what is power factor?

is it good or bad for a system?

what will happen if power factor increase or decrease?

Answer Posted / karthik_elec

power factor : the cos angle between voltage and current,
when pf increase current reduce
when pf degress current will increase

if pf increases good for the system

Is This Answer Correct ?    7 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is difference between cpp electrical system and refinery electrical system

1738


why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2359


What is the vector group of a transformer,how can it be found out?

1573


how we calculate the withstansing current capacity of wires&cables?

1485


Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

1608






write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2066


which type of amplifiers are used in multimete?

1639


how many synchronous motor are there in any power plant

1480


can any one suggest paper presentation topies for electrical engg?

1496


why does the magnetic balance tests at transformer?

1420


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

1417


Z transform is use when system is not a) converges b) diverges

1175


how to calculate

1170


The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

1491


what r PID controllers?why they r used?what is there purpose?plz Explain in detail

1620