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Performance Improvement of Flux Switching Permanent Magnet Wind Generator Using Magnetic Flux Barrier Design

Author

Listed:
  • Vanna Torn

    (Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Pattasad Seangwong

    (Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Nuwantha Fernando

    (School of Engineering, Royal Melbourne Institute of Technology (RMIT), Melbourne, VIC 3000, Australia)

  • Apirat Siritaratiwat

    (Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Pirat Khunkitti

    (Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand)

Abstract

Flux-switching permanent magnet (FSPM) machines have attracted significant research attention in the field of wind power generation. In this study, the utilization of a magnetic flux barrier to improve the performance of the nine-phase FSPM generator designed for low-speed wind power applications is conducted. The proposed approach involves introducing magnetic flux barriers of different topologies to the conventional FSPM generator and analyzing their performance using 2D finite element simulations. Results suggested that |-shaped magnetic flux barriers exhibited the highest performance among other topologies, making them the appropriate choice for this generator. The geometry of the |-shaped flux barriers was further optimized using response surface methodology to maximize the generator’s performance. The proposed generator exhibits a significant decrease in cogging torque, achieving a remarkable reduction of up to 23.7%, while maintaining electromotive force. Moreover, it shows a significant decrease in permanent magnet eddy-current loss, with a noteworthy reduction of up to 51%. Additionally, significant improvements were demonstrated in terms of electromagnetic torque, torque ripple, output power, and efficiency. Details on the physical reasoning behind these improvements have been provided. Overall, the proposed FSPM generator with inserted flux barriers has the potential to meet the demands of low-speed wind power generation effectively.

Suggested Citation

  • Vanna Torn & Pattasad Seangwong & Nuwantha Fernando & Apirat Siritaratiwat & Pirat Khunkitti, 2023. "Performance Improvement of Flux Switching Permanent Magnet Wind Generator Using Magnetic Flux Barrier Design," Sustainability, MDPI, vol. 15(11), pages 1-14, May.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:11:p:8867-:d:1160610
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    References listed on IDEAS

    as
    1. Chainattapol Nissayan & Pattasad Seangwong & Supanat Chamchuen & Nuwantha Fernando & Apirat Siritaratiwat & Pirat Khunkitti, 2022. "Modeling and Optimal Configuration Design of Flux-Barrier for Torque Improvement of Rotor Flux Switching Permanent Magnet Machine," Energies, MDPI, vol. 15(22), pages 1-12, November.
    2. Warat Sriwannarat & Pattasad Seangwong & Vannakone Lounthavong & Sirote Khunkitti & Apirat Siritaratiwat & Pirat Khunkitti, 2020. "An Improvement of Output Power in Doubly Salient Permanent Magnet Generator Using Pole Configuration Adjustment," Energies, MDPI, vol. 13(17), pages 1-14, September.
    3. Vannakone Lounthavong & Warat Sriwannarat & Apirat Siritaratiwat & Pirat Khunkitti, 2019. "Optimal Stator Design of Doubly Salient Permanent Magnet Generator for Enhancing the Electromagnetic Performance," Energies, MDPI, vol. 12(16), pages 1-12, August.
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