SHEET : 1 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
1. Location : 33KV Substation / 6.6KV HT Panel
Feeder Name : +L01=LZ12/ Spare Motor (W/O Diff) / P. No: 01
2. Name plate details :
Make Siemens
Type / Model No. RHO3 7SG1714
Sl.No. 103392302/002
TESTED BY WITNESSED BY
SHEET : 2 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
Ux 110/220V
Fn 50 HZ
3. General Inspection : OK
4. Service Settings:
Thermal Protection CT Failure Setting OFF
Thermal Overload 0.20*In OC / VC Protection
NPS Weighting Factor(K) 0.0 P/F Alarm OFF
Ʈh Heating Constant 1.0 min P/F Trip Setting OFF
TESTED BY WITNESSED BY
SHEET : 3 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
Ʈ Starting Constant 1.00*In P/F Trip Delay OFF
ƮC Cooling Constant 10*Ʈh E/F Alarm Setting OFF
Hot/Cold Curve Ratio OFF E/F Trip Setting OFF
Thermal Alarm Capacity OFF E/F Trip Delay OFF
G1 Load Increase Alarm OFF U/C Alarm Setting OFF
Thermal Restart Inhibit 50% U/C Trip Setting OFF
Motor Start Current 3.0*Iθ Phase Unbalance
Motor Strop Current 0.1*Iθ Unbalance Type OFF
Stall Delay 1 (ts1) OFF Number of Start
Stall Delay 2 (ts2) OFF Max Number of start OFF
TESTED BY WITNESSED BY
SHEET : 4 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
CB Fail Time delay 1 OFF Time b/w Starts OFF
5. Secondary injection test:
5.1 Thermal O/L:
Ref Set Current (A) Injected Current (A) K Ʈh Operating Time(S)
RY 0.2*6 1.210 0 1.0 3.561
YB 0.2*6 1.210 0 1.0 3.546
TESTED BY WITNESSED BY
SHEET : 5 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
5.2 Phase O/C:
Ref Set Current (A) Operating Current (A) Set time(S) Operated time(S)
RY 0.5 0.503 0.2 0.254
YB 0.5 0.503 0.2 0.261
5.3 Earth Fault:
TESTED BY WITNESSED BY
SHEET : 6 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
Ref Set Current (A) Operating Current (A) Set time(S) Operated time(S)
E/F 0.01 0.015 1.0 1.058
5.4 Under Current Protection:
Ref Set Current (A) Operating Current (A) Set time(S) Operated time(S)
RY 0.1 0.104 0.5 0.564
YB 0.1 0.109 0.5 0.532
5.5 Unbalnce Protection:
Ref Injected Current (A) Operating Current (A) Set time(S) Operated time(S)
TESTED BY WITNESSED BY
SHEET : 7 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
RY 0.1 0.174 1.0 1.274
YB 0.1 0.174 1.0 1.183
6. Functional checks : (Whether Operational Checks OK / Not OK / Not Applicable)
1 Wiring checks OK
2 Correct operation of appropriate indication/aux.relay OK
3 Correct operation of alarm contacts OK
4 Correct circuit breaker tripping contacts OK
5 Relay cover properly fixing OK
TESTED BY WITNESSED BY
SHEET : 8 OF: 8
TEST REPORT FOR MOTOR PROTECTION RELAY PAGE :
DATE : 06.05.2019
Client : M/s. Hindustan Zinc Limited, Kayad Mine, Ajmer.
Project : Maintenance Testing of Relays.
6 Correct operating reset switch OK
7. Comments : Nil.
8. Remarks : Relay Found Healthy.
TESTED BY WITNESSED BY
