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For a 6-pole three phase squirrel cage induction motor has flux density wave of four poless, then the rotor induced poles will be?(a) 4(b) 6(c) 2(d) 10This question was posed to me during an interview.This intriguing question comes from Flux and MMF Phasors and Waves in Induction Motors in chapter Induction Machines of Electrical Machines

Answer» RIGHT ANSWER is (a) 4

Easiest EXPLANATION: For a squirrel-cage induction MOTOR the rotor will have the induced POLES will be same as flux density poles which are induced inside the machine while working.


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