what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

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wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

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What is the lower limit of megger value for 66/11KV power Transformer ?

7 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, Torrent Power,

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what is reactive power and active power

4 Answers  

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Usage of flywheel diode in relays

0 Answers   Jindal, Voith,

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What is Gnat,Ant,Rabbit &Dog overhead conductor? Please explain.

1 Answers  

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method to check earthing

5 Answers   ECC,

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how to find the capacitance value of the motor while running??

0 Answers  

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which metal use as a electrical shunt?

2 Answers  

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When a capcitor is used on 440 v thenthis is kvar rating 25kvar .my question is that when we use this capcitor  use 480 v &525 volt .how much kvar increase . Plz give my question ans. And give answer with formula .my mail id is rohitashsaini013@gmail.com

1 Answers   Neptune,

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What is the make of breakers, transformers, generators? What are their capacities and ratings?

4 Answers   Bharat Bijlee, GHPPL, Tata Motors,

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what s a servo motor? how to control the servo motor? and its application, purpose of using?

2 Answers   Arabian Pipes,

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