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Answer Posted / remodeen
FIRST FOR PROTECTIONSOF OVER CURRENT, SHORT CKT IN TRANSFORMERS.,
WHEN BALANCED CONDITION THERE WILL BE NO CURRENT FLOW IN NEUTRAL.,,
BUT UNBALANCED CONDITION HOWEVER THE FAULT CURRENTS GO TO NEUTRAL AND HOW THE PROTECTIONS TAKE PLACE?????
ACTUALLY IN NEUTRAL THERE WILL BE NEUTRAL CT CONNECTED WITH EARTH LEAKAGE RELAY.,,
WHEN UNBALANCED CONDITION OCCURS THE CT SENSE THE FAULT CURRENT THAT GOES TO ELR.,, FINALLY THE RELAY TRIP THE MAIN SUPPLY.,,
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