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What it indicates by 25/41MVA on transformer?

Answer Posted / t eswara rao

25 / 41 MVA rating means that
25MVA rating with normal cooling arrangement.
41MVA rating with special cooling arrangement, like External
cooling fan arrangement for more cooling

For ex: 25MVA with ONAN (Oil Natural & Air Natural)
41MVA with ONAF (Oil Natural & Air Forced)

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