In a star-star connected h.t transformer why we use NGR on
the secondary (l.t)side.
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Answer / k.prakashchandra
To reduce the earth fault current in the secondary and for
primary it is of no use .
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NGR connected on primary does not limit the earth fault
current .
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Answer / albert kl
NGR USEING FOR MEASURING & PROTECTION FOR TRSNFORMER
(PROTECTION RELAY NEED TIME DELAY FOR SENCEING GROUND
FAULT THATS WAY NGR USEING
Is This Answer Correct ? | 0 Yes | 1 No |
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