Abstract
Dynamic response of high temperature superconductor (HTS) to inhomogeneous distribution of magnetic field for permanent magnetic guideway (PMG), as well as to perturbations from the magnetic field of the PMG partially covered by iron sheet, are investigated. Decay of levitation force is observed caused by AC magnetic field. Furthermore, resonant effect at 180 Hz is obtained caused by inhomogeneous distribution of magnetic field of permanent magnet guideway. Otherwise, electromagnetic oscillations caused by abruptly decrease of magnetic field are also observed. These are perhaps related to complicated electromagnetic interaction inside HTS bulk.
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Acknowledgements
This work was supported in part by the fund for the project support, including the Sichuan Applied Basic Research Project (No. 2018JY0003, 2017JY0057), the Program of International S&T Cooperation (Grant No. 2013DFA51050), the Fundamental Research Funds for the Central Universities under No. 2682016 ZDPY10 and Foundation of Key Laboratory of Magnetic Suspension Technology and Maglev Vehicle, Ministry of Education.
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Zhao, L., Deng, J., Li, L., Jiang, J., Zhang, Y., Zhao, Y. (2019). Dynamic Response of Levitation Force to Magnetic Field Fluctuation for High Temperature Superconducting Maglev System. 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_9
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