Why current flows in nutral? As per theory there should be no current in 3 ph

Why current flows in nutral? As per theory there should be
no current in 3 ph explain.

Question Posted / hasmat@ali

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Why current flows in nutral? As per theory there should be no current in 3 ph explain...

Answer / j.kesavan

we are always using sy star connected transformers,when
take un balace load at this nutrol get current flow.

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