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<p>DC–DC converters represent a promising area that has gained considerable attention because of their ability to properly integrate renewable energy resources like fuel cells and photovoltaic (PV) systems. This article introduces a unique, non-isolated, cubic voltage gain DC–DC converter with a compact design and improved efficiency. It uses two switches that function at the same time to connect the cascaded boost circuits via a quadratic cell. It also includes a capacitor-diode combo to improve the quadratic cell’s output. One another aspect is the use of common ground switches, which removes the need for additional gate-driver isolation components. The recommended model is supported by investigational results from a 380&#xa0;V, 200W prototype converter. The results also show that the converter maintains an efficiency of 94% at rated load, while making better use of its constituent elements.</p>

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A compact non-isolated cubic gain DC–DC converter for DC microgrid

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年8月3日

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  • M. Ajaykumar,
  • V. T. Sreedevi

摘要

DC–DC converters represent a promising area that has gained considerable attention because of their ability to properly integrate renewable energy resources like fuel cells and photovoltaic (PV) systems. This article introduces a unique, non-isolated, cubic voltage gain DC–DC converter with a compact design and improved efficiency. It uses two switches that function at the same time to connect the cascaded boost circuits via a quadratic cell. It also includes a capacitor-diode combo to improve the quadratic cell’s output. One another aspect is the use of common ground switches, which removes the need for additional gate-driver isolation components. The recommended model is supported by investigational results from a 380 V, 200W prototype converter. The results also show that the converter maintains an efficiency of 94% at rated load, while making better use of its constituent elements.