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Reply To: Protection riddle no.3 – Short line between power plant and substation

#1147
biswanath.das

    biswanath.das Yes, but its to be ensured by contactor that the diff relay doesn’t operate normal operation. Care should be taken for long CT cable, vector group of ICT, relay character etc,. During seting of relay all these considerations also to be taken care also during testing and commissioning.