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This paper introduces a novel control method aimed at minimizing switching losses in power converters for electric vehicles (EVs). By optimizing the switching sequence through an offset function, transitions are avoided during peak current moments, thereby substantially reducing switching losses. Experiments conducted on a three-level NPC inverter show that this method decreases the switching loss factor(SLF) by over 50% compared to traditional control techniques. This approach significantly boosts power efficiency and performance, making it an attractiveoption for EVs and other high-power conversion systems. Detailed analysis and simulation results confirm the method’s effectiveness, with practical applications demonstrating its real-world advantages.

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Reducing Energy Losses and Enhancing Efficiency of Inverter Systems in Electric Vehicle Drivetrains

  • 会议论文

  • 发表日期：

    2026年

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  • Leminhthien Huynh,
  • Ducthinh Nguyen,
  • Quocdan Le

摘要

This paper introduces a novel control method aimed at minimizing switching losses in power converters for electric vehicles (EVs). By optimizing the switching sequence through an offset function, transitions are avoided during peak current moments, thereby substantially reducing switching losses. Experiments conducted on a three-level NPC inverter show that this method decreases the switching loss factor(SLF) by over 50% compared to traditional control techniques. This approach significantly boosts power efficiency and performance, making it an attractiveoption for EVs and other high-power conversion systems. Detailed analysis and simulation results confirm the method’s effectiveness, with practical applications demonstrating its real-world advantages.