if single phase is having 220v supply then why three phase is having 440v instea

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?..

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

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4 Yes

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?..

Answer / rinkesh

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

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1 Yes

1 No

if single phase is having 220v supply then why three phase is having 440v instead of 660v?..

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.

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?..

Answer / m.md rafi leo

In 3 phase supply any one line act as neutral

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8 Yes

16 No

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