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Synchronous motors are ___________

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+1 vote
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in Electrical Machines by (135k points)
Synchronous motors are ___________

(a) not self starting

(b) self starting

(c) single excited

(d) none of the mentioned

The question was posed to me in final exam.

My enquiry is from Starting of Synchronous Motors in portion Synchronous Motors of Electrical Machines

1 Answer

+2 votes
by (888k points)
Correct answer is (a) not self starting

To explain: The average torque developed in the synchronous motor is zero.

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