what is the minimum dielectric stregth of transformer oil.
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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