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<p>This paper presents a Novel six-switch inverter designed to mitigate common mode voltage fluctuations, reduce leakage current, conduction losses, and enhance the overall efficiency in transformer-less grid-connected inverters. The operation and performance of the proposed inverter is further evaluated in comparison with existing transformer-less topologies, namely H5, H6 and HERIC. Particular emphasis is placed on analyzing the common-mode voltage and common-mode current generated by these inverters. All four inverter topologies are modeled in MATLAB/Simulink and their performance is compared using simulation results. The simulation results are subsequently validated using OPALRT. Practical implementation of Novel six switch inverter is carried out and it provides tangible proof of the proposed inverter’s effectiveness, thereby strengthening the reliability of the study’s findings.</p>

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Novel Six Switch Transformer-Less Inverter with CCMV for Enhanced Efficiency

  • 期刊论文

  • 发表日期：

    2026年1月21日

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  • Aditi Atul Desai,
  • Suresh Mikkili

摘要

This paper presents a Novel six-switch inverter designed to mitigate common mode voltage fluctuations, reduce leakage current, conduction losses, and enhance the overall efficiency in transformer-less grid-connected inverters. The operation and performance of the proposed inverter is further evaluated in comparison with existing transformer-less topologies, namely H5, H6 and HERIC. Particular emphasis is placed on analyzing the common-mode voltage and common-mode current generated by these inverters. All four inverter topologies are modeled in MATLAB/Simulink and their performance is compared using simulation results. The simulation results are subsequently validated using OPALRT. Practical implementation of Novel six switch inverter is carried out and it provides tangible proof of the proposed inverter’s effectiveness, thereby strengthening the reliability of the study’s findings.