MATLAB Simulation of Three-Phase SCR Controller for Three Phase Induction Motor.

Document Type : Research Studies

Authors

King Saud University

Abstract

Thyristors are now widely used in many power electronics and motors drives applications. This is due to their several advantages such as relatively small size, low losses, market availability, and low cost, In this paper, a stator Voltage control of three-phase induction motor by using thyristors is analyze and simulated in details. The stator voltage has been controlled by phase angle control of three-phase supply. The effect of harmonic distortion in the time voltage and current have been studied and shunt. The study reveals that, This method is suitable for applications requiring a low turque and low speeds. The power factor, efficiency and torque capability of the motor drop dramatically for lower voltages. Firing requirements and Umits of control have also been studied. Recent PSIM6. I program has been und lo simulate the whole system. The simulation results from PSIMG.I have been found in correlation with their counterpart from MATLAB 7. 

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