Answer / gaurav kumar

in case of 1 phase the voltage is measuered between one phase wire and another neutral. And called phase voltage. Whereas in 3 phase line voltage is measured and used

Answer / rinkesh

I phase = 220(I line) × 1.71 (root 3 )

Answer / sanjeev

voltage means potential difference between two points. In case of single phase potential difference between phase and neutral is 220v.
in case of three phase(R,Y,B) potential difference between R & Y is 220 and Y& B is 220

Hence the voltage offered by a three phase(LT) system is potential difference between Three phases i.e. 220+220=440 volts.

Answer / m.md rafi leo

In 3 phase  supply any one line act as neutral

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