What should be cable size for 75KVA 380/220 3ph transformer

Question Posted / essemmay

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What should be cable size for 75KVA 380/220 3ph transformer..

Answer / shashi

P=1.732VI
SO P=75KVA(75000 VA)
V=220 V
I=236
Considering safety you can lay aluminum cable of 240 sqmm or 95 sqmm copper cable

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What should be cable size for 75KVA 380/220 3ph transformer..

Answer / raja

4c x 50mm² Armoured Cable + 1c x 25mm² Earth Cable

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What should be cable size for 75KVA 380/220 3ph transformer..

Answer / essemmay

thanx raja..is it possible 50mm2 for both side cables..incomer and outgoing of the transformer, since the incomer voltage is 380 and outgoing is 220, so the same size is enough??

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