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An Evolutionary Annealing–Simplex Method for Inductance Value Selection for LCL Filters

Author

Listed:
  • Xingyu Yang

    (Electrical and Computer Engineering Department, Auburn University, Auburn, AL 36849, USA)

  • Huanyi Zhou

    (Biomedical Engineering Department, Johns Hopkins University, Baltimore, MD 21218, USA)

  • Mohammad Alathamneh

    (Electrical and Computer Engineering Department, Auburn University, Auburn, AL 36849, USA)

  • R. M. Nelms

    (Electrical and Computer Engineering Department, Auburn University, Auburn, AL 36849, USA)

Abstract

Grid-connected voltage-source inverters (VSIs) have evolved over the past years for the interconnection of renewable energy sources with the grid to satisfy the increased electrical load demand and utilize clean carbon-free energy. However, VSIs suffer a significant drawback of switching harmonics caused by the inverter switches. To reduce the amount of current distortion injected into the utility grid and meet harmonic constraints as defined by power quality standards, an LCL filter is often used. Although extensive literature describes assorted design procedures for an LCL filter, all these methods cannot guarantee an optimal solution, because no direct mathematical function between the LCL filter parameters and the total harmonic distortion (THD) exists. Presented in this paper is the application of an evolutionary annealing–simplex method to select the inductance values in the LCL filter. This method is compared to other methods previously presented in the literature: a systematic method and an inductance grid-search method based on a calculated distribution of total harmonic distortion for various inductance values. The goal is to select the smallest overall inductance values to ensure lower manufacturing costs while maintaining the filter performance. Simulation and experimental results verify that at least a 40% reduction in overall inductance can be achieved with the proposed method while simultaneously guaranteeing the filtering performance.

Suggested Citation

  • Xingyu Yang & Huanyi Zhou & Mohammad Alathamneh & R. M. Nelms, 2023. "An Evolutionary Annealing–Simplex Method for Inductance Value Selection for LCL Filters," Energies, MDPI, vol. 16(10), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4192-:d:1150806
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    References listed on IDEAS

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    1. Mohammad Alathamneh & Haneen Ghanayem & Xingyu Yang & R. M. Nelms, 2022. "Three-Phase Grid-Connected Inverter Power Control under Unbalanced Grid Conditions Using a Time-Domain Symmetrical Components Extraction Method," Energies, MDPI, vol. 15(19), pages 1-16, September.
    2. Mohammad Alathamneh & Haneen Ghanayem & Xingyu Yang & R. M. Nelms, 2022. "Three-Phase Grid-Connected Inverter Power Control under Unbalanced Grid Conditions Using a Proportional-Resonant Control Method," Energies, MDPI, vol. 15(19), pages 1-17, September.
    3. Mohammad Alathamneh & Haneen Ghanayem & R. M. Nelms, 2022. "Bidirectional Power Control for a Three-Phase Grid-Connected Inverter under Unbalanced Grid Conditions Using a Proportional-Resonant and a Modified Time-Domain Symmetrical Components Extraction Method," Energies, MDPI, vol. 15(24), pages 1-23, December.
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    Cited by:

    1. Erdal Şehirli, 2024. "LCL Trap Filter Analysis with a PFC Isolated Ćuk Converter Using SiC MOSFET for DCM," Energies, MDPI, vol. 17(3), pages 1-22, February.

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