面向高温超导钉扎磁悬浮列车悬浮特性研究

doi:10.3969/j.issn.1004-132X.2022.22.015

摘要/Abstract

摘要： 面向高温超导钉扎磁悬浮列车的磁轨关系，测试了不同场冷高度下双峰永磁轨道和高温超导块组合的悬浮力特性，得到了悬浮力随距离的增加先增大后减小且具有明显磁滞特性的规律。为了优化高温超导块组合和永磁轨道的参数，基于冻结镜像模型提出了等效处理高温超导块组合的方法,为了获得捕获磁场，建立了两者配对的仿真分析模型。基于捕获磁场和低相对磁导率计算高温超导块组合所受引力与斥力，由此仿真得到不同场冷高度下悬浮力与悬浮间隙的关系。结果表明,不同场冷高度下的仿真结果和实验结果在场冷高度小距离范围内具有较好的符合性，验证了等效处理方法的正确性，为高温超导钉扎磁悬浮列车的悬浮力计算提供了一种简单有效的方法。

关键词: 高温超导钉扎磁悬浮列车, 永磁轨道, 高温超导块组合, 等效处理方法, 悬浮力

Abstract: Facing the magnetic rail relationship of high temperature superconducting levitation train, the suspension force characteristics between dual-peak permanent magnetic orbit and high temperature superconducting block combination were tested at different field cold heights, and it is found that the magnitudes of suspension forces first increase then decrease as the distance increases, and existe the obvious hysteresis characteristics. In order to optimize the parameters of high temperature superconducting block combination and permanent magnetic track pair, the equivalent processing method for high temperature superconducting block was proposed based on image dipole model. The simulation model was established in order to obtain the trapped magnetic fields. The attractive force and repulsive force of the combination of high temperature superconductor block combination were calculated by way of trapped magnetic field and low relative permeability, and the relationship between suspension force and suspension gap at different field cold heights was gained. The results show that the simulated results are in good agreement with experimental ones at position of near different field cold heights, which verifies the equivalent processing method. The aim of paper is to provide a simple and effective method for the suspension force calculation of high temperature superconducting flux pinned magnetic levitation trains.

Key words: high temperature superconducting pinned maglev train, permanent magnetic track, high temperature superconducting block combination, equivalent processing method, suspension force

中图分类号:

U237

张明亮, 李明远, 刘鹏飞, 闫杨阳, 刘丽茹, 杨新梦. 面向高温超导钉扎磁悬浮列车悬浮特性研究[J]. 中国机械工程, 2022, 33(22): 2764-2771.

ZHANG Mingliang, LI Mingyuan, LIU Pengfei, YAN Yangyang, LIU Liru, YANG Xinmeng. Study on Levitation Characteristics of High Temperature Superconducting Pinned Maglev Train[J]. China Mechanical Engineering, 2022, 33(22): 2764-2771.

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