railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical Machines Single Phase Motor and Special Machines
Which of the following statements regarding hysteresis motor is correct?
1
It is extremely sensitive to fluctuations in supply voltage
2
Its high starting torque is due to its high rotor hysteresis loss
3
noise level of the hysteresis motor is very high
4
it has low rotor hysteresis loss