ecp 11-0511i schneider rn2c and re2c 2016 test...
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Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
SCHNEIDER RN2C AND RE2C 2016 TEST FORM
Applicable to post September 2016 switchgear
Substation Name
Substation Number
Voltage
Switchgear
Installed Mode Free-standing () Transformer-mounted ()
Switchboard Number Manufacturer Schneider
Serial Number Type (RN2c/RE2c)
Protection CTs FPI CT Ratios in Use
Ratio in Use RSW1 RSW2
TLF
Rating Transformer Rating kVA
Shunt Trip Coil (if fitted)
20-48V DC () 110-240V AC/DC ()
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
Motorised actuator operation satisfactory using an RTU simulator (LPN Remsdaq RTU only)
THIS
IS A
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NC
ON
TRO
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DO
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MEN
T, T
HE
REA
DER
MU
ST C
ON
FIR
M IT
S VA
LID
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BEF
OR
E U
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Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
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 Continuity
TM* FS* TM* FS*
RSW1 to RSW2 RSW1 to RSW2 to CB
Closed Closed Open Closed L1 - L1 L1 - L1 - L1
L2 - L2 L2 - L2 - L2
L3 - L3 L3 - L3 - L3
Open Closed L1 - L2 (RSW1)
L2 - L3 (RSW1)
RSW1 RSW2 CB Terminals Under Test Continuity
Earthed Open Open RSW1 L1 - E
L2 - E
L3 - E
Open Earthed Open RSW2 L1 - E
L2 - E
L3 - E
* TM - transformer-mounted and FS - free-standing.
HV Insulation Tests using Test Voltage from ECS 11-0006
RSW1 RSW2 CB Terminal Voltage (kV)
Duration (min)
IR (M)
Under Test
Earthed
TM* FS* RSW1 RSW2 CB(FS* only)
Closed Closed Open Closed L1 L2, L3
L2 L1, L3
L3 L1, L2
Open L1, L2, L3
L1, L2, L3
L1, L2, L3
Closed Open Open L1, L2, L3
L1, L2, L3
* TM - transformer-mounted and FS - free-standing.
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
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 D190L - D170L () D190R - D170R ()
L1 D111L - Earth M D111R - Earth M
L2 D131L - Earth M D131R - Earth M
L3 D151L - Earth M D151R - Earth M
Replace CT wiring earth link D190L - D170L () D190R – D170R ()
Figure 1: Open Points in CT Terminal Block
FPI CTs Loop Continuity(test from CT wiring terminal block)
RSW1 RSW2 (if fitted)
L1 D111L - D170L D111R - D170R
L2 D131L - D170L D131R - D170R
L3 D151L - D170L D151R - D170R
Reconnect FPI or RTU (if fitted) ()
Protection CTs Insulation Resistance using 1kV Test Voltage
Remove CT wiring earth link C70 - C90 ()
CTs, AC trip coils and TLFs C70 - Earth M
Replace CT wiring earth link C70 - C90 ()
© UK Power Networks 2017 All rights reserved 3 of 7
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
Protection CTs Loop Continuity(test CT and trip coil from TLF ratio terminal block with test link removed)
Remove shorting link and test link ()
100/5 Ratio 50/5 Ratio
L1 C110 - C70 C210 - C70
L2 C130 - C70 C230 - C70
L3 C150 - C70 C250 - C70
Replace shorting link and test link ()
© UK Power Networks 2017 All rights reserved 4 of 7
Test LinkC90-C70
C110-C130-C150-C70-C210-C230-C250100/5 50/5
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
Primary Injection Test (free-standing units only)
Earth Fault Release Test
Remove TLFs and replace with shorting links ()
RSW1 RSW2 CB Conductors Under Test CT Ratios
RN2 Trip Range
RN2c Trip Range
Trip Current
RSW1 CB
Closed Open Closed L1 L1 50/5 20 - 26.5A 19 - 28A A
100/5 25 - 31A 24 - 33A A
L2 L2 50/5 20 - 26.5A 19 - 28A A
100/5 25 - 31A 24 - 33A A
L3 L3 50/5 20 - 26.5A 19 - 28A A
100/5 25 - 31A 24 - 33A A
Overcurrent Release Test
Remove TLF shorting-links, connect shorting-link between L1, L2, L3 on CB ()
RSW1 RSW2 CB Conductors Under Test
Short Conductors
CT Ratios
RN2 Trip Range
RN2c Trip Range
Trip Current
RSW1 CB
Closed Open Closed L1 – L2 L1, L2, L3 50/5 20 - 25A 20 - 25A A
100/5 30 - 36A 30 - 36A A
L2 - L3 L1, L2, L3 50/5 20 - 25A 20 - 25A A
100/5 30 - 36A 30 - 36A A
Secondary Injection Test (transformer-mounted units only)
Earth Fault Release Test
Remove TLFs and replace with shorting links ()
RSW1 RSW2 CB Test Connections CT Ratios
RN2 Trip Range
RN2c Trip Range
Trip Current
Open Open Closed C31 - C70 50/5 2 - 2.65A 1.7 - 2.8A A
100/5 1.25 - 1.55A 1.1 - 1.65A A
Overcurrent Release Test
Remove shorting links ()
RSW1 RSW2 CB Test Connections CT Ratios
RN2 Trip Range
RN2c Trip Range
Trip Current
Open Open Closed C11 - C31 50/5 1.6 - 2.2A 1.6 - 2.2A A
100/5 1.4 - 2.0A 1.4 - 2.0A A
C31 - C51 50/5 1.6 - 2.2A 1.6 - 2.2A A
100/5 1.4 - 2.0A 1.4 - 2.0A ANote: If the circuit-breaker does not operate when the injected current is gradually applied then the maximum value of current should be applied instantaneously.
© UK Power Networks 2017 All rights reserved 5 of 7
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
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 17 - 20 V ()
110-240V AC/DC 17 - 18 V ()
Apply 110% Voltage of coil rated voltage
20-48V DC 17 - 20 V ()
110-240V AC/DC 17 - 18 V ()
Check emergency trip button operates circuit-breaker ()
Final Checks ()
Check correct CT ratio selected
Check correct TLF rating selected and fitted
Check all links are replaced and secure
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 and submitted
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 6 of 7
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
This page is intentionally left blank.
© UK Power Networks 2017 All rights reserved 7 of 7
Schneider RN2c and RE2c 2016 Test Form Document Number: ECP 11-0511i
Version: 1.0
Date: 31/08/2016
Appendix A –Schematic Diagrams
© UK Power Networks 2017 All rights reserved 1
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