DYNAMIC SIMULATION OF INDUCTION MOTOR IN STATOR REFERENCE FRAME

Electrical Engineering

In this paper is presented comprehensive study and Torque supervise of asynchronous machine build DTC procedure has been developed. Moreover emphasized in the thesis that the method of DTC supervise as well as certify the decoupled supervise of machine torque and machine stator flux. Various speed control scheme like scalar control, rotor resistance control, rotor energy recovery, and variable frequency control scalar frequency control and vector controller are discussed. To directly control the torque of asynchronous machine a suitable an analytical prototype has used. Matlab code has been developed for DTC of asynchronous machine applying SVM. The responds of speed, stator flux linkages, normalised torque, speed and d-q stator currents have been compared .The Matlab code has been developed for obtaining the effective responds of the asynchronous machine along PI Flux controller for speed regulation of asynchronous machine drive with regard to the similar asynchronous machine drive. To achieve a satisfactory respond is tune the PI controller applying a hit and trial approach. The resources developed in the course of current investigation could be easily used for further research work namely to evolve: PI Torque controller, coordinated speed torque controller etc

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