Testing of of MV Switchgear and MRMU:
Testing of SF3 6-PH 13.8KV circuit breakers (contact resistance, contact timing, insulation tests an high voltage test).
Testing of voltage and current transformers.
Testing of bus bars.
Testing of power meters.
Testing of sepam 40, protection relays.
Testing of power transformers:
Testing winding resistance and turns ratio.
Insulation resistance and polarization index.
Vector group check test.
Magnetization current test.
Thermal monitor relay test
Testing and commissioning of MV RMU:
Visual and mechanical inspection tests
Panel overall functional test
Earth switch mechanism and function tests
Insulation resistance
High Voltage test
Contact resistance
Current Transformer Test
Relay O.C & E.F test
Interlocking signa