1.

The direction of rmf when a single phase supply is given to stator of three phase induction motor is?(a) Zero(b) Ns(c) 2Ns(d) -NsI have been asked this question in an interview.This question is from Principle of Operation in portion Induction Machines of Electrical Machines

Answer»

Correct CHOICE is (a) Zero

To explain I WOULD say: There will be no RMF generated as a single phase is only fed to the THREE phase of induction motor.



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