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How to take Transformer oil Break down voltage test?
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Answer Posted / dinesh kumar
TRANSFORMER OIL BDV is carried out as per IS-336 for nomal
and IS-12463 for High viscosity oil.
1.Take one sample from top of Transformer and one from the
bottom of transformer.
2.The BDV of oil should withstood min 50 KV
3.The gap between the test sample is 2.5mm maintained
4.Each sample(top/bottom) should be checked seperately
5.Procedure
a.Voltage should be gradually increased from 0.
b. At one point Flash will take place and that point is
termed as Bread down Voltage
| Is This Answer Correct ? | 119 Yes | 10 No |
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