At the time of 1st
charging of
transformer, there
were huge inrush
current, so why at
that diffrential relay
are not operated? Why?
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Answer Posted / m.s prabhu
THE TIME DURATION OF THE INRUSH CURRENT IS LESS SO THE CTs
WILL SATURATE, TIME DURATION OF THE INRUSH CURRENT IS LESS
THEN THE PICKUP DELAY OF THE DIFFRENTIAL RELAY.
| Is This Answer Correct ? | 13 Yes | 1 No |
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