Answer / sibananda jena

For starting the engine, and for excitation voltage for the
alternator.

Answer / abhishek

main alternator excitation voltage supplied after rectifying
another small alternator voltage. This small alternator excitor
voltage is supplied by battery.

Why single core cable required bonding at double end.

1 Answers  

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what is meant by 3rd hormonics ?

0 Answers   VRVS,

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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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what is diffential relay? testing proceure?and transformer reach Over load thet time differencilal relay operate or not ?

5 Answers  

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Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

0 Answers  

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CAN WE GENERATE AC WITHOUT DC EXCITATION?

1 Answers  

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how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

0 Answers  

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What are the weight of 800KV DA,DB and DC type tower ?

0 Answers   L&T,

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On which side, taps are provided in tap changing transformers and why?

2 Answers  

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Write the Name of 7 Birsrestho of Bangladesh with their designation

1 Answers  

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can we use the same fuse for both ac and dc?

3 Answers  

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How can we calculate the cable size??? plz give the formula !!!!!

3 Answers  

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