GA Based Selective Harmonic Elimination for Five-Level Inverter Using Cascaded H-bridge Modules

  • Enes Bektas
  • Hulusi Karaca Selcuk University
Keywords: Cascaded multilevel inverter, H-bridge modules, Genetic algorithm, Matlab&Optimization Tooolbox, Selective harmonic elimination

Abstract

Multilevel inverters (MLI) have been commonly used in industry especially to get quality output voltage in terms of total harmonic distortion (THD). In addition, development in semiconductor technology and advanced modulation techniques make MLI implementation more attractive. Selective Harmonic Elimination (SHE) that can be applied MLI at desired switching frequency offers elimination of harmonics in the output voltage. Also, by using SHE technique with cascaded multilevel inverters, the necessity of using filter in the output can be minimized. In this paper, SHE equations have been solved by using of Genetic Algorithm (GA) Toobox&Matlab and it has been aimed to eliminate desired harmonic orders at fundamental output voltage. Simulation results have clearly demonstrated that GA based SHE techniques can eliminate the demanded harmonic orders.

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Published
2016-05-27
How to Cite
[1]
E. Bektas and H. Karaca, “GA Based Selective Harmonic Elimination for Five-Level Inverter Using Cascaded H-bridge Modules”, IJISAE, vol. 4, no. 2, pp. 29-32, May 2016.
Section
Research Article