Answer / k.prakashchandra

To reduce the earth fault current in the secondary and for
primary it is of no use .

Answer / k.prakashchandra

NGR connected on primary does not limit the earth fault
current .

Answer / albert kl

NGR USEING FOR MEASURING & PROTECTION FOR TRSNFORMER
(PROTECTION RELAY NEED TIME DELAY FOR SENCEING GROUND
FAULT THATS WAY NGR USEING

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