The motor used for electric traction is (1) D.C. shunt motor (3) D.C. series motor (2) D.C. compound motor (4) Synchronous motor Answer : The motor used for electric traction is D.C. series motor ...
Why DC motor is used for traction?
Answer : An ideal traction system should have easy speed control, high starting tractive effort, equipment capable of with standing large temporary loads. ...
What is the traction system?
In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are ______ respectively. (A) positive, negative and negative (B) positive, zero and negative (C) positive, positive and negative (D) positive, negative and zero Answer : In quadrilateral speed-time curve of electric traction system, the accelerations during successive time periods are positive, negative and negative respectively. ...
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