Answer / rajeev

Because inverter oprates on dc

Answer / poonga

T/F losses depend on core and copper not on power factor .this is reason why it is being mentioned in KVA

Answer / prapulla

Transformer works under ac supply.so it depends on power factor also.where in case of machines working under dc supply, there is no pf.

How can we increase the capacity of exixting capacitor bank??????????????? PLS. Help

1 Answers  

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What is an iron loss or core loss pi?

0 Answers  

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A distribution transformer giving afrequency of 200HZ, where it is rated for 50HZ. when it will occure?

2 Answers  

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How the field flux is controlled in DC drive ?

4 Answers   TATA,

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what is the equation of converting KW into HP ?

4 Answers  

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Which pump set is more suitable and economical for liftingwater from 300Mtr borewell? A. Compressor Pump B. Submersible Pump C. Jet Pumps D. 25HP Centrifugal Pump Q. from PSC Test 22-11-2008 Meter reader

8 Answers  

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Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

0 Answers   HPCL,

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AVR is used for the Voltage regulation of the Generator using the feedback signal by exciting the field winding of the generator.But how the field winding will be excited & using what?

2 Answers   Alstom,

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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what is the tolerance for the magnetic balance test conducted on the distribution transformer?

0 Answers  

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why we cant use AC supply products in DC supply?

21 Answers  

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how to decide the rating of the ct for 1500 kva transformer

1 Answers  

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