IN Electric train which type of motor is used,for what reason they uses?

3 Answers   L&T,

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What is the difference between rated and maximum speed of 3phase induction motor.....? Can the motor speed exceeds the rated speed..?

1 Answers  

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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what is difference between inductive and reactiveload?

5 Answers   ONGC,

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One watt is equal to how many? we says one watt bulb,means what it consume?

3 Answers  

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What is the full form of SON-T lamp?

1 Answers   HAL,

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what is the difference between a feeder and a cable?

3 Answers  

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what is ramping rate of generator

0 Answers   Core,

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why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 Answers  

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?

1 Answers  

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At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

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