how to remover corona effect and hysteresis losses from contactor

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11 KV Power cable end earth connection insulation got burned wht is the reson pl give the resons

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which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

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What are the earth resistance Standards of 66kv sub stations according to indian norms.

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How to select the cable and voltage drop in circuit?

0 Answers   DEWA,

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What are the different types of testing in ht cables?

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if suplly 11kva its give 440volts then if suplly is given 10kva whats the volts given

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How does frequency affect KVA rating of a transformer? If a 500 kva, 400 v, 60 hz t/f is to be operated on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same Also explain why do u think like that.

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Can a dc motor works as a dc generator. If yes , then how?

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Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?

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How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

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As we know induction squirrel cage motor torque Directly praprortinal to applied voltage in star connection & delta also. If I connect 55KW Motor to DOL starter in load condition does motor withstand the load & what will be the current withdrawn ? motor will not fail ?

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