in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.
1 4557while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?
2885Post New Voltech Electrical Engineering Interview Questions
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