Selective Harmonic Elimination: A Comparative Analysis for Three-Phase Cascaded H-bridge Nine-Level Inverter


  • Vishwanath B. R. Research Scholar, Department of Electrical and Electronics Engineering, PET research centre, PES College of Engineering, Mandya, Affiliated to Visvesvaraya Technological University, Belagavi, Karnataka, India.
  • P. S. Puttaswamy Department of Electrical and Electronics Engineering, PES College of Engineering, Mandya, Affiliated to Visvesvaraya Technological University, Belagavi, Karnataka, India


Cascaded Multilevel Inverter, Genetic Algorithm, Pulse width modulation, Selective Harmonic Elimination


The Selective Harmonic Elimination (SHE) strategies are used for Three-Phase Cascade H-bridge Nine-Level Inverter (CHBMLI) is thoroughly investigated and compared in the present study. In order to achieve desired harmonic elimination in the CHBMLI, the study validates its effectiveness with various optimization algorithms such as Genetic Algorithm (GA), Particle Swarm Optimization (PSO), Grasshopper Optimization Algorithm (GOA), and Grey Wolf Optimization Algorithm (GWO). According to the findings of the current study, it is found that PSO routinely shown the superiority over GA, GOA, and GWO in terms of voltage waveform accuracy and THD reduction. In addition to this the PSO exhibits competitive computing efficiency, making it a viable choice to improve CHBMLI system performance with reduced harmonic distortions.


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How to Cite

B. R., V. ., & Puttaswamy, P. S. . (2024). Selective Harmonic Elimination: A Comparative Analysis for Three-Phase Cascaded H-bridge Nine-Level Inverter. International Journal of Intelligent Systems and Applications in Engineering, 12(16s), 624–632. Retrieved from



Research Article