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what is the calculation of power factor?

Answers were Sorted based on User's Feedback



what is the calculation of power factor?..

Answer / 2642

power factor= active power/ apparent power
or
power factor=resistance/impedance

Is This Answer Correct ?    5 Yes 1 No

what is the calculation of power factor?..

Answer / harishdarade563

The power factor is the ratio of the real power that is used to do work and the apparent power that is supplied to the circuit. Power factor values are between 0 to 1.

Is This Answer Correct ?    1 Yes 0 No

what is the calculation of power factor?..

Answer / jeyaseelan

Power factor = kw/kva

single phase =
= watts/v*i

Is This Answer Correct ?    0 Yes 0 No

what is the calculation of power factor?..

Answer / krishna das

power factor=true power/apparent power or power factor=V.I.cosfie

Is This Answer Correct ?    0 Yes 1 No

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I hv a question regarding power factor improvement just after transformer. I request you to reply me plzz. thank you sir. My friend has a small unit of fabrication. in his factory the main load is a welding machine, lathe machine, grinding machine. this load is not continuous type. now our electricity board has installed 16 KVA, 11000/433 V transformer for our factory. In the energy meter (trivector meter) at LV side of transformer, i hv seen power factor value of 0.15 only when only 3 KW load was flowing. Further electricity board has suggested to install 4 KVAR capacitor at LV side after energy meter. Now my question is that if we permanantly install and switch on 4 KVAR capacitor after energy meter, during some load on transformer and also without any load on transformer, wht will be the power factor shown in energy meter?i dont want to get any penalty by electricity board, so plz suggest me if i can permanantly install and switch on the 4 kvar capacitor or not at LV side of transformer just after energy meter? Thank you again and awaiting for ur positive reply soon.

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