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  1. Needhelp-pls

    Ct testing wye-delta

    Question here... so I am testing ct's on a wye-delta power transformer.. 138kv-69kv-12kv Im testing high side bushing ct's Test leads are hooked up black on H1 and red on HOXO. I had a 44 percent error in my readings and after I shunted lowside (X) bushings together my error went away and...

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