Abstract
Due to large application of induction motor in industries it has become prudent to work on its efficiency. As the inverter output provides variable voltage magnitude and frequency, with lesser harmonics the efficiency of induction motor is improved. It is possible only with a better gate pulses. With recent development in power electronic devices, various PWM techniques have been developed. The most widely used PWM technique for a 3 phase VSI is SPWM. This paper focuses on step by step development, simulation using MATLAB/ SIMULINK and also hardware implementation of SPWM pulses.
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