why generator and t/f ratings given in kva?

Answer Posted / sujit

Genaraly we signify ratings for any machines in terms of the
losses that the particular machne causes. So in transformer
generaly 2 types of losses can be occured those are cupper
loss and core losses. Where core loss is in terms of Voltage
and copper loss is in terms of current. So to calculate the
rating of a Generator or T/F we consider these 2 terms
Voltage and Current so we consider ratings in VA ( KVA ).

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