what is the minimum dielectric stregth of transformer oil.
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Answer Posted / zahid noor
Minimum dielectric strength of transformer oil is a wrong
question itself, For New insulating transformer oil, the
value is 70kv, where as oil in use has values ranging from
25 kv to 50kv , depending upon various factors like ,
running hours of use, impurities, moisture content, sludge
content etc, but it is advisable to discard old oil, if
value does not improve after filteration above 30 KV
| Is This Answer Correct ? | 74 Yes | 14 No |
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