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What is the correct procedure to shutdown VCB in 11kv
substation.safety and work procedure

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What is the correct procedure to shutdown VCB in 11kv substation.safety and work procedure..

Answer / query

The correct procedure to Shut down VCB is to first trip the
VCB through Manual/electrical command . Then open the
Downstream(outgoing) isolator earth it for any trapped
charges. repaeat the same with the Upstream(Incoming)isolator.

Is This Answer Correct ?    14 Yes 2 No

What is the correct procedure to shutdown VCB in 11kv substation.safety and work procedure..

Answer / balaji

1. Preparation (Permit to work)
2. Separation (Trip the Breaker)
3. Isolation (Isolator isolates)
4. Earthing & Short circuit (Earthing)
5. Screening & Marking the area (Barricading the work area)

Is This Answer Correct ?    9 Yes 1 No

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