What is power focter ?

Answer Posted / shalini.b

Power factor is the cosine of angle between voltage &
current.i.e cos(phi)
or
It is the ratio of Active power to reactive power
cos(phi)=KW/KVA

Is This Answer Correct ?    20 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

2156


In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1446


1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai

1388


relation between power station capacity and voltage level?

1588


What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

1342






What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3143


is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1455


1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

1938


how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

1882


gas turbine genrator reactances

1518


is it possible to test of bus bar in high rise building without completed full floor ?

1179


define digital electronic

1574


Is a direct shorth ciruit on a branch MCCB in a Low Voltage Switchboard a correct means of tesing the performance for discrimination?

1768


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1417


What is called grain-oriented laminations?

626