why we use dc motor instead of ac motor?

7 Answers   Air Force,

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i am confused about generator. i have generator of 380 KVA that is 304 KW by that formula KW=KVA*0.8... then by this formula I=KW/V*1.732*0.8 the amperes are 528.673. so that is the load which i put on one phase of generator or this is total 3 phase load on Generator.......

3 Answers   Haliburton,

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what happens when a power transformer neutral earthing broken???

11 Answers   MacLellan,

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What is class X ct? What rare its uses?

2 Answers  

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short notes on npn & pnp transisitor..........

5 Answers  

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what is the different between earth leakage relay and earth fault relay?

5 Answers   ME,

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If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1 Answers   Siemens,

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how we can varying the speed of dc motor ?

6 Answers  

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Why is a thicker conductor necessary to carry a current in A.C.as compared to D.C. ?

1 Answers  

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State norton’s theorem?

0 Answers  

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what is the formulae for calculating the cable size for a given voltage and current.

4 Answers   Bharat Forge,

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advantages of vvvf drives over non vvvf drives for EOT cranes

2 Answers   HEC,

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