what is the powerfactor
Answers were Sorted based on User's Feedback
Answer / kavitha.s
it is ratio of active power to apparent power is called
power factor. it is expressed as PF= KW/KVA
Is This Answer Correct ? | 8 Yes | 0 No |
Answer / bhupendra
Power factor is cosine of angle b/w voltage & current.
Mathematically
Cosφ=Power/Voltage*Current)
Cosφ=R/Z
where R= Resistance
Z= Impedance
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / shaikh aijaz
it is the cosine angle between voltage and current,
and from impedance trangle it is the ratio between
rasistance and impedance,
cos0=r/z
it is also define as the ratio between active power and
apparent power.cos0=kw/kva
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / amit rajak
power factor is the cosine angle between voltage and current
which balances both these electrical quantities.It is
ideally considered as 0.8 for electrical equipments for its
maximum efficiency.if it is not properly regulated than
there may be rise of any one of the above parameters which
will definitely effect the efficiency
it can be properly regulated by using capacitors in
domestic installation systems
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / 98794
IT IS A COSINE ANGLE B/V APPLIED VOLTAGE AND CURRENT
Is This Answer Correct ? | 0 Yes | 1 No |
WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?
explain me the exact concept of generator neutral....????
what is b checks and m checks in diesel generator maintenance?
what is a drive ?
Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.
0 Answers Motherson, Motherson Molds and Diecasting Ltd.,
Define characteristics impedance?
why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?
Hi friends. is it possible that SCADA System through RTUs can connect Via PLCC Communication carriers ? thanks
if u have to run a 300kw moter then what is ur choice HT or LT switchgear & explain why?
WHAT IS THE USE OF PIG TAIL IN WINDOW TYPE CT ?
PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.
wts d diff b/w C.T. & P.T.?