Answer / bibhu

DC power = VI
AC Power = VI X PF

Answer / mrudang

in DC POWER , the PF not comes in
in ac pf is important

Answer / ramanjaneyulu

for dc power P=V*I
ac power P=V*I*power factor

I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

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what is the problem with single phase AC motors and how is it overcome?

2 Answers  

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0 Answers  

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What Should be the rating of transformer used in 33KV substation?

3 Answers  

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why receiving end voltage increases in a system when capacitive load is added

1 Answers  

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4 Answers  

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1 Answers  

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2 Answers  

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what is bausbar?

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is it possible to minimize the copper loss?

2 Answers   Coal India, TATA,

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