserved Reversible scale label for Ringmaster fitted with 800/1CTs A-2 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 A.4 Dual Ratio CT Connections 400/1 Ratio 800/1 Ratio Note: The orientation of the connections may vary depending on the vintage of the switchgear. A.5 Relay CT Connections © UK Power Networks 2017 All rights reserved A-3 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 This page is intentionally left blank. © UK Power Networks 2017 All rights reserved A-4 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 Appendix B – Schematic Diagrams © UK Power Networks 2017 All rights reserved B.1 Schneider RN2, RN6, RN2c and RN6c with Vip 300 Relay Test Form Document Number: ECP 11-0512c Version: 4.0 Date: 04/12/2015 © UK Power Networks 2017 All rights reserved B.2