零磁通式电动悬浮等效模拟系统的特性分析与实验

doi:10.19595/j.cnki.1000-6753.tces.200056

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Abstract An equivalent null-flux electrodynamic suspension (EDS) simulation system was proposed, and its working principle and structure were described. The electromagnetic force characteristics of the system were analyzed by finite element simulation and experiment. A 3-D finite element model of the system was established, and then the effects of the coil velocity, the vertical and transverse displacement of the magnet, and the coil pitch on system performance were analyzed. A laboratory prototype was developed and tested. The variation of levitation force under different working conditions was tested. Comparisons between simulation and experiment have verified the accuracy and reliability of the finite element model. In addition, the laboratory prototype can realize the levitation of the magnet, which can provide theoretical support for the application and design of the null-flux EDS in rail transit．

Key words： Null-flux electrodynamic suspension equivalent simulation finite element analysis electromagnetic force characteristics

Received: 09 January 2020

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U237

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	Wang Yiyu
	Cai Yao
	Song Xuliang
	Li Gang
	Ma Guangtong

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Wang Yiyu,Cai Yao,Song Xuliang等. Characteristic Analysis and Experiment of the Equivalent Simulation System for Null-Flux Electrodynamic Suspension[J]. Transactions of China Electrotechnical Society, 2021, 36(8): 1628-1635.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.200056 OR https://dgjsxb.ces-transaction.com/EN/Y2021/V36/I8/1628

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