How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

0 Answers   ADS Spirits,

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The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

1 Answers  

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how much Amp we can put in 1200kva generator?

11 Answers   MacLellan,

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How to use earthing on shipments.

0 Answers  

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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Why charcoal and salt add in earthing pit.

6 Answers   Garware, NTPC, Sterling Wilson,

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Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

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why single induction motor is not self starter?

3 Answers  

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why neutral grounding transformer is used for generator and why it is not used for transformers?

1 Answers   UPCL,

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in cable joints procedure what electrical problems have been solved out ?

1 Answers  

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why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?

3 Answers   Reliance,

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how to calculate fuse rating for a motor

1 Answers   JSW,

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