why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
Answer Posted / b madhu sudhan reddy
alternator is a constant speed machine.i.e it always runs
at synchronus speed.so,for producing constant speed we
require constant excitation.so,for the constant excitation
we require constant supplly.i.e d.c supply
| Is This Answer Correct ? | 6 Yes | 7 No |
Post New Answer View All Answers
a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.
what is thermal resistance of PVC Cable.
what is the transiant condition in alternator? and how it can be prevanted?
explain transformer ct connection?
What is trip and closing coil in cb? Why need of them
In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????
Under wat condition statcom operates as an inductor for the transmission line?
Why corona leads to production of Ozone and glow of the color VOILET?
wat is the first thing dat is needed, 2 lay a cable in some area??
show the single line diagram of star delta starter with single phase preventer
Why delta star trformers are used for lighting loads?
what is the use of expulsition protective gap in 11Kv line.
Explain about Leakage Test.
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
low frequency protection why recomend?