22kV HT incoming should be 3 phase or 4 phase? why is it not 4 phase?

22kV HT incoming should be 3 phase or 4 phase? why is it
not 4 phase?

Question Posted / nicoo

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22kV HT incoming should be 3 phase or 4 phase? why is it not 4 phase?..

Answer / krishna

To the best of my knowledge, I came across with only 3 phase
system but there is such 4 phase system.
But I think you were talking about 3-Phase 4-wire system.

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