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

8 Answers   Siemens,

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3 ph motor connected in star delta starter. when we start the motor it run in star but when in is going in delta it trips the main incoming supply. why?

3 Answers   Bajaj Hindusthan,

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Name some application zrea where IDMT relay can used?

3 Answers   SKB,

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what is the similarity and difference between ups and inverter?

4 Answers   GMR,

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In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

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Do you know how to measure the earth resistance? if so explain it

42 Answers   ABB, BEL, BridgeStone, College School Exams Tests, Dalkia, Dalmia Group, DEC, Electrical, Genpact, HEC, IOCL, JLL, L&T, MSEB, Saraca, Sical, Telecommunications, University Exams,

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STATE WORKING OF SF6 C.B.?

1 Answers  

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why constant voltage transformer should be start without load? and if started then what will happen?

0 Answers  

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give me a clear defination of inductance,and how can u calculate inductance of a motor

0 Answers  

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I am an electrical engg and has got selected in wipro should i go there now or try in some core company ?

3 Answers   Wipro,

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what is the function of a commutator in a dc generator?

14 Answers   College School Exams Tests, NTPC, TCS,

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what is ferranti effect?

3 Answers  

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