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WHY TRANSFORMER RATING IS MENTIONED IN KVA RATHER THAN KW
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Answer Posted / parthi
The copper loss of
transformer is depent
on the current and iron
loss is depent on the
voltage. The losses
are does not depent
on the frequency so
the transformer
ratings are in Kva not
in kw.
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FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
