Commissioning Service Department
Commissioning Standard Test Formats
Description: END TO END TEST – DIFFERENTIAL Record No.:
Bay no.: Drawing ref.: Sheet: 1 of 1
Contractor: Contract no.: Substation No :
1. Relay Data
Item Items Details
1 Rated Current
2 Rated Auxiliary Voltage
3 Model No.
4 Serial No Local
5 Serial No. Remote
6 Local End
7 Remote End
2. Preliminary Checks
Item Items Details
1 Check the setting are applied at Relay
2 Check the alarms are reset at Relay
3 Check fiber optical cable connection
3. Electrical Test:
Local End Remote End
NSD CB Alarm at Indication CB Alarm at Indication
Signal channel Operation Control at Relay Operation Control at Relay
Initiated initiated Trip A/R Panel Panel Trip A/R Panel Panel
Tested by: ENG. Witnessed by: ENG.
Signature & Date: Signature & Date: