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Enhanced MPPT in Permanent Magnet Direct-Drive Wind Power Systems via Improved Sliding Mode Control

Author

Listed:
  • Huajun Ran

    (College of Electricity & New Energy, China Three Gorges University, Yichang 443000, China)

  • Linwei Li

    (College of Electricity & New Energy, China Three Gorges University, Yichang 443000, China)

  • Ao Li

    (College of Electricity & New Energy, China Three Gorges University, Yichang 443000, China)

  • Xinquan Wang

    (College of Electricity & New Energy, China Three Gorges University, Yichang 443000, China)

Abstract

Addressing the challenges of significant speed overshoot, stability issues, and system oscillations associated with the sliding mode control (SMC) strategy in maximum power point tracking (MPPT) for permanent magnet synchronous wind power systems, this paper introduces a fuzzy sliding mode control (FSMC) method employing an innovative exponential convergence law. By incorporating a velocity adjustment function into the traditional exponential convergence law, a novel convergence law was designed to mitigate oscillations during the sliding phase and expedite the convergence rate. Additionally, a fuzzy controller was developed to implement a fuzzy adaptive SMC strategy, optimizing the MPPT for permanent magnet synchronous wind power generation systems. Simulation results indicated that this approach offered a faster response and superior interference rejection capabilities, compared to conventional and modified SMC strategies. The improved FSMC strategy demonstrated a swift, dynamic response and excellent steady-state performance, improving the efficiency of MPPT, thus confirming the effectiveness of the proposed method.

Suggested Citation

  • Huajun Ran & Linwei Li & Ao Li & Xinquan Wang, 2024. "Enhanced MPPT in Permanent Magnet Direct-Drive Wind Power Systems via Improved Sliding Mode Control," Energies, MDPI, vol. 17(18), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:18:p:4622-:d:1478532
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    References listed on IDEAS

    as
    1. Ping Jiang & Tianyi Zhang & Jinpeng Geng & Peiguang Wang & Lei Fu, 2023. "An MPPT Strategy for Wind Turbines Combining Feedback Linearization and Model Predictive Control," Energies, MDPI, vol. 16(10), pages 1-16, May.
    2. Yuan-Chih Chang & Hao-Chin Chang & Chien-Yu Huang, 2018. "Design and Implementation of the Permanent- Magnet Synchronous Generator Drive in Wind Generation Systems," Energies, MDPI, vol. 11(7), pages 1-10, June.
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