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A cylindrical rotor alternator can also run as reluctance motor.

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A cylindrical rotor alternator can also run as reluctance motor.

(a) True

(b) False

This question was posed to me at a job interview.

This is a very interesting question from Power Angle Characteristics of Synchronous Machines topic in division Synchronous Machines of Electrical Machines

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Right option is (b) False

For explanation: The net reluctance power for a cylindrical rotor type alternator will be zero if the field excitation is made zero. There will not be any torque generated.

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