for a slip ring induction motor if the stator is short circuited and rotor is given supply? how does the rotor rotate?1 3385
we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain1260
what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?1355
i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected1214
can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .1 2369
What is meant by sotf,lbb,power swing,pole discrepency,auto reclose?1 5466
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