Why do we give DC excitation to AC Synchronous motor??
- 9 Answers
- 33944 Views
- Lance, MBM, Polycab, I also Faced
- E-Mail Answers
Answer Posted / ashok kumar
In AC synchronous motor its stator coil is not a
permanment magentising property so it is connected with dc
exciter for initial operation purpose.
| Is This Answer Correct ? | 5 Yes | 33 No |
Post New Answer View All Answers
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 ?????
What is a parabolic signal?
What are the commonly used schemes for the bus zone protection?
how the works electronic energy meter?
bus bar design conditions and sizing pls tell me quickly
While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?
How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?
Is it possible to protect 3phase overload and earth fault of the 3phase system using two CT's.
What is knee point voltage of transformer?
how are reversing the direction of rotation of dc motor
what is differant beetween overload current and phase current?
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
In Power cable specification what is U0/U and Um.
HOW TO TEST A LIGHTENING ARREST ER ?
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
