How do you calculate of power factor, if it is lagging or
leading for unit(1).

Answer Posted / vishal ingle

we can calculate power factor using formula
P = SQRT(3)* V * I * COS(PHAI)
but for deciding whether leading or lagging p.f we need
complex power
i.e. KVA = KW + j*KVAR or KVA = KW - j*KVAR

Is This Answer Correct ?    3 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

979


How will you justify IR value and Charging voltage of any motor,transformer and Cables.......???? . . . . . . . . Plz tell me any body Baljeet Singh, engineer_89@refiff.com

1628


What is a slack bus?

648


what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

3712


Is Transol transformer oil comparable to nynas nytro libra?

2632






ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

3713


I want to know how to calculate the size of electricity cable in building?

1540


how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

1533


What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

2545


sir, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to eee_dharmendra@yahoo.com

1409


What are different types of control systems?

749


Define norton equivalent circuit?

622


electrical

1803


What is the difference between alternator and generator?

745


what will be project cost for 100 kv transformer connection under oyt scheme.

2419