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Performance Study of Hybrid Magnetic Coupler Based on Magneto Thermal Coupled Analysis

Author

Listed:
  • Shuang Wang

    (Anhui Mining Machinery and Electrical Equipment Collaborative Innovation Center, Anhui University of Science and Technology, Huainan 232001, China)

  • Yongcun Guo

    (Anhui Mining Machinery and Electrical Equipment Collaborative Innovation Center, Anhui University of Science and Technology, Huainan 232001, China)

  • Gang Cheng

    (Anhui Mining Machinery and Electrical Equipment Collaborative Innovation Center, Anhui University of Science and Technology, Huainan 232001, China
    Hefei Institute of Material Science, Chinese Academy of Sciences, Hefei 230000, China)

  • Deyong Li

    (Anhui Mining Machinery and Electrical Equipment Collaborative Innovation Center, Anhui University of Science and Technology, Huainan 232001, China)

Abstract

Specific to a problem of large vibro-impact aris ing from the cutting unit of the hard rock tunnel boring machine (TBM), a hybrid magnetic coupler based on soft start was proposed in this paper. The mathematical model for total eddy current losses of such a coupler was established by field-circuit method. Then, magnetic-thermal coupling simulation was performed by virtue of three-dimensional finite element software. In addition, an experimental prototype was independently designed; by comparing the model with experimental data, validity of the above mathematical model was verified. The relevant research results indicated that calculated values were consistent with experimental values, and the magneto thermal coupling method could be applied to accurately analyze temperature distribution of the hybrid magnetic coupler. By contrast to the existing magnetic coupling of the same dimension, output efficiency of the hybrid magnetic coupler was improved by 1.2%. Therefore, this research technique can provide references for designing the cutting unit of hard rock TBM with a high start impact.

Suggested Citation

  • Shuang Wang & Yongcun Guo & Gang Cheng & Deyong Li, 2017. "Performance Study of Hybrid Magnetic Coupler Based on Magneto Thermal Coupled Analysis," Energies, MDPI, vol. 10(8), pages 1-17, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:8:p:1148-:d:106971
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    Citations

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    Cited by:

    1. Artur Cywiński & Krzysztof Chwastek, 2021. "A Multiphysics Analysis of Coupled Electromagnetic-Thermal Phenomena in Cable Lines," Energies, MDPI, vol. 14(7), pages 1-20, April.
    2. Changping Li & Longchen Duan & Songcheng Tan & Victor Chikhotkin & Wenpeng Fu, 2019. "Damage Model and Numerical Experiment of High-Voltage Electro Pulse Boring in Granite," Energies, MDPI, vol. 12(4), pages 1-19, February.
    3. Xikang Cheng & Wei Liu & Ziliang Tan & Zhilong Zhou & Binchao Yu & Wenqi Wang & Yang Zhang & Sitong Liu, 2020. "Thermal Analysis Strategy for Axial Permanent Magnet Coupling Combining FEM with Lumped-Parameter Thermal Network," Energies, MDPI, vol. 13(19), pages 1-19, September.

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