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what do you mean by earth fault in transformer?
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Answer Posted / nilkanth tailor
EARTH FAULT REQUIRE C.T.(CURRENT TRANSFORMER)..TO SENSES
IMBALANCE IN 3 PHASE..GENERALLY 3PHASE SYSTEM IS IN BALANCE
CKT...IF SINGLE OR MULTI PHASE WAS EARTHED..AND AT THAT
TIME IMBALANCE PRODUCED..CT WILL BE DETECT FAULT CURRENT
AND CIRCUIT BREAKER WILL BE OPEN...THATS CALLED EARTH FAULT
PROTECTION OF X'MER...
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