What is superposition theorem?

0 Answers  

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

0 Answers   Jindal,

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HOW many type of Circut Breaker in the world used in 400 kv substation?

14 Answers   Power Grid,

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can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 Answers   Essar, Oracle,

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we change the speed of the synchronous motor by incresing or decreasing a rotor resistance

1 Answers  

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What is the working principle of VFD

3 Answers   HCL,

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Do closed loop systems require manual input?

0 Answers   GE,

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

6 Answers  

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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Why VCB and SF6 breakers to be used in HT used by cant ACB of higher rating to be used for 11kv and 33kv.

8 Answers   TCS,

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what is diffrence between dc motor and dc generator?

3 Answers   HBL Power Systems,

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Earth has zero potential then what would be the neutral potential ?

0 Answers   JLL,

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