Mediterranean Journal of Modeling and Simulation
Volume 6, Numéro 1, Pages 023-033
2016-09-30

Elimination Of Harmonics In Modi…ed 5-level Chb Inverter Using De Algorithm



Authors : Chabni Fayçal . Taleb Rachid . Mellakhi Abdelkader .

Abstract

The main objective of this paper is to demonstrate the application of Selective Harmonic Elimination PWM (SHEPWM) based on Differential Evolution (DE) optimization algorithm to improve the AC output voltage quality of modified 5-level Cascaded H-Bridge (CHB) inverter. The DE optimization algorithm is used to solve non-linear transcendental equations necessary for the SHEPWM. Computational results obtained from computer simulations presented a good agreement with the theoretical predictions. A laboratory prototype based on STM32F407 microcontroller was built in order to validate the simulation results. The experimental results show the effectiveness of the proposed modulation method.

Keywords

Selective harmonic elimination; Modifi…ed 5-level CHB inverter; Differential evolution; Optimization.

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