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

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


Subject and more

  • LCC Subject Category: Engineering, Nanotechnology
  • Publisher's keywords: Cascaded multilevel inverter, Genetic algorithm, H-bridge modules, Matlab&Optimization Tooolbox, Selective harmonic elimination
  • Language of fulltext: english
  • Full-text formats available: PDF
  • Time From Submission to Publication: 4


    Enes Bektas| Engineering Faculty, Cankiri Karatekin University – Cankiri, Turkey, Hulusi Karaca *| Technology Faculty, Selcuk University – Konya, Turkey


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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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