How to Calculate 11 KV Side Cable size of a 250 KVA Oil
cooled transformer
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Answer Posted / pillay
IS it a 250 KVA or 2500 KVA transformer? any way you must
know the operating current first before determining the
cable size. if 250 kva than 250000 / 11000 / 1,732 = 13.12
amps the cable should be able to withstand 11000 volts and
carry 13.12 amps.
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