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  1. AmitDarwhekar

    Metering PT Reading different values on all three ph-ph voltages

    Hi All, I have a 4200:120 open delta metering PT, which gives following voltage measurements when the voltage is measured phase to phase on the secondary side of the PT: Vab = 118.8 (4160), Vbc = 119.4 (4180), and Vca = 120(4200). I know that the voltages typically differ marginally on all...

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