why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

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if one of the phase is failed to 3 phase IM. what will happen?

6 Answers  

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What is the name and type of power transformer oil?

4 Answers  

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What will happen if apply dc source for power transformer

4 Answers  

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HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?

6 Answers   Equate, Ion Exchange,

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why the motor is rated as kw& transformer as kva

7 Answers   Areva,

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why 30 ma elcb is used ?why cant 100 ma?

3 Answers  

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An alternator is started without excitation then how much voltage it will produced at strating at full rpm??

4 Answers  

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why the transformer neutral give to the earth ?

2 Answers   Jindal, JLL,

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what is the function of turbo charger in disel generators

1 Answers   Kirloskar,

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why we not use capcitor in Three phase motor ??

2 Answers   GOMS, Power Electronics,

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What is chopper

1 Answers   Enercon,

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