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  1. claghe

    CT ration for solidly grounded XFR's

    Hi to all, I have a power transformer MV/LV with its secondary solidly grounded. What would be the ration of the CT used in the grounding circuit for the grounding protection? Should this CT match the CT’s used in the secondary phase o/c protection? As an example 2MVA, 13,8/0,48kV, solidly...

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