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Two three phase squirrel-cage induction generator are identical in all respects except the fact that the slot depths in machine B is more than that of A. Machine B as compared to machine A, will have _________(a) less pull out torque but better power factor(b) more pull out torque but poor power factor(c) less pull out torque and poor power factor(d) more pull out torque and better power factorThis question was posed to me during an online exam.This is a very interesting question from Induction Generator topic in section Induction Machines of Electrical Machines

Answer»

Right OPTION is (a) less pull out torque but BETTER POWER factor

Easiest explanation: As the slot depth in MACHINE B is more than that of A, B will have higher reactance as the LEAKAGE flux will be lesser.



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