railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Alternator and Synchronous Motors
Damper winding in synchronous motors is used to ________.
A) Prevent the effect of hunting
B) Make synchronous motors self-starting
C) Reduce the speed of synchronous motors
D) Provide constant synchronous motor torque
1
A and D
2
C and D
3
B and C
4
A and B