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What core magnetic balance test of transformer?
How to do this test in a three phase Star delta (star-LV,
Delta-HV) transformer?
How to measure and where to measure?
thanks and regards
Austin
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Answer Posted / e.saravanan
MAGNETIC BALANCE TEST
THIS TEST IS SIMILAR AS OPEN CIRCUIT TEST
PROVIDE THE SINGLE PHASE SUPPLY (BELOW 230 V)TO THE STAR
SIDE OF THE TRANSFORMER BY PROPERLY CONNECTED
1.GIVE SUPPLY TO 2N AND 2U AND THEN MEASURE THE VOLTAGE ON
2N2V AND 2N2W
(i.e)IT SATISFIED THE CONDITION
2U2N=2V2N+2W2N
SIMILARILY THE TEST CONDUCTED ON OTHER TWO PHASES BY SAME
MEANS
(NOTE: NO ONE SHOULD BE STAND ON HIGH VOLTAGE SIDE WHILE
TESTING )
| Is This Answer Correct ? | 100 Yes | 32 No |
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