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The relative speed between rotor and stator field is zero. This means ___________

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The relative speed between rotor and stator field is zero. This means ___________

(a) mechanical speed of rotor is equal to stator field speed

(b) mechanical speed is zero

(c) stator field is stationary

(d) none of the mentioned

This question was addressed to me in homework.

Enquiry is from Hunting and Damper Windings topic in portion Synchronous Machine Stability of Electrical Machines

1 Answer

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Best answer
Right choice is (a) mechanical speed of rotor is equal to stator field speed

Easy explanation: The relative speed is between the rotor and the stator field.

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