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    Tyson2166's Avatar
    Tyson2166 Posts: 2, Reputation: 1
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    #1

    Jul 22, 2012, 04:02 AM
    Measure 3 phase
    I work at a steel plant and I've had to check power on a 3 phase system. When I measures the voltage it read 480 across 1-2, 2-3 and 1-3 leg which read 480 And is normal but when I read each leg to ground, two legs read 480 but the other leg read 0 volts?? Is this just a curtain type of delta or wye connection? Bc the way I always measure voltage I had power on all 3 legs to ground.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Jul 22, 2012, 04:18 AM
    Could a 480 volt corner grounded delta system. This would produce the voltage readings you found.
    Tyson2166's Avatar
    Tyson2166 Posts: 2, Reputation: 1
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    #3

    Jul 22, 2012, 05:19 PM
    Thanks your rights that's what it was.. I never seen a 3 phase system like that before...
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