Abstract
Abstract: The increment in the cost of electrical energy and relevant development in the material technology, operating cost and some other performance related items, promoted the designers to improve the performance of the induction motors. Three Phase induction motor plays key role in industrial and commercial sectors, because of their numerous advantages. This paper attempts to model an optimal three phase squirrel cage induction motor by changing the rotor winding configuration and keeping all other parameters i.e. stator/rotor slots area, number of stator/rotor slots, stator winding, stator/rotor core material etc. remains unchanged. This work investigates the influence of the rotor winding on the performance of the machine. Aluminum and Copper are simultaneously used as rotor winding material. A standard model of 3-phase induction motor has been taken and two different models are designed by changing the rotor winding configuration and simulated in Finite Element Method. The results have been compared to find out the best optimal model. The Finite Element Analysis software used is FEMM (Finite Element Method Magnetics).
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