1.

During the starting of the 3-phase synchronous motor by damper bars, the field winding is usually short circuited so that starting torque is equal to __________

A. induction motor torque plus an additional torque produced by short circuited field winding
B. induction motor torque
C. electromagnetic torque
D. reluctance torque due to rotor saliency
Answer» B. induction motor torque


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