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Recent content by still learning

  1. still learning

    pickup of differential current

    Hi.... Can somebody explain me (math or by words)... If we have differential protection of transformer 132/33kV, YND5 with differential protection setting 0.3Ibase (where Ibase is 137A), with CT ratio on HV side of 200/1, and on LV side of 800/1. Pick up value of differential on HV side is...
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