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Investigation of an Inset Micro Permanent Magnet Synchronous Motor Using Soft Magnetic Composite Material

Author

Listed:
  • Da-Chen Pang

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Rd., Sanmin Dist., Kaohsiung 80778, Taiwan)

  • Zhen-Jia Shi

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Rd., Sanmin Dist., Kaohsiung 80778, Taiwan)

  • Pei-Xuan Xie

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Rd., Sanmin Dist., Kaohsiung 80778, Taiwan)

  • Hua-Chih Huang

    (Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, 415 Jian Gong Rd., Sanmin Dist., Kaohsiung 80778, Taiwan)

  • Gia-Thinh Bui

    (Department of Electrical and Mechanical Engineering, Hai Phong University, 171 Phan Dang Luu Road, Kien An District, Hai Phong City 180000, Vietnam)

Abstract

This paper presents the world’s smallest inset permanent magnet synchronous motor (PMSM) with a soft magnetic composite (SMC) core, providing ease of manufacturing for micromachine applications without silicon steel laminations. The inset motor can offer an additional reluctance torque and higher torque density with a lower usage amount of permanent magnet. A 15 mm diameter inset motor was developed with the thickness of a tile-type permanent magnet which is limited to 1 mm by the manufacturer. The motor was designed with high torque density and low torque ripple by varying the interpole iron width for the rotor. Two inset motors were made using both SMC and silicon steel materials for comparison. The performance of the SMC motor was inferior to the silicon steel motor, but it still meets the specifications of the commercial market. If the thickness of the tile-type permanent magnet is further reduced, the micro inset motor with a SMC core can be easily mass-manufactured using powder sintering.

Suggested Citation

  • Da-Chen Pang & Zhen-Jia Shi & Pei-Xuan Xie & Hua-Chih Huang & Gia-Thinh Bui, 2020. "Investigation of an Inset Micro Permanent Magnet Synchronous Motor Using Soft Magnetic Composite Material," Energies, MDPI, vol. 13(17), pages 1-11, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:17:p:4445-:d:405150
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    References listed on IDEAS

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    1. Chengcheng Liu & Gang Lei & Bo Ma & Youguang Guo & Jianguo Zhu, 2018. "Robust Design of a Low-Cost Permanent Magnet Motor with Soft Magnetic Composite Cores Considering the Manufacturing Process and Tolerances," Energies, MDPI, vol. 11(8), pages 1-17, August.
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    Cited by:

    1. Da-Chen Pang & Zhen-Jia Shi & Young-Ho Chang & Hua-Chih Huang & Gia-Thinh Bui, 2021. "Investigation of an Interior Micro Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 14(14), pages 1-13, July.
    2. Edison Gundabattini & Arkadiusz Mystkowski & Adam Idzkowski & Raja Singh R. & Darius Gnanaraj Solomon, 2021. "Thermal Mapping of a High-Speed Electric Motor Used for Traction Applications and Analysis of Various Cooling Methods—A Review," Energies, MDPI, vol. 14(5), pages 1-32, March.

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