Answer / k.p.sharma

The Earthing Value as per the standard for Raw
power and UPS Pit SHOULD BE LESS THAN 2 OHM and in
panel /DB N-E value SHOULD NOT BE MORE THAN 5 VOLT.

Answer / rathod manhar

For raw power and UPS pit the earth resistance value is
around 1 ohms and N-E value is 1-0.5 ohmsfor good earthing.

campared to ac, in dc corona loss is

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