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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 / ketan
i am ketan more (be electrical)
magnetic balance test
1) step1 given 400v R&Y PHASE ONLY. THAT TIME B PHASE OPEN
OR NOT CONNECTED SUPPLY
MEASURE VOLTAGE RY & YB & BR
READING IS RY=400V (GIVEN VOLTAGE)
YB= (3/4 RY) VOLTAGE
BR= (1/4 RY) VOLTAGE
THISE READING COME MEANS TRANSFORMER IS OK OR MAGNETIC
BALANCE OF PHASE IS OK
| Is This Answer Correct ? | 6 Yes | 12 No |
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