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why we are caling 440 volt 3 phase supply instead of 660
volt 3 phase supply? because each phase as a voltage of 220
volt. if anybody know the answer for my question please
send it to my mail id. thank you.
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Answer Posted / vishnu kumar
It can be justified from the phasor diagram....the effective
value can be determine as sqroot(3)*v.
| Is This Answer Correct ? | 19 Yes | 10 No |
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