Customer
Customer Engro Engro PowergenPowergen Relay
Relay Type Type Numerical Numerical Generator Generator Management Management RelayRelay Panel
Panel Identification Identification Generator Generator Protection Protection Panel Panel GPPGPP Relay
Relay Identification Identification Generator Generator ProtectionProtection Relay
Relay Make Make GENERAL GENERAL ELECTRICELECTRIC
Model G60-G01-HCH-F8F-H67-M8F-P6D-U6D-W6C
Model G60-G01-HCH-F8F-H67-M8F-P6D-U6D-W6C
Serial
Serial No. No. AALC07000443AALC07000443 Firmware
Firmware Revision Revision 5.45.4 Auxiliary
Auxiliary Voltage Voltage 125V 125V DCDC Test
Test Starting Starting Date Date 16-04-201516-04-2015 Test
Test Set Set Used Used Freja 300Freja 300 Tested By
Tested By Mr.Mubasher Ahmed, Testing/Commissioning Engineer.Mr.Mubasher Ahmed, Testing/Commissioning Engineer.
Contact Number: +92 333 408 30 86 Contact Number: +92 333 408 30 86
Witnessed By
Witnessed By Mr.Ijlal, Engro PowergenMr.Ijlal, Engro Powergen
General Data General Data Generator
Generator Genout Genout Voltage Voltage 11.0 11.0 kVkV Connection
Connection Type Type WYEWYE CT
CT Ratio Ratio Genout Genout Side Side (CT-6) (CT-6) 8000/18000/1 CT
CT Ratio Ratio Neutral Neutral Side Side (CT-1) (CT-1) 8000/18000/1 VT
VT Ratio Ratio (VT-G) (VT-G) 13.8kV/100V13.8kV/100V Aux.
Aux. Neutral Neutral VT(NET) VT(NET) 13.8kV/200V13.8kV/200V
Testing Procedure Testing Procedure
1.
1. Verify that the relay rear Verify that the relay rear connection/wiring is according to referred drawings.connection/wiring is according to referred drawings. 2.
2. Power up relay at its rated voltage mentioned on face plate of relay.Power up relay at its rated voltage mentioned on face plate of relay. 3.
3. Verify that “ In Service” green LED on face plate is lit up.Verify that “ In Service” green LED on face plate is lit up. 4.
4. Verify that different protection units inside Verify that different protection units inside the relay are configured on desiredthe relay are configured on desired settings.
settings. 5.
5. Isolate the relay from field side wiring as per referred drawing.Isolate the relay from field side wiring as per referred drawing. 6.
6. Inject different voltage & current values (according to Inject different voltage & current values (according to relay trip settings) torelay trip settings) to relay and check its functionality and behavior.
relay and check its functionality and behavior. 7.
1. Measuring / Metering Accuracy Source Phase Involved Ratio Applied Analog Signals (Secondary) Measured Value (Primary) Source 2,Line Side Ia1 8000/1 1.000A 7.994-0kA
Source 2, Line Side Ia2 8000/1 1.00 240A 8.002-119 kA
Source 2, Line Side Ia3 8000/1 1.00 120A 7.994-240kA
Source 1, Neutral Side Ib1 8000/1 1.000A 7.995-0kA
Source 1, Neutral Side Ib2 8000/1 1.00 240A 8.002-119 kA
Source 1, Neutral Side Ib3 8000/1 1.00 120A 7.994-240kA
Main PTs (VTG-P) V1 13.8kV/100V (57.70)100V 13.796-330 kV
Main PTs (VTG-P) V2 13.8kV/100V (57.7240)100V 13.794-90 kV
Main PTs (VTG-P) V3 13.8kV/100V (57.7120)100V 13.808-210 kV
NET VT 13.8kV/220V 1000 V 6.27-0kV
2. Stator Differential Protection (87G)
Pickup = 0.083 P.U Slope 1 = 10 % Break 1 = 1.00 P.U Break 2 = 3.07 P.U Slope 2 = 60 % 2.1 Pickup Accuracy Sr.
I Applied at Gen out Side( (Amp) I Applied at Neutral Side (Amp)
Status Ia1 Φ Ia2 Φ Ia3 Φ Ib1 Φ Ib2 Φ Ib3 Φ
1 1.00 0 1.00 240 1.00 120 1.00 0 1.00 240 1.00 120 Stable 2 0.90 0 0.90 240 0.90 120 0.810 0 0.810 240 0.810 120 No Pickup 3 0.90 0 0.90 240 0.90 120 0.809 0 0.809 240 0.809 120 Pickup 4 3.50 0 3.50 240 3.50 120 1.41 0 1.41 240 1.41 120 No Pickup 5 3.50 0 3.50 240 3.50 120 1.40 0 1.40 240 1.40 120 Pickup
2.2 Operating Time Accuracy
Sr. I Applied at Genout Side( (Amp) I Applied at Neutral Side (Amp)
Measured Time (msec)
Status Ia1 Φ Ia2 Φ Ia3 Φ Ib1 Φ Ib2 Φ Ib3 Φ
1 1.00 0 1.00 240 1.00 120 0.00 0 0.00 240 0.00 120 13.00 Trip
3. Negative Phase Sequence (Generator Unbalance Alarm 46A) 3.1 Pickup Accuracy
Inom. = 0.830 P.U.
