why are transformers rated in KVA and not in KW
Answer Posted / nachu
Only the voltage (V) or Current (A) is stepped up or down and there is no change in the power (W). Power in this case is reactive power not active power so it is mentioned as KVA.
| Is This Answer Correct ? | 13 Yes | 13 No |
Post New Answer View All Answers
What is the previous name of Cox's Bazar
Why is voltage is required to be within permissible range for an electrical equipment?
working principles of cf lamp,incandescentlamp and f lamp?
what is the isolation transformer. what is the isolator?
I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.
What are the two segments of nyquist contour.
What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?
please send me RRB electrical engineer previous year questions for Sr. Section Engineer
how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.
What is the slip speed?
What is difference between insulating medium and fault current interruption medium in a switching device.
HOW TO CALCULATE THE VT SIZING?
can anyone give an idea about dia calculation in cold rolling mill
What is the importance of earthing?
What’s electric traction?