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Which of the following is/are used in synchronous machines to maintain mechanical stability?

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Which of the following is/are used in synchronous machines to maintain mechanical stability?

(a) Damper winding

(b) Interpole winding

(c) Compensating winding

(d) Equalizer rings

I had been asked this question in an online quiz.

My question comes from Synchronizing Power and Synchronizing Torque topic in section Synchronous Machine Stability of Electrical Machines

1 Answer

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Best answer
Right choice is (a) Damper winding

To explain I would say: Damper windings are the dummy windings which help to stablize the machine during transient instability.

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