1.

For the three phase induction motor having leakage impedance, the maximum generated emf would be attained at an angle of θ having a purely resistive load is?(a) 90 + θ(b) θ(c) 90 – θ(d) -θThe question was posed to me in a national level competition.My question is based upon Flux and MMF Phasors and Waves in Induction Motors in section Induction Machines of Electrical Machines

Answer»

Right CHOICE is (a) 90 + θ

To ELABORATE: Due to leakage REACTANCE there will be a LAGGING of angle θ in the EXCITATION voltage with the main flux. So the maximum is attained at 90°+θ.



Discussion

No Comment Found

Related InterviewSolutions