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What should be the BDV value of a new transformer oil
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Answer Posted / pradyumna chandra panda
For 11kv suppy it is 40kv/2mm at normal temprature is ok. As per my experience it is reach upto 125kv/2mm at 40°c after filtration but we keep it 60kv/2mm NB-Below 24kv/2mm is rejected oil.
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