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What is BDV (Break Down Voltage) Test in transformer?

February 6, 2018 by Swami

DWQA Questions › Category: Transformer › What is BDV (Break Down Voltage) Test in transformer?
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Swami asked 5 years ago
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admin Staff answered 5 years ago

BDV test means Breakdown Voltage Test. It is done for checking the dielectric strength of the oil of the Transformer. Dielectric strength means the maximum capacity to withstand voltage of insulating oil. This test shows the dielectric strength of Transformer oil.

In transformer oil has mainly two purposes, first for insulation, second as cooling of Transformer core and other winding. So while designing Transformer oil use in transformer depends on voltage rating. So testing of oil is done according to voltage rating.

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admin Staff answered 5 years ago

BDV test means Breakdown Voltage Test. It is done for checking the dielectric strength of the oil of the Transformer. Dielectric strength means the maximum capacity to withstand voltage of insulating oil. This test shows the dielectric strength of Transformer oil.

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