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Design Optimization of a Permanent-Magnet Flux-Switching Generator for Direct-Drive Wind Turbines

Author

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  • Vladimir Dmitrievskii

    (Department of Electrical Engineering and Electric Technology Systems, Ural Federal University, 620002 Yekaterinburg, Russia
    EMACH LLC, 620100 Yekaterinburg, Tveritina 17–59, Russia)

  • Vladimir Prakht

    (Department of Electrical Engineering and Electric Technology Systems, Ural Federal University, 620002 Yekaterinburg, Russia
    EMACH LLC, 620100 Yekaterinburg, Tveritina 17–59, Russia)

  • Vadim Kazakbaev

    (Department of Electrical Engineering and Electric Technology Systems, Ural Federal University, 620002 Yekaterinburg, Russia
    EMACH LLC, 620100 Yekaterinburg, Tveritina 17–59, Russia)

Abstract

Due to the increasing need for direct-drive wind turbines, a large number of papers are dedicated to the optimization of low-speed wind generators. A permanent-magnet flux-switching machine can be a valuable option to use in such applications. This paper describes the optimization procedure of a direct-drive flux-switching wind generator. The average losses, the required converter power, and the cost of permanents magnets were chosen as the optimization objectives. To reduce the calculation efforts during the optimization, a method to construct the substituting load profiles is proposed. Two-mode and three-mode substituting profiles were constructed on the basis of the nine-mode initial profile. The losses calculated under the two-mode, three-mode, and nine-mode profiles accurately coincided, which supported the use of the low-mode substituting profiles instead of the initial one. During the optimization, the average losses decreased by 30%, which corresponded to an increase in the average efficiency by almost 6%. The required converter power was decreased by 10%. The total active material mass, cogging torque, and torque ripple were also slightly decreased.

Suggested Citation

  • Vladimir Dmitrievskii & Vladimir Prakht & Vadim Kazakbaev, 2019. "Design Optimization of a Permanent-Magnet Flux-Switching Generator for Direct-Drive Wind Turbines," Energies, MDPI, vol. 12(19), pages 1-15, September.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:19:p:3636-:d:270122
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    References listed on IDEAS

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    1. Charles Audet & Christophe Tribes, 2018. "Mesh-based Nelder–Mead algorithm for inequality constrained optimization," Computational Optimization and Applications, Springer, vol. 71(2), pages 331-352, November.
    2. Vladimir Dmitrievskii & Vladimir Prakht & Vadim Kazakbaev & Sergey Sarapulov, 2018. "Optimal Design of a High-Speed Single-Phase Flux Reversal Motor for Vacuum Cleaners," Energies, MDPI, vol. 11(12), pages 1-13, November.
    3. Pishgar-Komleh, S.H. & Keyhani, A. & Sefeedpari, P., 2015. "Wind speed and power density analysis based on Weibull and Rayleigh distributions (a case study: Firouzkooh county of Iran)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 313-322.
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    Cited by:

    1. Casper J. J. Labuschagne & Maarten J. Kamper, 2022. "On the Design and Topology Selection of Permanent Magnet Synchronous Generators for Natural Impedance Matching in Small-Scale Uncontrolled Passive Wind Generator Systems," Energies, MDPI, vol. 15(5), pages 1-23, March.
    2. Vladimir Prakht & Vladimir Dmitrievskii & Vadim Kazakbaev, 2020. "Optimal Design of Gearless Flux-Switching Generator with Ferrite Permanent Magnets," Mathematics, MDPI, vol. 8(2), pages 1-14, February.
    3. Pushman Tlali & Rong-Jie Wang, 2022. "Prospect of PM Vernier Machine for Wind Power Application," Energies, MDPI, vol. 15(13), pages 1-26, July.
    4. Vladimir Prakht & Vladimir Dmitrievskii & Vadim Kazakbaev & Ekaterina Andriushchenko, 2021. "Comparison of Flux-Switching and Interior Permanent Magnet Synchronous Generators for Direct-Driven Wind Applications Based on Nelder–Mead Optimal Designing," Mathematics, MDPI, vol. 9(7), pages 1-16, March.
    5. Cherif Guerroudj & Yannis L. Karnavas & Jean-Frederic Charpentier & Ioannis D. Chasiotis & Lemnouer Bekhouche & Rachid Saou & Mohammed El-Hadi Zaïm, 2021. "Design Optimization of Outer Rotor Toothed Doubly Salient Permanent Magnet Generator Using Symbiotic Organisms Search Algorithm," Energies, MDPI, vol. 14(8), pages 1-25, April.

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