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  • Users: AFD
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  1. AFD

    Transformer differential protection

    nraju, Dear friend, what I know from experience is that your CT connection should acount for the power transformer connection vectors (DY1, DYn11 etc..) causing a + or - 30deg phase shift. ex. Delta/Y transformer CT shall be connected in Y on the primary and delta on the secondary. I also know...
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