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Comparison of Dual-Permanent-Magnet-Excited Machines and Surface-Mounted Permanent Magnet Machines in Terms of Force

Author

Listed:
  • Minh-Trung Duong

    (Energy and Power Conversion Engineering, Unversity of Science and Technology, Daejeon 34113, Korea
    Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Do-Hyun Kang

    (Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Yon-Do Chun

    (Energy and Power Conversion Engineering, Unversity of Science and Technology, Daejeon 34113, Korea
    Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Byung-Chul Woo

    (Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Yoon-Sun Lee

    (School of Electrical and Electronics Engineering, Chung-Ang University, Seoul 17546, Korea)

  • Hwang Wook

    (Electric Motor Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

Abstract

In this paper, finite element analysis demonstrates the difference between dual-permanent-magnet-excited machines (DPMM) and surface-mounted permanent magnet machines (SPM) in terms of tangential force at the same air gap, diameter, stacking length, and input current. Different from most conventional machines, a novel DPMM has two sets of permanent magnets employed on both stator and rotor. To make a fair comparison, the novel DPMM, based on an original design, is specified to have the same dimensions as a conventional SPM. With the aid of 2D finite element analysis, tangential force generated from the novel DPMM is 167.65% higher than the conventional SPM. To verify the validity of the analyses, a prototype was fabricated and tested. Experiments showed that average deviation was only approximately 1.85%.

Suggested Citation

  • Minh-Trung Duong & Do-Hyun Kang & Yon-Do Chun & Byung-Chul Woo & Yoon-Sun Lee & Hwang Wook, 2019. "Comparison of Dual-Permanent-Magnet-Excited Machines and Surface-Mounted Permanent Magnet Machines in Terms of Force," Energies, MDPI, vol. 12(2), pages 1-13, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:216-:d:196731
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    References listed on IDEAS

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    1. Xinbo Liu & Xu Zhong & Yi Du & Xun Chen, 2018. "A Novel Triple-Permanent-Magnet-Excited Vernier Machine with Double-Stator Structure for Low-Speed and High-Torque Applications," Energies, MDPI, vol. 11(7), pages 1-18, July.
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    Cited by:

    1. Jang-Hyun Park & Grace Firsta Lukman & Do-Hyun Kang & Jin-Woo Ahn, 2021. "Performance Characteristics of a Dual-Stator, Spoke-Type Permanent Magnet Vernier Machine with Support Bar," Energies, MDPI, vol. 14(4), pages 1-9, February.

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