Answer / santosh

When electrical energy is converted to mechanical energy m/c acts as a motor& when mechanical energy is converted to electrical energy it acts as a generator. This is the basic principle. As far as induction motor is concerned what mentioned above is true.

Answer / shahbaz sahikh

when yhe slip is possitive at that time machine acts as
motor as s=(Ns-N)/Ns and when slip is negative acts as
genrator.

WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?

26 Answers   GE,

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how to calculate cable size in transformer, distribution side?

1 Answers  

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what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

0 Answers  

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how can we find of cable capicity in amper?how much ampere withstand by 300sqmm cable?

1 Answers  

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Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?

3 Answers  

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does meager test perform on lightning arrester ? if doesn't then why ?

1 Answers  

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What is Grounding? any difference b\w earthing? if yes plz explan??

3 Answers   ABB,

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what is resistance

6 Answers   AITM,

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why two over current realy used in vcb.

2 Answers   BSES, Wipro,

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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What is the application of Dyn1 and Dyn11 vector group of transformer?

0 Answers  

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Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

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