why supervision relay is used in incoming feeders?

1 Answers  

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How does flights get the neutral(grounding)

1 Answers  

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why 3 phase induction motor only need starter ? why not other motors need starter ?(like synchronous motor,single phase induction motors & their types) ?

3 Answers  

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What is the use of core in the transformer?

19 Answers  

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Difference Between Isolator and Mcb

13 Answers   VHB Medi Life Sciences,

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how to calculate cable size in diffrent loads?

0 Answers   ABB, Sterling,

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If single phase supply is 220v. then why three phase supply is 660?

2 Answers  

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What is difference between slip rings and carbon burushes?

2 Answers   Hyundai, IVRCL,

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For 1 KVA load how much KVARH capacitor can be used ?

3 Answers   NLC, TNEB Tamil Nadu Electricity Board,

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I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

0 Answers   IOCL,

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sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

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What is the diffrence between ofline ups and online ups?

3 Answers   Intel,

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