what is the difference between KVAR & KVA ?
Answer Posted / nkwocha obinna
KVA = V*I
KW = V*I*cos theta
KVAR = V*I*sine theta
kw is the real power
kva is the apparent power
kvar is the reactive power
| Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"
what is 400kv doble circuit quadpole tower?
witch pump used in wtp
what is ramping rate of generator
1)Explain why the cradle guard is used on railway crossing in overhead line construction?
what is droop control?
What is star-delta transformer?
What is meant by stator? What is meant by rotor?
Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?
how to calculate earth fault relay current and CBCT ratio
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
Why we use auxillary relay ? what is function of differential relay, directional o/c relay?
In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.
WHAT IS DEAD END IN PROTECTION?