what is the use of power factor ? where its applicable ?

Answer Posted / malik

power fector is cosign angle between voltage & current.

PF=kw/kva = cos
it hould be 1 or unity
eg if input is 230 & out put is 230 then pf=1

Is This Answer Correct ?    8 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In CTs tan delta point should be earthed , what is the reason behind it?

2516


How time response of the system is divided?

696


I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1188


What are the basic properties of signal flow graph?

694


What is an alternator impedance value?

2409






A d.c. Shunt motor is found suitable to drive fans because they require?

740


Please give me a erda placement paper

1301


why we not used 11kva as a direct our electrnics component.

2347


Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

790


what is meant by carrier aided trip protection in transmission line

3316


What is CVT and what is relation with wave trap?

1660


How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

1524


for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

619


What is ideal IR values for ground and neutral.

1307


i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

1607