What will be the average KVA rating of Auto Transformer
for 75kw 415V , 3phase induction motor
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Answer Posted / baikunth
motor rating in kva = 75/0.5=150kva
so the apparent power is let 200kva.
Keeping the starting condition and fault conditions like
overload,single phasing etc. I suggest 200x3=600kva or
750kva a standard value for the motor of 75kw,supposing that
transformer ration is 1:1.
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