What will hapen if we connect more capacitors than required
for powerfactor control? Exactly what will be the effect on
power system?
Answer Posted / subhasish roy chowdhury
either way, if the angle fi of P.F cos fi is close to 90 degree (close to Y axis) or 270 degree (close to Y' axis) the effective/usable power is going to reduce because value of cos fi will reduce as fi moves from o degree to 90 degree or 0 degree to 270 degree. So when we are using capacitor bank it should be used only to nullify the lagging part and should not be used in excess.
| Is This Answer Correct ? | 0 Yes | 3 No |
Post New Answer View All Answers
Explain the process of commutation in a dc machine.
any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?
Why do we need a separate control desk & PLC control panel in Boiler plant or coal handling plant? Can we provide cost effective Control desk cum PLC panel. Is there is an specific need for control desk.. kindly advice.
Is there any abbrevation for STUB in Stub bus protection
transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?
1.4 What is meant by CT knee point voltage and how would you determine it
i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?
What is the approximate value of stacking factor?
What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?
15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help
How can find thermal state value in relay for calculate thermal overload.
How 3 phase invertor works?
Single phase and threephase power calculation