PSO Based Optimal Random PWM for Three Phase Induction Motor Drives

International Journal of Electrical and Electronics Engineering
© 2016 by SSRG - IJEEE Journal
Volume 3 Issue 2
Year of Publication : 2016
Authors : Sivarani T S, Joseph Jawhar S
How to Cite?

Sivarani T S, Joseph Jawhar S, "PSO Based Optimal Random PWM for Three Phase Induction Motor Drives," SSRG International Journal of Electrical and Electronics Engineering, vol. 3,  no. 2, pp. 15-19, 2016. Crossref,


 The paper proposes an endeavour to optimize the time values of the triangular carrier in the case of Random Pulse Width Modulation (RPWM). The generated pulses obtained by RPWM are used for driving the Insulated Gate Bipolar Transistors (IGBT’s) of Voltage Source Inverter (VSI). The output of VSI is fed to the three phase Induction Motor. Total Harmonic Distortion (THD) is employed as the objective function for the optimization problem. Particle Swarm Optimization (PSO) is used to find the best optimal time series values of the triangular carrier in RPWM. Simulation results prove excellent performance on reducing THD of output voltage. PSO optimized random PWM is found to be superior, compared with conventional PWM techniques.




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