Study on the Damping Characteristics of Superconducting Electrodynamic Suspension System

被引：0
|
作者：
Hu D. [1 ]
Feng X. [1 ]
Zhang Z. [1 ]
机构：
[1] Institute of Magnetic Levitation and Electromagnetic Propulsion, China Aerospace Science and Industry Co. Ltd., Haidian District, Beijing
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2021年 / 41卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Analytical model; Characteristic analysis; Damping; Null-flux coil; Superconducting electrodynamic suspension (EDS);
D O I：
10.13334/j.0258-8013.pcsee.200986
中图分类号：
学科分类号：
摘要：
Superconducting electrodynamic suspension (EDS) has the advantages of large suspension gap, energy saving, environmental protection and so on, it is one of the technical routes for the high-speed maglev train system in the future. Damping parameters directly determine the stability of EDS. However, the research on damping is still in its infancy. This paper focuses on the damping characteristics of the null-flux EDS. First, based on the dynamic circuit theory, this paper proposed a field-circuit-motion coupled model and a moving interval acceleration algorithm. The validity of the model was verified by the comparison of the measured and simulated data. Then, this paper revealed the vertical and guiding vibration characteristics using this model. Finally, based on the proposed vibration energy method, this paper studied the influences of the speed, vibration amplitude and vibration frequency on the vertical and guiding damping characteristics. The results of this paper will promote the development of EDS. © 2021 Chin. Soc. for Elec. Eng.
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页码：4679 / 4687
页数：8
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