Answer / anurag_2305

If we supply LT supply to a HT motor the supply would not be
able to develope sufficient starting torque to start the motor
.
And if it is rotating at lower speeds it would not be able to
develope the full load torque as torque is a function of E
Supplied.

what is the difference between skin effect

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Dear Sirs, I am a technical persons.In one of our Electrical Sub- Station, We have installed three numbers of 1250KVA ,11KV/0.415KV Transformer to feed the Factory load. We have found some abnormality. In one of our Transformers the leakeage current from transformer body to earth through earth continuity wire is almost 86 Amp but in other transformer it is (5-10)Amp. where the load current on three phase and neutral are respectively 1360Amp,1400Amp,1370 Amp & 176Amp. So please any technical person help me about the reasons of this situation and how I can rectify the fault. Moreover,I have measured the earth resistance of the Earth continuity wire which is less than 1 Ohm. Thanks Tapas Barua

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which subject is better to tell when hr asks the area of interest?..

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