Stage 2 Pickup = 10.00% Time Delay = 6.0 sec
Sr. Applied Current Gen out Source 2 (Amp) Status
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 0.050 0.050 0.050 0 120 240 No Pickup
2 0.051 0.051 0.051 0 120 240 Pickup
: Phase T
OC and Stator Diff. Settings should be switched off to test this function. 4. Negative Phase Sequence ( Generator Unbalance Trip 46T)
4.1 Pickup Accuracy
Stage 1 Pickup = 10.00 % Stage 1 K Value = 6.40 Stage 1 min. = 0.250 Sec Stage 1 max. = 640.0 Sec Stage 1 K Reset = 256.0 Sec
Sr. Applied Current Gen Out Source 2 (Amp) Status
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 0.084 0.084 0.084 0 120 240 No Pickup
4.2 Operating Time Accuracy
Sr. Applied Current Neutral Source 2 (Amp) Measured Time ( Sec )
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 1.00 1.00 1.00 0 120 240 4.434
2 1.50 1.50 1.50 0 120 240 1.994
3 2.50 2.50 2.50 0 120 240 0.733
5. Sensitive Directional Power Stage 1(32 N. Stop) 5.1 Pickup Accuracy
Directional Power RCA = 180
Stage 1 SMIN = 0.035 P.U
Stage 1 Delay = 3.0 Sec
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Status V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 0.035 0.035 0.035 180 60 300 No
Pickup
2 57.70 57.70 57.70 0 240 120 0.036 0.036 0.036 180 60 300 Pickup 5.2 Operating Time Accuracy
Sr.
Applied Voltage (Volts) Applied Current Source 2 (Amp) Measured Time (m
Sec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 0.2 0.2 0.2 180 60 300 3.074
6. Sensitive Directional Power Stage 2 (32-2) 6.1 Pickup Accuracy
Directional Power RCA = 180
Stage 2 SMIN = -0.007
Stage 2 Delay = 0.50 Sec
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Status V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 0.007 0.007 0.007 180 60 300 No
Pickup
6.2 Operating Time Accuracy
Sr.
Applied Voltage (Volts) Applied Current Source 2 (Amp) Measured Time (mSec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 0.005 0.005 0.005 180 60 300 579
7. Loss of Field Stage 1 (40): 7.1 Pickup Accuracy
Center = 44.14 ohm Radius = 34.76 ohm Time Delay = 1.000 sec Off Set = 9.38 ohm
Sr. Applied Voltage (Volts) Applied Current Sorce 2 (Amp) Z
ohm Pickup V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 20 20 20 0 240 120 0.254 0.254 0.254 90 330 210 78.74 No
2 20 20 20 0 240 120 0.255 0.255 0.255 90 330 210 78.41 Yes
7.2 Operating Time Accuracy
Sr.
