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Design Issues for Claw Pole Machines with Soft Magnetic Composite Cores

Author

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  • Chengcheng Liu

    (State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China
    Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China)

  • Jiawei Lu

    (State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China
    Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China)

  • Youhua Wang

    (State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China
    Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China)

  • Gang Lei

    (School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia)

  • Jianguo Zhu

    (School of Electrical and Information Engineering, University of Sydney, Ultimo, NSW 2007, Australia)

  • Youguang Guo

    (School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia)

Abstract

By using global ring winding, the torque coefficient of the transverse flux machine (TFM) is proportional to its number of pole pairs, and thus the TFM possesses high torque density ability when compared with other electrical machines. As a special kind of TFM, the claw pole machine (CPM) can have more torque due to its special claw pole teeth. The manufacturing of CPM or TFM with silicon steels was very difficult in the past, and is a handicap for the progress of this kind of machine. Thanks to the advent of soft magnetic composite (SMC) materials, the manufacturing process of CPM has become more and more simple. More attention has been paid to this kind of technology, and some mass production CPMs with SMC cores have appeared. However, there are few works that discuss the key design issues for this kind of machine. In this paper, a small CPM with SMC is used as as a research benchmark. Various design methods that can be adopted to improve its performance have been studied, including unequal stator claw pole teeth, a skewing magnet design, consequent pole design, and etc. The 3D finite element method (FEM) is used for the machine analysis, and it is verified by the experimental results of a CPM with SMC cores.

Suggested Citation

  • Chengcheng Liu & Jiawei Lu & Youhua Wang & Gang Lei & Jianguo Zhu & Youguang Guo, 2018. "Design Issues for Claw Pole Machines with Soft Magnetic Composite Cores," Energies, MDPI, vol. 11(8), pages 1-15, August.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:8:p:1998-:d:161289
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    References listed on IDEAS

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    1. Gang Lei & Jianguo Zhu & Youguang Guo & Chengcheng Liu & Bo Ma, 2017. "A Review of Design Optimization Methods for Electrical Machines," Energies, MDPI, vol. 10(12), pages 1-31, November.
    2. Chengcheng Liu & Jiawei Lu & Youhua Wang & Gang Lei & Jianguo Zhu & Youguang Guo, 2017. "Techniques for Reduction of the Cogging Torque in Claw Pole Machines with SMC Cores," Energies, MDPI, vol. 10(10), pages 1-17, October.
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    Cited by:

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    2. Víctor Ballestín-Bernad & Jesús Sergio Artal-Sevil & José Antonio Domínguez-Navarro, 2021. "A Review of Transverse Flux Machines Topologies and Design," Energies, MDPI, vol. 14(21), pages 1-34, November.
    3. Pere Andrada & Balduí Blanqué & Eusebi Martínez & José Ignacio Perat & José Antonio Sánchez & Marcel Torrent, 2019. "Influence of Manufacturing and Assembly Defects and the Quality of Materials on the Performance of an Axial-Flux Switched Reluctance Machine," Energies, MDPI, vol. 12(24), pages 1-12, December.
    4. Muhammad Usman Naseer & Ants Kallaste & Bilal Asad & Toomas Vaimann & Anton Rassõlkin, 2021. "A Review on Additive Manufacturing Possibilities for Electrical Machines," Energies, MDPI, vol. 14(7), pages 1-24, March.
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    6. Youguang Guo & Xin Ba & Lin Liu & Haiyan Lu & Gang Lei & Wenliang Yin & Jianguo Zhu, 2023. "A Review of Electric Motors with Soft Magnetic Composite Cores for Electric Drives," Energies, MDPI, vol. 16(4), pages 1-17, February.
    7. Reza Zeinali & Ozan Keysan, 2019. "A Rare-Earth Free Magnetically Geared Generator for Direct-Drive Wind Turbines," Energies, MDPI, vol. 12(3), pages 1-15, January.

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