Abstract
The aim of this paper is to study the performances of Single-phase Induction motor at varying Pulse Width Modulation signals (PWM) and adjustable switching capacitance. The control system is implemented in such a way that it allowed the change in motor speed and loading level. The attractiveness of this configuration is the elimination of pulse generating unit, and the centrifugal switch. The pulses are generated based on the back e.m.f, and the duty period of the electronic switches is controlled in such a way with purpose to obtain optimized capacitor values in turn leads to maximum torque and efficiency. The electromagnetic processes are modeled and the simulation results are presented and analyzed in order to obtain optimized solution combining maximum torque with low capacitors values. Matlab/simulink approach is implemented in processing the behaviors of Single Phase Induction Motor, where the most of the machine parameters are accessible for control verification purposes. Prototype model for result verification should be described in future work.
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