single phase 230v three phase voltage 415volt why we aren't
used line voltage 690v?
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Answer Posted / shoaib9786
When you use the word three phase, it does not mean you are
connecting the voltmeter across all the three phases
(R,Y,B). The voltmeter is connected just across 2 phases,
so the line voltage across it is 440 or 415 volt. Hope that
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