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This paper presents a 5-level inverter that is designed for power conversion and to decrease the total harmonic distortion (THD). The THD is reduced by expanding the number of voltage levels of MLI and also with the help of device control technique, i.e., pulse with modulation method. Cascaded H-bridge multilevel inverter is designed for higher power, medium voltage appliances with a developed power semiconductor device. The most widely implemented SPWM schemes for inverter control are LSPWM and PSPWM. However, LSPWM produces poor THD compared to PSPWM. Therefore, in this paper, to analyze the performance characteristics of the three phase and single-phase 5-level inverter, various LSPWM techniques are implemented. The comparison study is analyzed by developing an inverter model in MATLAB Simulink environment.

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Performance Analysis of Single Phase and Three-Phase Cascaded H-Bridge Multilevel Inverter

  • 会议论文

  • 发表日期：

    2026年

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  • Sathyavani Bandela,
  • K. Aparna,
  • Durgam Rajababu

摘要

This paper presents a 5-level inverter that is designed for power conversion and to decrease the total harmonic distortion (THD). The THD is reduced by expanding the number of voltage levels of MLI and also with the help of device control technique, i.e., pulse with modulation method. Cascaded H-bridge multilevel inverter is designed for higher power, medium voltage appliances with a developed power semiconductor device. The most widely implemented SPWM schemes for inverter control are LSPWM and PSPWM. However, LSPWM produces poor THD compared to PSPWM. Therefore, in this paper, to analyze the performance characteristics of the three phase and single-phase 5-level inverter, various LSPWM techniques are implemented. The comparison study is analyzed by developing an inverter model in MATLAB Simulink environment.