what happen if one of 3-phase line has a much higher load when
we are using delta to star transformer?
how we can over-come from that?

Answer Posted / jigar bhanushali

Due to it system will be unbalance hence there will be some
neutral current .now if neutral of sta load is not grounded
then there will be harmonics ingection in the line which
will give poor performance of equipment used at load ide.

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