Explain principle of Soft-starter & how its working???

12 Answers   MAHINDRA,

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why restricted earth fault protection can not operate for phase faults??as there will be a current in secondary of ct,when a phase fault occurs!

1 Answers   GMR,

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WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??

4 Answers  

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What is C curve and D curve of MCB?

3 Answers   GMR,

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How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.

2 Answers   ITC Infotech, TCS,

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which one is dangerous AC Power r DC Power for Electrical Shock ?

10 Answers  

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How to calculate CT ratio for 11KV 1500KVA Transformer 500KVA MD and 1400KVA connected load ? Note:- As per MSEB(Maharastra state electricity Board)

1 Answers  

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what is pmg and its use

2 Answers  

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what are inductive and capacitive voltage transformers.what are their applications

0 Answers  

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Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.

0 Answers  

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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

22 Answers   L&T,

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wd do u understand by stablity of ps?

2 Answers   IOCL,

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