what is power factor?
Answer Posted / saravanan.p
A graph drawn between voltage(V) and Current(I), a curve
will form due to loss between voltage and current. This is
called power factor.
This is also defind as the ratio between Apparent power to
Actual power.
Power Factor = KW / KVA.
| Is This Answer Correct ? | 9 Yes | 2 No |
Post New Answer View All Answers
i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result
In CTs tan delta point should be earthed , what is the reason behind it?
what is PWM in IGBT and how it works for drive.?
In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?
HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?
why electronic instruments is more favorable than electrical?
why do motors burn out? I understand why adding parallel loads to a power source means more current moves through the circuit, and can destroy circuit elements by overheating. What about when you have a vaccuum cleaner intake flush against a floor, a room fan sitting directly against a wall, or a power drill trying to drill through something too hard?
what are the main applications of transistor in non-linear region?
WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.
In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
Differentiate between Zero and Negative sequence current
why d.c produces corrosion
How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?
We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......