what is sf6 where it is use & working or function ?

5 Answers  

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is it value of power factor is more than unit. whats effects in the source supply

0 Answers  

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how the vaccum ckt breaker workes..? how the arc is quenching in it?

1 Answers  

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What is a single phase autotransformer?

0 Answers  

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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Explain what is electric traction? Explain few advantages of electric traction system?

0 Answers  

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Can step down transformer works as step up one???

2 Answers  

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what is meant by LCR meter? where its useful ?

0 Answers  

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if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

0 Answers  

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how power factor improves by connecting syncronous motor

2 Answers   ACC,

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In ac motor,when dc supply is given what happend to the motor?

3 Answers  

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