Speed Control Of An Induction Motor By Using Indirect Vector Control Method

In this paper, an implementation of intelligent controller for speed control of an induction motor (IM) using indirect vector control method has been developed and analyzed in detail. The project is complete mathematical model of field orientation control (FOC) induction motor is described and simulated in MATLAB for studies a 50 HP(37KW), cage type induction motor has been considered . The comparative performance of Fuzzy Logic control technique has been presented and analyzed in this work. The present approach avoids the use of flux and speed sensor which increase the installation cost and mechanical robustness. The fuzzy logic controller is found to be a very useful techniques to obtain a high performance speed control. The indirect vector controlled induction motor drive involve decoupling of the stator current in to torque and flux producing components. KeywordsIM, FOC,PI, IVCIM.

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