Answer Posted / prasad
POWER FACTOR IS COSINE OF ANGLE BETWEEN VOLTAGE & CURRENT
IN AC CKT. HOWEVER IN SIMPLE TERMS IT CAN BE DESCRIBED AS
EFFICIENCY FACTOR OF LOAD IN p.u. IT SIGNIFIES WHAT AMOUNT
OF ELECTRICAL ENERGY IS REQD BY LOAD WITH A GIVEN P.F.
THUS IF TWO MOTORS OF SAY 80 KW WITH ONE HAVING P.F. 0.8
& OTHER HAVING PF 0.85, THEN FOR RATED LOAD FIRST MOTOR
WILL REQUIRE 100KVA WHILE OTHER MOTOR WILL REQUIRE 94.1KVA
OF ENERGY
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
What is the difference between indoor and outdoor transformer
3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??
What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP
what is destructive and non-destructive testing of welding
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
What is the lower limit of break-down voltage of converter transformer.
What is line resistance of cable & how it can be measured ?
Can i replace Earth leakage relay to the faulty Earth Faulty Relay
how to set relay setting? and example calculation...
What is the purpose of using busbar mounting fuse?
what is the stear deltaprinceple?
How to check the Bushings of the transformer?
Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com
State the points to be considered for selecting a particular type wiring.
