why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
Answer Posted / nagarjunacharya
to produce emf in the stator either we should apply
alternating flux or dynamic(rotating) conductor.as already
we are rotating rotar by prime mover ,wewe have to apply.
| Is This Answer Correct ? | 7 Yes | 5 No |
Post New Answer View All Answers
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
CBCT selection
where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz
Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault
How can we calculate the motor frame sizes?
sir i want previous entrance exam papers for written test
please give some hindalco placement papers for written exam
If not into production, how far did you follow the design and why did not you see it into production?
how you will decide the distance between the power transformer and its fencing
what will happen if synchronous machine rotor fed from single phase ac supply
In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.
what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.