Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer

Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN
cooling Power Tranformer be increased up to 25 MVA with
respect to its %Impedence by ONAF cooling with same
rating..?

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Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 2..

Answer / appana ravi kumar

if we are using ONAF transformer , the winding temperature
of the transformer can be controlled , so the transformer
impedence also increase . transformer can be run above the
full load.

Is This Answer Correct ?

5 Yes

0 No

Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 2..

Answer / guest

Above Transformer with same electrical parameter will have
higher capacity when its cooling system provided with ONAF
upon ONAN cooling System. As well as its %Impedence will be
also increased as accordingly.

Is This Answer Correct ?

2 Yes

3 No

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