which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

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What is EMC filter in VVVF Drive ?

0 Answers   Bengal Energy,

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why not starting switch first connect in direct on line starter?????

0 Answers  

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

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a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

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1 ton AC takes how much current( starting & stable)

15 Answers  

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We have a 62.5 KVA DG with Leyland engine and kirloskar slipring alternator. We have earthed the neutral, and another earthing for the dg body. is it necessary to isolate the dg foundation with rubber pads?

1 Answers  

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Why used IGBT IN AC Drives

4 Answers  

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why ss stablity limit is more transient stablity limit?

0 Answers   IOCL,

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where rlc series ckt used?

0 Answers   ABB,

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could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

0 Answers  

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