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Detent Force Reduction of a C-Core Linear Flux-Switching Permanent Magnet Machine with Multiple Additional Teeth

Author

Listed:
  • Yi Du

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Gang Yang

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Li Quan

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Xiaoyong Zhu

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Feng Xiao

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Haoyang Wu

    (School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China)

Abstract

C-core linear flux-switching permanent magnet (PM) machines (LFSPMs) are attracting more and more attention due to their advantages of simplicity and robustness of the secondary side, high power density and high torque density, in which both PMs and armature windings are housed in the primary side. The primary salient tooth wound with a concentrated winding consists of C-shaped iron core segments between which PMs are sandwiched and the magnetization directions of these PMs are adjacent and alternant in the horizontal direction. On the other hand, the secondary side is composed of a simple iron core with salient teeth so that it is very suitable for long stroke applications. However, the detent force of the C-core LFSPM machine is relatively high and the magnetic circuit is unbalanced due to the end effect. Thus, a new multiple additional tooth which consists of an active and a traditional passive additional tooth, is employed at each end side of the primary in this paper, so that the asymmetry due to end effect can be depressed and the detent force can be reduced by adjusting the passive additional tooth position. By using the finite element method, the characteristics and performances of the proposed machine are analyzed and verified.

Suggested Citation

  • Yi Du & Gang Yang & Li Quan & Xiaoyong Zhu & Feng Xiao & Haoyang Wu, 2017. "Detent Force Reduction of a C-Core Linear Flux-Switching Permanent Magnet Machine with Multiple Additional Teeth," Energies, MDPI, vol. 10(3), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:3:p:318-:d:92385
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    References listed on IDEAS

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    1. Gan Zhang & Wei Hua & Ming Cheng, 2015. "Steady-State Characteristics Analysis of Hybrid-Excited Flux-Switching Machines with Identical Iron Laminations," Energies, MDPI, vol. 8(11), pages 1-19, November.
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    Cited by:

    1. Noman Ullah & Abdul Basit & Faisal Khan & Wasiq Ullah & Mohsin Shahzad & Atif Zahid, 2018. "Enhancing Capabilities of Double Sided Linear Flux Switching Permanent Magnet Machines," Energies, MDPI, vol. 11(10), pages 1-21, October.
    2. Wenjuan Hao & Yu Wang, 2017. "Thrust Force Ripple Reduction of Two C-Core Linear Flux-Switching Permanent Magnet Machines of High Thrust Force Capability," Energies, MDPI, vol. 10(10), pages 1-13, October.
    3. Yunyun Chen & Yu Ding & Jiahong Zhuang & Xiaoyong Zhu, 2018. "Multi-Objective Optimization Design and Multi-Physics Analysis a Double-Stator Permanent-Magnet Doubly Salient Machine," Energies, MDPI, vol. 11(8), pages 1-15, August.
    4. Yi Du & Wei Lu & Qi Wang & Xiaoyong Zhu & Li Quan, 2018. "Comparative Investigation of Hybrid Excitation Flux Switching Machines," Energies, MDPI, vol. 11(6), pages 1-16, June.
    5. J. F. Pan & Weiyu Wang & Bo Zhang & Eric Cheng & Jianping Yuan & Li Qiu & Xiaoyu Wu, 2017. "Complimentary Force Allocation Control for a Dual-Mover Linear Switched Reluctance Machine," Energies, MDPI, vol. 11(1), pages 1-17, December.
    6. Zhengming Shu & Xiaoyong Zhu & Li Quan & Yi Du & Chang Liu, 2017. "Electromagnetic Performance Evaluation of an Outer-Rotor Flux-Switching Permanent Magnet Motor Based on Electrical-Thermal Two-Way Coupling Method," Energies, MDPI, vol. 10(5), pages 1-16, May.
    7. Wenjuan Hao & Yu Wang, 2018. "Comparison of the Stator Step Skewed Structures for Cogging Force Reduction of Linear Flux Switching Permanent Magnet Machines," Energies, MDPI, vol. 11(8), pages 1-14, August.

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