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