Physics · Electromagnetic Induction
A salient-pole synchronous motor is running at no-load. If its excitation is suddenly reduced to zero, then:
- 1It will stop immediately
- 2It will continue to run at synchronous speed due to reluctance torque✓
- 3It will lose synchronism and run at a lower speed
- 4It will reverse its direction of rotation
Correct answer
It will continue to run at synchronous speed due to reluctance torque
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