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Study on Suspension Stability of High-Speed HTS Maglev System in Evacuated Tube

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Advances in Smart Vehicular Technology, Transportation, Communication and Applications (VTCA 2018)

Part of the book series: Smart Innovation, Systems and Technologies ((SIST,volume 128))

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Abstract

For the high-speed high-Tc superconducting (HTS) maglev system in evacuated pipe, the side-mounted permanent magnet double-track is used to provide suspension and guidance for the train. When the maglev is running in a round track or a curve, the centrifugal force exerts a side pressure on the track, causing displacement in the suspension direction. In this paper, the static simulation experiment is used to study the instability caused by suspension displacement during the dynamic process of maglev. The results show that under the premise of a given field cooling airgap, the suspension force decreases with the decrease of the suspended airgap and strengthens with the increase of the suspension displacement. In addition, reducing the field cooling airgap can increase the suspension force and reduce the suspension displacement. When the field cooling air gap on the spot is 10 mm and the initial suspension displacement is 2 mm, the suspension displacement will not exceed 2 mm when the train runs to the rated airgap of 5 mm, so that the train maintains high side suspension stability. The research results of this paper provide useful design reference for the application of high speed HTS maglev train in the evacuated tube.

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Acknowledgements

The authors are grateful to the financial support of the Sichuan Applied Basic Research Project (No. 2018JY0003, 2017JY0057), the Science and Technology Research and Development Program of Sichuan Province (No. 2016GZ0147), and the National High-Tech R&D Program of China (863Program) under Grant 2014AA032701.

Author information

Authors and Affiliations

  1. College of Physics and Energy, Fujian Normal University, Fuzhou, 350117, Fujian, China

    Dajin Zhou & Yong Zhao

  2. Key Laboratory of Magnetic Levitation Technologies and Maglev Trains, Ministry of Education of China, Superconductivity and New Energy R&D Center, Southwest Jiaotong University, Chengdu, 610031, China

    Dajin Zhou, Lifeng Zhao, Yong Zhang & Yong Zhao

  3. Central Academy Dongfang Electric Corporation, Chengdu, 611731, China

    Ye Yang

Authors
  1. Dajin Zhou
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  2. Lifeng Zhao
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  3. Ye Yang
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  4. Yong Zhang
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  5. Yong Zhao
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Corresponding author

Correspondence to Yong Zhao .

Editor information

Editors and Affiliations

  1. College of Physics and Energy, Fujian Normal University, Fuzhou, Fujian, China

    Yong Zhao

  2. College of Information Science and Engineering, Fujian University of Technology, Fuzhou, Fujian, China

    Tsu-Yang Wu

  3. School of Transportation, Fujian University of Technology, Fuzhou, Fujian, China

    Tang-Hsien Chang

  4. College of Information Science and Engineering, Fujian University of Technology, Fuzhou, Fujian, China

    Jeng-Shyang Pan

  5. University of Technology Sydney, Sydney, NSW, Australia

    Lakhmi C. Jain

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Zhou, D., Zhao, L., Yang, Y., Zhang, Y., Zhao, Y. (2019). Study on Suspension Stability of High-Speed HTS Maglev System in Evacuated Tube. In: Zhao, Y., Wu, TY., Chang, TH., Pan, JS., Jain, L. (eds) Advances in Smart Vehicular Technology, Transportation, Communication and Applications. VTCA 2018. Smart Innovation, Systems and Technologies, vol 128. Springer, Cham. https://doi.org/10.1007/978-3-030-04585-2_10

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