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what is recommended breakdown voltage of transformer oil?

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what is recommended breakdown voltage of transformer oil?..

@ 2.5 mm gap 6 six readings average should be min. of

30kV for 11kV to 66 kV
40kV for up to 110 kv
50kV for above 230 kV

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what is recommended breakdown voltage of transformer oil?..

Minimum bdv in kv - 60 for 170kv and above class , 50 for
for 72.5 to 170 kv , 40 for below 72.5 kv

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what is recommended breakdown voltage of transformer oil?..

The break down voltage of a transformer is should greater than or raising to 75kv.

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what is recommended breakdown voltage of transformer oil?..

breakdown voltage of the transformer oil will be 3 times of applied voltage.

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what is recommended breakdown voltage of transformer oil?..

According to standards it id 12kV/mm

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