what is PWM in IGBT and how it works for drive.?

0 Answers   BRG,

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What is an Antipumping relay ?

4 Answers  

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Define steady state error.

0 Answers  

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if we convert watt into kva,which one formula use by us,pls tell me?

16 Answers   ABB,

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What makes the difference between 50Hz supply and 60Hz supply which one is economical? What is the use of using increased frequency?

5 Answers   ABB,

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What is dc induction motor ? and how to control its speed ?

1 Answers   HAL,

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Is KCL applicable for close circuit?

2 Answers   Toto,

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how we can improove power factor?????????

8 Answers   TATA,

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In case of a synchronous generator carbon brushes, some brushes expire before the others. Why is so? When all the brushes are installed at the same time, why don't thee expire at the same time?

1 Answers  

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What is the difference between Generator Differential Relay and Transformer Differential Relay?

0 Answers  

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Generation of voltage for each phase are same of a turbogenerator.Although the short circuit current flow when two phase of turbogenerator are shorted(where current can't flow without potential difference),why?

0 Answers  

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what are the different types and applications of compressors?

1 Answers  

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