wht do u mean by constant flux linkage theorem ?

3 Answers  

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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How power factor of electric system improved?

6 Answers   Nalco,

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what is the formula for backup time of online ups?

1 Answers  

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Hi My Dear All Friends, There is one question it is widely used in Power Project's High Voltage Engineering. Question- What is the diffrence between Earth fault and Back up Earth Fault....???? . . . . . . Have A Good Day

1 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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If increased the frequency up to 1000 then what changes shows in voltage?

0 Answers  

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,

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how electricity is generated an supplied till consumer

1 Answers   Power Grid,

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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What's is the difference between IVT and CVT?

1 Answers   CPCL,

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what is the principle of motor

6 Answers  

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