Testing
-
Transformer testing.
-
HV/LV Cable testing.
-
Instrument transformer (CT/PT/CVT & CC).
-
Circuit breaker testing (ACB/VCB).
-
Lightening arrestor.
-
Isolators.
-
Earth pit.
-
Protection relays.
-
Thermography.
Maintenance
-
Switchyard.
-
Circuit breaker.
-
Isolators.
-
Control & relay panel.
-
Lightning Arrestor.
-
CT and PT.
Commissioning
-
Scheme & SCADA testing of switchyard upto 765 kV AIS/GIS.
-
Transformer diff & REF stability test.
-
EHV bus bar stability test.
-
CT core confirmation through primary current injection.
-
PT selection scheme check by 3 phase voltage setup.
-
Function check of transformer auxiliary protection.
-
Circuit breaker commissioning for Siemens/GE/CGL/ABB as per manufacturer standards.
-
Switchyard schematic drawing and cable schedule as build as per standard.