Why transformer rating in KVA? describe.

Answer Posted / shiva

kva is active power+ reactive power
the really used power is active power only.
which is v*i*cos pi.
but we dont know user's power factor so ratings are kva for t/f.

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What do you mean by transformation ratio of instrument transformer?

636


Is RTCC panel needs any control supply.

1503


What is a dc motor?

671


What is deference between MCB & MCCB & ISOLATOR

1481


if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1541






In which working principal temperature transmitter work.explain in detailed.

1837


volts=230 c=10mf a=??

1587


What is acsr cable and where we use it?

722


What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.

1336


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1597


How energy is generated in hydroelectric power plant?

636


what is the difference between changer, converter and transformer?

908


Cb closed condition if there is a tcs fail whether cb will trip or not

1323


What is relation between mu(nought) and epsilon(nought)?

884


What is corkscrew rule?

684