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- Subject
- Synchronous Motorselectrical-engineering-mcqs › synchronous-motors
- Published
- 19 Oct 2018
- Last updated
- 28 May 2026
Explanation
The coupling angle or load angle in a synchronous motor is defined as the angle between the rotor and the stator poles that have opposite magnetic polarity. This angle is crucial for understanding the motor's torque production and synchronism.
More Synchronous Motors MCQs
Practice related questions from the same subject.
- 1.What is the primary application of an over-excited synchronous motor?
- 2.At what operating condition can a synchronous motor generate synchronous torque?
- 3.What factors determine the maximum power output of a synchronous motor?
- 4.For a synchronous motor, the breakdown torque is proportional to which of the following?
- 5.What is the term for a synchronous motor operating at a leading power factor without any mechanical load?
- 6.When a synchronous motor is correctly synchronized with the power supply, operating without any load and experiencing negligible losses, what will be the condition of the stator current?
- 7.What is the term for the highest torque a synchronous motor can produce while stationary, regardless of the rotor's angular position, at rated stator voltage and frequency?
- 8.What will happen to an unloaded salient pole synchronous motor if its field winding becomes open circuited?
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