In dc shunt motors, at start, the field excitation is kept at maximum value in order to
A. reduce starting torque.
B. increase acceleration duration.
C. reduce armature heating.
D. avoid voltage dip in the supply mains.
Answer:C
In dc shunt motors, at start, the field excitation is kept at maximum value in order to
A. reduce starting torque. B. increase acceleration duration. C. reduce armature heating. D. avoid voltage dip in the supply mains.