Which Kind of machines(in terms of poles) give the smoothest DC
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Which one hurts more AC or DC Current ?
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Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks
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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.