真空技术在高温超导电动磁浮交通系统中的应用  

Application of Vacuum Technology in High-temperature Superconducting Electrodynamic Suspension Transportation System

作　　者：胡浩 李凯 刘洪涛 邵晴 韩田 于淼 刘航 李昊宸 HU Hao;LI Kai;LIU Hong-tao;SHAO Qing;HAN Tian;YU Miao;LIU Hang;LI Hao-chen(CRRC Changchun Railway Vehicles Co.,Ltd.,Changchun 130000,China)

机构地区：[1]中车长春轨道客车股份有限公司,吉林长春130000

出　　处：《真空》2024年第3期105-109,共5页Vacuum

基　　金：吉林省科技发展计划(20220201002GX,20230201124GX);中国中车股份有限公司原创技术十年培育专项(2022CGY014)。

摘　　要：高温超导电动磁浮交通系统中,真空技术的应用可为高温超导磁体提供良好的真空环境,使得线圈实现超导态所需的性能可获得与维持,进而满足列车牵引、悬浮和导向的运行需求。本文介绍了高温超导电动磁浮交通系统的基本原理和车载高温超导磁体的结构组成,通过真空系统设计和真空获得设备选型,结合真空测量与检漏技术,完成了真空度为1×10^(-5)Pa、最大漏率为1.33×10^(-10)Pa·m^(3)/s的高真空保持系统超导磁体产品开发,且已于我国自主研制的首套高温超导电动悬浮全要素试验系统中稳定服役。In a high-temperature superconducting(HTS)electrodynamic suspension(EDS)transportation system,the application of vacuum technology provides a perfect vacuum environment which can obtain and maintain the superconductive performance of the coils for HTS magnets,so that it can satisfy the requirements of the train propulsion,levitation,and guidance.In this paper,the EDS transportation system principle and the structure composition of onboard HTS magnets are introduced.Through vacuum system design and vacuum acquisition equipment selection,combined with vacuum measurement and leak detection technology,the high vacuum holding system with a vacuum degree of 1×10^(-5) Pa and a maximum leakage rate of 1.33×10^(-10) Pa·m^(3)/s for superconducting magnet was developed.And it has been stably put into service in the full elements test system of HTS EDS which is the first self-developed in China.

关 键 词：磁浮列车 电动磁浮交通系统 高温超导磁体 真空技术 

分 类 号：U237[交通运输工程—道路与铁道工程]