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    shylesh's Avatar
    shylesh Posts: 1, Reputation: 1
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    #1

    Nov 19, 2011, 07:07 AM
    If single phase is 230volts then three phase is 415volts how?
    If single phase is 230volts then three phase is 415volts how?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Nov 19, 2011, 07:37 AM
    How what?

    A 400 volt 3 phase system should have 230 volts phase to neutral, 400 / 1.73 =231.21387283236994219653179190751

    A 415 V will be 240 volts phase to neutral.

    There is a great deal of info at:

    The 3 Phase Power Resource Site - Three Phase Power Solutions
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