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  1. pichu1970

    open delta connection PT

    hi if i have open delta connection that connect to relay to detect earth fault u0. the pt is 0.1/3 kv. in normal condition each phase is 33.3v and the sum is 0 if i have a ground fault in one phase what im going to measure each fhase?
  2. pichu1970

    open delta connection

    hi we have open delta connection for earth fault (drawings attach ) there is a way to no in which phase i have the ground fault before i check with megger? i mean after i disconnect to 2 transformer and i have just the bus bar...

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