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Operation of Induction Motor at Optimum Efficiency

Publisher : Operation of Induction Motor at Optimum Efficiency

Campus : Coimbatore

Department : Electrical and Electronics

Verified : No

Year : 2009

Abstract : Abstract—In this paper an 8 switch PWM three phase AC chopper is used to control the stator voltage of a three phase induction motor. Three different control strategies viz., keeping the power factor constant, keeping the stator current minimum and keeping the input power minimum for a given load, are used to operate the induction motor at maximum efficiency. The results obtained from a closed loop simulation using MATLAB and experimental validation in open loop, are presented here.

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