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check list for anuval maintatince check list of oil
transforms
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Answer Posted / parmod kuma
In annual maintenance we check the following points in oil
type transformer
1. We check the die-electric strenth of the oil.
2. We check moisture of the oil.
3. we check Be=reak down voltage of the oil.
4. We check the earthing of the transformer
5. We check Silica gel .
6. We calliberate all the relay like over corrent, earth
fault & differntial relay.
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