Why DC excitation is used for alternators? Why cant it be AC?
Answer Posted / samy
DC supply gives constant , steady magneticflux.
but AC supply gives an alternating flux. so in alternators
field give to dc supply.
| Is This Answer Correct ? | 9 Yes | 21 No |
Post New Answer View All Answers
We have 5 Distribution sections with variable loads&We have 3 Gensets(500kva,380kva&250kva) our total load is between 400kva to 600kva. so how could we connect 3gensets.
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
What are the applications of the electric motors?
List the characteristics of filter?
What is difference between YNyn0 and YNyn ??
Explain what is electric traction? Explain few advantages of electric traction system?
show the single line diagram of star delta starter with single phase preventer
two phases with neutral supply can be taken in 3C X 10 sq.mm cable .
how is control wiring coding is done in a CRP panel ?
What is inverse definite minimum time lag relay? Where is it use?
my b-tech percentage is 50%. what answer will satisfy the hr ?
what is the eight bit unit?
How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?
How many devices can be connected in one zone of FACP
Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT