Answer / sunil singh

if we are not using oil in transformer than generally it's
size must be increased as possible as we can,, in this way
it's size increases so many times to provide insulation as
well as cooling......

Answer / dharmarajsinh

cooling of transformers are based on rating of
transformer.however if oil is not to be used for same
rating than insulation lavel will be increes and than for
cooling force cooling to be provided and altimatly size of
transformer will increases.

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