why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

0 Answers  

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what happen if turbine trip ,g.c.b not open and excitation on condition?

1 Answers  

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how many current required for hypo test

0 Answers  

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What are the fire Estingushers use in electrical fire?

3 Answers  

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State the points to be considered for selecting a particular type wiring.

0 Answers  

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explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

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Ohms law explain

1 Answers   Hetero,

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Why does the rotor rotate?

1 Answers   Machino Polymers, OPTCL,

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kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

4 Answers   Birla,

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Two alternators say 1 & 2 are poised to parallel operation. But at the time of paralleing alternator 2 gets out of the system by tripping Earth fault relay. Please send me reply why this is happening?

2 Answers  

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When motor stater and roter air gap do big then what will moter.

3 Answers   Intas,

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what is the function of breather in a transformer

29 Answers   Areva, Bhel, RKM Powergen, Vijai Electricals,

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