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Starting torque induced in a three phase induction motor in a direction of rotating magnetic field depends on _________(a) number of poles squared(b) inverse of number of poles(c) number of poles(d) number of number poles cubicThis question was posed to me in unit test.My doubt is from Flux and MMF Phasors and Waves in Induction Motors topic in section Induction Machines of Electrical Machines

Answer»

The CORRECT CHOICE is (a) NUMBER of POLES squared

Explanation: T = (pi/8).(P^2) φ (F^2)COS(θ).



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