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Why Transformer in KVA?
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Answer Posted / joy das gupta
In X-former two losses- Cu loss and Iron loss.Hence Cu loss
depends on Current(A) and Iron loss depends on
Voltage(v).There is no phase angle between them. Again in
the output side of the X-former, we don't know the types of
load(Inductive , Capacitive, Resistive) which is connected
with secondary coil. Though it is not, we cant fixed the
power factor and it can vary. So under consideration of
losses and avoid the load pf variety, the transformer rating
given in KVA.
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