why dc supply is given to the field of alternator

9 Answers  

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why power of fm is weaker than am?

1 Answers  

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132/66kv sub-station procation ?

0 Answers  

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what is Real power and Reactive power ? what is difference between them ?

5 Answers  

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why maintain the Dg PF is 0.8? Explain?

4 Answers  

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What you have to see in transformer after week, month?

0 Answers  

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In the solution of load flow eqation, Newton raphson method is superior to the gauss siedal method because (a)the time taken to perform one iteration in the NR method is less when compared to GS method (b)the number of iterations required in the NR method is more compared to that in the GS method (c)the number of iterations required is dependant on the size of the system in the NR method (d)convergence characteristics of the NR mehod are not affected by the selection of the slack bus

1 Answers  

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 Answers  

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the parts of transformers ?

1 Answers   Bhel, Facility management,

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what is the impedance voltage of transformer?

1 Answers   AVI Enterprises, MacLellan,

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why spark is produced in mosquito bat?and what are the ways to reduce it?

2 Answers   Godrej,

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What is meant by RCCB

3 Answers  

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