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The 3-phase induction motor with rotor circuit open will _________

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The 3-phase induction motor with rotor circuit open will _________

(a) not run

(b) run normally

(c) get over heated

(d) make noise

I got this question during a job interview.

Enquiry is from Rotor Frequency topic in section Induction Machines of Electrical Machines

1 Answer

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Best answer
Right answer is (a) not run

For explanation I would say: It will not run because there will not be any closed path for the flux in rotor circuit of the machine to generate emf.

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