Applied Voltage (Volts) Applied Current Sorce 2 (Amp) Measured Time
(sec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 20 20 20 0 240 120 0.51 0.51 0.51 90 330 210 1.024
8. Loss of Field Stage 2 (40): 8.1 Pickup Accuracy
Center = 80.98 ohm
Radius = 71.60 ohm
Time Delay = 1.00 sec
Off Set = 9.38
Sr. Applied Voltage (Volts) Applied Current Sorce 2 (Amp) Z
ohm Status V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 20 20 20 0 240 120 0.132 0.132 0.132 90 330 210 151.52 No
Pickup 2 20 20 20 0 240 120 0.133 0.133 0.133 90 330 210 150.38 Yes
8.2 Operating Time Accuracy (at 36.0 ohm)
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Measured Time (sec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 20 20 20 0 240 120 0.17 0.17 0.17 90 330 210 1.034
9. Phase Over Voltage Element (59P1): 9.1 Pickup Accuracy
Pickup = 1.200 P.U. Time Delay = 0.50 Sec
Sr. Applied Voltage (Volts) Status
V1 V2 V3 VΦ1 VΦ2 VΦ3
1 69.18 69.18 69.18 0 240 120 No Pickup
2 69.19 69.19 69.19 0 240 120 Pickup
9.2 Operating Time Accuracy
Sr. Applied Voltage (Volts) Measured Time
(Sec)
V1 V2 V3 VΦ1 VΦ2 VΦ3
1 75.00 75.00 75.00 0 240 120 0.554
10. Under Frequency (81-1U): 10.1 Pickup Accuracy Pickup Level = 49.00 Hz Sr. Voltage Applied (Volts) Applied Frequency (Hz) Status 1 63.50 49.01 No Pickup 2 63.50 49.00 Pickup
11. Under Frequency (81-2U): 11.1 Pickup Accuracy
Pickup Level = 47.50 Hz Time Delay = 3.00 Sec
Sr. Voltage Applied (Volts) Applied Frequency (Hz) Status 1 63.50 47.50 No Pickup 2 63.50 47.49 Pickup
11.2 Operating Time Accuracy
Sr. Voltage Applied (Volts) Applied Frequency (Hz) Measured Time ( Sec) 1 63.50 47.00 3.10 Sec 12. Over-Frequency (81-1O): 12.1 Pickup Accuracy Pickup Level = 51.00 Hz Sr. Voltage Applied (Volts) Applied Frequency (Hz) Status 1 63.50 50.98 No Pickup 2 63.50 50.99 Pickup 13. Over-Frequency (81-2O): 13.1 Pickup Accuracy Pickup Level = 52.50 Hz
Time Delay = 3.00Sec
Sr. Voltage Applied (Volts) Applied Frequency (Hz) Status 1 63.50 52.49 No Pickup 2 63.50 52.50 Pickup
13.2 Operating Time Accuracy Sr. Voltage Applied (Volts) Applied Frequency (Hz) Measured Time ( Sec) 1 63.50 53.00 3.10 14. Over-Frequency (81-3O): 14.1 Pickup Accuracy Pickup Level = 52.50 Hz Time Delay = 30.00 Sec Sr. Voltage Applied (Volts) Applied Frequency (Hz) Status 1 63.50 52.49 No Pickup 2 63.50 52.50 Pickup
14.2 Operating Time Accuracy
Sr. Voltage Applied (Volts) Applied Frequency (Hz) Measured Time ( Sec) 1 63.50 53.00 30.10
Note: Overfrequency Stage 2 & Stage 3 has same pickups
15. Phase Under Voltage (27-U1): 15.1 Pickup Accuracy
Pickup = 0.90 P.U (Phase to Ground)
Curve = Definite Time
Time Delay = 10.00 Sec
Sr. Applied Voltage (Volts) Status
V1 V2 V3 VΦ1 VΦ2 VΦ3
1 51.94 51.94 51.94 0 240 120 No Pickup
16. Phase Under Voltage (27-U2): 16.1 Pickup Accuracy
Pickup = 0.90 P.U (Phase to Ground)
Curve = Definite Time
Time Delay = 3.00Sec
Sr. Applied Voltage (Volts) Status
V1 V2 V3 VΦ1 VΦ2 VΦ3
1 40.41 40.41 40.41 0 240 120 No Pickup
2 40.40 40.40 40.40 0 240 120 Pickup
16.2 Operating Time Accuracy
Sr. Applied Voltage (Volts) Measured Time
(Sec)
V1 V2 V3 VΦ1 VΦ2 VΦ3
1 30.0 30.0 30.0 0 240 120 3.034
17. Phase Time Over Current with Voltage Restraint (51V) 17.1 Pickup Accuracy
Pickup Level = 0.997 P.U Curve = IEEE Mod Inv TD Multiplier = 2.00
Voltage Restrained = Enabled
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Status V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 0.997 0.997 0.997 0 240 120 No Pickup 2 57.70 57.70 57.70 0 240 120 0.998 0.998 0.998 0 240 120 Pickup 3 0.00 0.00 0.00 0 240 120 0.100 0.100 0.100 0 240 120 No Pickup 4 0.00 0.00 0.00 0 240 120 0.101 0.101 0.101 0 240 120 Pickup
17.2 Operating Time Accuracy
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Measured Time(Sec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 57.70 57.70 57.70 0 240 120 2.00 2.00 2.00 0 240 120 7.574 2 50.00 50.00 50.00 0 240 120 2.00 2.00 2.00 0 240 120 6.334 3 40.00 40.00 40.00 0 240 120 2.00 2.00 2.00 0 240 120 5.044 4 30.00 30.00 30.00 0 240 120 2.00 2.00 2.00 0 240 120 4.004 5 10.00 10.00 10.00 0 240 120 2.00 2.00 2.00 0 240 120 2.294 6 0.00 0.00 0.00 0 240 120 2.00 2.00 2.00 0 240 120 1.915
18. Phase Instantaneous Time Over Current-1 for (50 P) 18.1 Pickup Accuracy
Pickup Level = 3.076 P.U
Time Delay = 0.01Sec
Sr. Applied Current Source 2 (Amp) Status
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 3.077 3.077 3.077 0 240 120 No Pickup
2 3.078 3.078 3.078 0 240 120 Pickup
18.2 Operating Time Accuracy
Sr. Applied Current Neutral Source 1 (Amp) Measured Time ( Sec )
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
19. Phase Instantaneous Time Over Current-1 for (50BF) 19.1 Operating Time Accuracy
Pickup Level = 0.200 P.U
Time Delay = 0.250 Sec (in logic)
Sr. Applied Current Source 2 (Amp) Measured Time
(mSec)
Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 1.39 1.39 1.39 0 240 120 268.9
20. Over Excitation Protection Stage 1(24): 20.1 Pickup Accuracy
Pickup = 1.12 P.U.
