Abstract
The AC motors are usually operated through a DC supply by using inverter circuits. Frequency regulation is one of the methods to regulate induction motor speed. In this paper we perform the speed control of AC motors by connecting front end DC-DC parallel converters for continuous operation, coupled with SPWM based multilevel inverter using sliding-mode controller algorithm for providing feedback signal and the simulation is done in MATLAB. This method reduces total harmonic distortions, improve quality of output voltage and improve motor stability
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More From: International Journal of Recent Technology and Engineering
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