What size cable is used for HT cable to the transformer of
630kVA, and the supply voltage is 11kV

Answer Posted / pradyumna chandra panda

k prakaschandra is correct. * 35 sqmm 3core aluminium conductor is sufficient because 630KVA transformer full load current is 31.5 amp and 35 sqmm al conductor can take 70 amp current.

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