DOES A MAGNETIC CIRCUIT CONSUMES ENERGY? IF YES, WHY?

6 Answers  

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How the electric train gets the supply of electricity? What is the return path of the current?

7 Answers   NTPC,

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in electric lamp what is ballast. y its needed to start & stop lamp. what is ballast ckt.

0 Answers  

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what are the steps involved in generator load test?

0 Answers  

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what type of insulation is used for over head lines?

4 Answers   NTPC, WS,

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What is load curve?

2 Answers  

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At what condition differential relay will act in transformer and ht motor?

1 Answers   Equate,

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What is George phenomena to start the synchronus machine?

0 Answers  

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 Answers   ABB, Adani, Central Electricals, Electrical, HCL,

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why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

0 Answers   OGDCL,

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What is the equipment used to control the generator output?

3 Answers  

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Is it recommended to apply H.pot test for new cables segments after terminations or joints, however, this cable has been tested before at the manufactor by the vendor ? or only we can apply megger tests ?

1 Answers   Centroid,

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