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<p>The growth of photovoltaic (PV) systems demands effective power conversion with high quality. The use of multilevel inverters (MLIs) provides an improved solution over the conventional two-level inverters, as it improves the quality of the output voltage and minimizes harmonic distortion. This review article discusses the new trends of MLIs for better performance in PV systems, including diode-clamped, flying capacitor, cascaded H-bridge, and reduced-switch inverters. The article discusses sophisticated modulation techniques such as Pulse Width Modulation and Space Vector Modulation with respect to power quality and complexity. Additionally, the article discusses major issues such as the number of components, voltage balancing, and reliability, as well as future trends of cost-effective, grid-integrated, and intelligent inverters.</p>

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Emerging multilevel inverter architectures for high-performance photovoltaic systems: a review

  • 期刊论文

  • 发表日期：

    2026年4月20日

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  • A. Kamalaselvan,
  • Muthukumar Murugesan,
  • Ajithkumar Sitharaj,
  • S. Rajiv,
  • K. Kalaivanan

摘要

The growth of photovoltaic (PV) systems demands effective power conversion with high quality. The use of multilevel inverters (MLIs) provides an improved solution over the conventional two-level inverters, as it improves the quality of the output voltage and minimizes harmonic distortion. This review article discusses the new trends of MLIs for better performance in PV systems, including diode-clamped, flying capacitor, cascaded H-bridge, and reduced-switch inverters. The article discusses sophisticated modulation techniques such as Pulse Width Modulation and Space Vector Modulation with respect to power quality and complexity. Additionally, the article discusses major issues such as the number of components, voltage balancing, and reliability, as well as future trends of cost-effective, grid-integrated, and intelligent inverters.