一种可用于低真空管道的高温超导无铁心直线感应磁悬浮电机

doi:10.19595/j.cnki.1000-6753.tces.210413

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摘要该文研究一种适用于低真空管道高速磁悬浮列车的高温超导无铁心直线感应悬浮电机,该电机是一种可以同时提供悬浮力和推进力的一体化电动式磁悬浮系统。首先,介绍该新型直线感应悬浮电机的拓扑结构及其工作原理。其次,采用积分法求解得到电机初级绕组的矢量磁位,以矢量磁位为求解变量,建立该新型直线电机的二维解析模型,得到各子域矢量磁位和磁通密度的数学表达式。在此基础上,研究无铁心初级绕组排列方式、导体板厚度等不同参数对电机性能的影响。最后,通过小型样机实验和有限元仿真计算,来验证解析模型的准确性和合理性。

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关键词 ：低真空管道, 磁悬浮, 积分法, 电磁特性, 解析模型

Abstract：A new kind of coreless linear induction maglev motor (CLIMM), which can be used in ultra-high speed maglev, is studied in this paper. The motor is an electro-dynamic system that can simultaneously create suspension and propulsion forces. The basic structure and principle of the proposed motor is firstly described. Then, an integral approach is proposed for modeling the vector magnetic potential of the primary winding. Taking the vector magnetic potential as the variable, a 2D analytic model of the CLIMM is proposed. Consequently, the magnetic field in the air gap, the lift force, the thrust force and the efficiency are calculated. Finite element analysis results verify the analytical prediction. Finally, the CLIMM with copper coil is designed and established to verify the analytical model.

Key words： Low vacuum pipeline maglev integral approach electromagnetic performance analytical model

收稿日期: 2021-03-26

PACS:

TM351

基金资助:中央高校基本科研业务费资助项目（2020JBM066）

通讯作者: 秦伟,男,1986年生,博士,研究方向为直线电机分析与控制。E-mail: weiqin@bjtu.edu.cn

作者简介: 马育华,男,1981年生,高工,研究方向为直线电机及其控制、电机优化设计。E-mail: 214708852@qq.com

引用本文:

秦伟, 马育华, 吕刚, 李媛, 张洁龙. 一种可用于低真空管道的高温超导无铁心直线感应磁悬浮电机[J]. 电工技术学报, 2022, 37(16): 4038-4046. Qin Wei, Ma Yuhua, Lü Gang, Li Yuan, Zhang Jielong. Analyzing and Designing a Novel Coreless Linear Induction Maglev Motor for Low Vacuum Pipeline. Transactions of China Electrotechnical Society, 2022, 37(16): 4038-4046.

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