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Thermal Analysis of a Novel Cylindrical Transverse-Flux Permanent-Magnet Linear Machine

Author

Listed:
  • Bin Yu

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China)

  • Shukuan Zhang

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China)

  • Jidong Yan

    (ShenHua Guohua (Beijing) Gas-Fired Cogeneration Co., Ltd., Beijing 100024, China)

  • Luming Cheng

    (School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China)

  • Ping Zheng

    (State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China
    School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China)

Abstract

This paper presents a novel staggered-teeth cylindrical transverse-flux permanent-magnet linear machine (TFPMLM), which aims to improve the power factor and force density. Due to the compact structure and high performance requirement, thermal problems should be seriously considered. The three-dimensional (3-D) temperature field model is established. The determination of convection heat transfer coefficients is discussed. Equivalent thermal conductivities of stator core and winding are given to simplify the analysis. With the thermal effect of the adhesive coatings among permanent magnets (PMs) and mover yoke taken into account, the temperature field distribution and variation rules of the TFPMLM are obtained using the finite volume method (FVM). The influences of slot filling factor and air flow velocity on the temperature field distribution are analyzed. It is found that the hottest spot of the TFPMLM appears in the middle of the end winding; and there is no risk of demagnetization for PMs.

Suggested Citation

  • Bin Yu & Shukuan Zhang & Jidong Yan & Luming Cheng & Ping Zheng, 2015. "Thermal Analysis of a Novel Cylindrical Transverse-Flux Permanent-Magnet Linear Machine," Energies, MDPI, vol. 8(8), pages 1-23, July.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:8:p:7874-7896:d:53427
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    References listed on IDEAS

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    1. Jingang Bai & Yong Liu & Yi Sui & Chengde Tong & Quanbin Zhao & Jiawei Zhang, 2014. "Investigation of the Cooling and Thermal-Measuring System of a Compound-Structure Permanent-Magnet Synchronous Machine," Energies, MDPI, vol. 7(3), pages 1-34, March.
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    Cited by:

    1. Andrzej Smoleń & Lesław Gołębiowski & Marek Gołębiowski & Damian Mazur, 2019. "Computationally Efficient Method of Co-Energy Calculation for Transverse Flux Machine Based on Poisson Equation in 2D," Energies, MDPI, vol. 12(22), pages 1-16, November.
    2. Francesca Capelli & Jordi-Roger Riba & Joan Pérez, 2016. "Three-Dimensional Finite-Element Analysis of the Short-Time and Peak Withstand Current Tests in Substation Connectors," Energies, MDPI, vol. 9(6), pages 1-16, May.

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