Curve = Definite Time
T.D = 5.00
Sr. Applied Voltage (Volts) Applied Freq Status
V1 V2 V3 VΦ1 VΦ2 VΦ3 Hz
1 64.59 64.59 64.59 0 240 120 50 No Pickup
2 64.60 64.60 64.60 0 240 120 50 Pickup
20. Over Excitation Protection Stage 2(24 T): 20.1 Pickup Accuracy
Pickup = 1.15 pu
Curve = Definite Time
T.D = 3.00
Sr. Applied Voltage (Volts) Applied Freq Status
V1 V2 V3 VΦ1 VΦ2 VΦ3 Hz
1. 66.30 66.30 66.30 0 240 120 50 No Pickup 2. 66.32 66.32 66.32 0 240 120 50 Pickup
20.2 Operating Time Accuracy
Sr. Applied Voltage (Volts) Applied Freq Measured Time ( Sec )
V1 V2 V3 VΦ1 VΦ2 VΦ3 Hz
1. 72.0 72.0 72.0 0 240 120 50 3.114
21. 3rd Harmonic Neutral Under Voltage Protection (27TN) 21.1 Pickup Accuracy
Pickup Level = 0.0087 pu Time Delay = 5.00 sec
Sr. Voltage Applied Neutral Source 1 Aux VT (Volts) Status
1 2.00 No Pickup
2 1.90 Pickup
23. Accidental Energization(AE)
23.1 Pickup Accuracy
AE Armed = UV & OFFLINE Under Voltage = 0.7 PU
Over Current = 0.3 PU
Sr. Applied Voltage (Volts) Applied Current Source 2 (Amp) Status V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 0.00 0.00 0.00 0 240 120 0.301 0.301 0.301 0 240 120 No Pickup 2 0.00 0.00 0.00 0 240 120 0.300 0.300 0.300 0 240 120 Pickup 3 41.50 41.50 41.50 0 240 120 0.301 0.301 0.301 0 240 120 Normal 4 41.60 41.60 41.60 0 240 120 0.300 0.300 0.300 0 240 120 De-latched
23.2 Operating Time Accuracy
Sr.
Applied Voltage (Volts) Applied Current Source 2 (Amp) Measured Time(msec) V1 V2 V3 VΦ1 VΦ2 VΦ3 Ia1 Ia2 Ia3 IΦ1 IΦ2 IΦ3
1 0.00 0.00 0.00 0 240 120 0.80 0.80 0.80 0 240 120 23.50 hase TOC and Stator Diff.
Settings should
be switched off to test this function.
24. Ground Time Over Current-1 (51G)
24.1 Pickup Accuracy
Pickup Level = 0.065 P.U Time Delay = 1.00 Sec
Sr. Applied Ground Current (Amp) Status
Ig IΦ1
1 0.066 0 No Pickup
2 0.067 0 Pickup
24.2 Operating Time Accuracy
Sr. Applied Ground Current (Amp) Measured Time
(Sec)
Ig IΦ1
25. Verification of LED’s
Sr. Configuration Remarks
1 Stator differential Functional
2 Phase TOC Functional
3 Phase IOC Functional
4 Ground TOC Functional
5 Generator Unbalance Functional
6 Phase UV 1 Functional
7 Phase UV 2 Functional
8 Phase OV 1 Functional
9 Volts Per Hz 1 Functional
10 Volts Per Hz 2 Functional
11 Loss of excitation Functional
12 Accidental Energization Functional
13 3rdharmonic under voltage Functional 14 Sensitive directional Power stage 1 Functional 15 Sensitive directional Power stage 2 Functional
Tested By Witnessed By
Mr.Mubasher Ahmed Mr.Ijlal
