Implementation of PWM technique with soft starting algorithm for three-phase induction motor drives
by Rajan Vinodray Vamja; Rakesh Maurya; Shaikh Mohammed Suhel
International Journal of Power and Energy Conversion (IJPEC), Vol. 11, No. 4, 2020

Abstract: In this paper, a study on issues related to starting of induction motor is carried out. Performance comparisons of various starting methods are also studied. To investigate the performance of ramp soft starting algorithm, sinusoidal pulse width modulation (SPWM) and space vector pulse width modulation (SVPWM) techniques are implemented with voltage source inverter (VSI) fed induction motor. Detailed FFT analysis of stator voltage and current of induction motor is studied under wide range of speed variations. Based on experimental study, few recommendations for implementation of boost start-up and s-curve start-up algorithm in Microcontroller (STM32F407VG) are made for high inertial load. Experimental results are obtained and its performance analysis in view of FFT of motor current is also carried out for aforesaid PWM techniques.

Online publication date: Thu, 01-Oct-2020

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