Explain the process of commutation in a dc machine.

0 Answers  

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what is the difference between brushed alternator ,brushless alternator & permanent alternator ?

1 Answers  

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Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

0 Answers  

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what is Fault level? why it is calculated? how will u decide same for our plant?

0 Answers  

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how to select proper cable for ct wiring so that drop within the limit.

0 Answers  

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if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

1 Answers   CCP,

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my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

0 Answers  

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which level of transformer oil has got low dielectric strength ?why?

2 Answers  

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different between horse power and break horse power

2 Answers   Allied Group,

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What is the difference between neutral and ground?

3 Answers   Cethar Limited, Torrent Power,

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Why one can experience electrical Shock due to Voltage or Current?? or both voltage or current??

11 Answers  

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if the syncronous machine run at leading pf and as its field curret increased its armature current decreased is machine operate as generator or motor?

1 Answers  

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