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Design Aspects of Conical Coaxial Magnetic Gears

Author

Listed:
  • Valentin Mateev

    (Department of Electrical Apparatus, Technical University of Sofia, 1756 Sofia, Bulgaria)

  • Miglenna Todorova

    (Department of Electrical Apparatus, Technical University of Sofia, 1756 Sofia, Bulgaria)

  • Iliana Marinova

    (Department of Electrical Apparatus, Technical University of Sofia, 1756 Sofia, Bulgaria)

Abstract

In this paper, a new design of a conical coaxial magnetic gear was proposed. Conical magnetic gears are considered a logical link between the radial- and axial-field coaxial designs. The modeling of magnetic torques based on the 3D finite element method was developed. The design parameter variations of the conical coaxial magnetic gear were determined and discussed. The magnetic torque density was calculated and compared with that of a cylindrical coaxial magnetic gear with the same size and materials used. An optimal cone angle based on the air-gap length was proposed. Multistage conical coaxial magnetic gears were proposed as a sequence of coupled rotors with increased torque density and reduced magnetic reluctance. The proposed conical coaxial magnetic gears are more compact in size and suitable for integration with electrical machines and variable transmissions.

Suggested Citation

  • Valentin Mateev & Miglenna Todorova & Iliana Marinova, 2023. "Design Aspects of Conical Coaxial Magnetic Gears," Energies, MDPI, vol. 16(10), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:10:p:4191-:d:1150734
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    References listed on IDEAS

    as
    1. Claudia Violeta Pop & Daniel Fodorean & Dan-Cristian Popa, 2022. "Structural Analysis of an In-Wheel Motor with Integrated Magnetic Gear Designed for Automotive Applications," Sustainability, MDPI, vol. 14(19), pages 1-23, September.
    2. Janusz Kołodziej & Marcin Kowol & Piotr Mynarek & Rafał Gabor & Marian Łukaniszyn, 2021. "Forces in Axial Flux Magnetic Gears with Integer and Fractional Gear Ratios," Energies, MDPI, vol. 14(4), pages 1-16, February.
    3. Yiduan Chen & Weinong Fu, 2015. "A Novel Hybrid-Flux Magnetic Gear and Its Performance Analysis Using the 3-D Finite Element Method," Energies, MDPI, vol. 8(5), pages 1-15, April.
    4. Gerardo Ruiz-Ponce & Marco A. Arjona & Concepcion Hernandez & Rafael Escarela-Perez, 2023. "A Review of Magnetic Gear Technologies Used in Mechanical Power Transmission," Energies, MDPI, vol. 16(4), pages 1-32, February.
    Full references (including those not matched with items on IDEAS)

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