Answer / akhil

yes only for some application

Answer / deena

YES WE CAN REPLACE THAT

Answer / guest

no we cnn't. because d.c motor are used in ac aswell as
dc.in case of ac it needs 1-phase supply . so we cann't do that

Answer / r.r.shaikh

we can't use dc motor for such application
because induction motor has imaginary pole and rotating
magnetic field. we can nat make this setup in dc machine

how to reduce the transformer size in ups ?

2 Answers  

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If two hack saw blades, seperated by 1mm thick paper,are connected across 230volts, and immersed in water,then they start getting heat. This is fact,i dont know how they get heated.Blades are not directly connected together. Please if anybody knows the fact ,revert back to me

3 Answers  

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difference between crane drive and line drive.

0 Answers  

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why distribution transformer are of DY11 type?

4 Answers  

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Explain the function of VFD

10 Answers   Dalkia,

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function of apfc pannel

3 Answers  

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which one is dangerous AC Power r DC Power for Electrical Shock ?

10 Answers  

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what is earth resistance? how to measured? and give values at power station and mcc area?

0 Answers   Essar,

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A car's starter motor draws a current of 100 A at 12,0 V when starting the engine. The mechanical power required to turn the engine is 960 W. At what rate is energy from the battery converted to non-mechanical forms of energy?

0 Answers   Siemens,

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what happens when power factor leads or lags to electical or home appliances

2 Answers  

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what is the operation of UPS ? can any one answer me?

7 Answers  

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difference b/w current and voltage relay?

1 Answers  

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