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<p>This research looks into a novel approach to reducing power quality (PQ) problems in the distribution system, with an emphasis on EV charging infrastructure. The system combines a multilayer converter with the power management capabilities of a distribution static compensator (DSTATCOM). Common issues, including voltage variations (sags and swells), harmonics, and supraharmonics (SH), a kind of high-frequency disturbance, are addressed by this creative design. In order to achieve effective control over the DSTATCOM for correcting reactive power and harmonic power, the Pelican Optimization Algorithm (POA) is used in this study. MATLAB simulations are used to comprehensively analyze the effectiveness and performance of this suggested system, providing a foundation for comparison with current approaches. The outcomes validate the system's potential for use in the field by demonstrating its ability to mitigate PQ issues and effectively reduce SH. The distribution system stability was increased, and the suggested mitigation strategy was applied, resulting in a significant reduction in the SH at frequencies of the 5th, 7th, and 11th harmonics.</p>

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Integrating optimized DSTATCOM with three-phase multilevel converter for supraharmonics mitigation in electric vehicle charging systems

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • R. Karthigayini,
  • S. Elango,
  • M. Kowsalya

摘要

This research looks into a novel approach to reducing power quality (PQ) problems in the distribution system, with an emphasis on EV charging infrastructure. The system combines a multilayer converter with the power management capabilities of a distribution static compensator (DSTATCOM). Common issues, including voltage variations (sags and swells), harmonics, and supraharmonics (SH), a kind of high-frequency disturbance, are addressed by this creative design. In order to achieve effective control over the DSTATCOM for correcting reactive power and harmonic power, the Pelican Optimization Algorithm (POA) is used in this study. MATLAB simulations are used to comprehensively analyze the effectiveness and performance of this suggested system, providing a foundation for comparison with current approaches. The outcomes validate the system's potential for use in the field by demonstrating its ability to mitigate PQ issues and effectively reduce SH. The distribution system stability was increased, and the suggested mitigation strategy was applied, resulting in a significant reduction in the SH at frequencies of the 5th, 7th, and 11th harmonics.