一种磁浮列车的E型电磁铁磁力及温升特性分析  

作　　者：韩伟涛 周颖 高信迈 鞠录峰 

机构地区：[1]中车青岛四方机车车辆股份有限公司,山东青岛266111

出　　处：《科技创新与应用》2023年第2期96-99,共4页Technology Innovation and Application

基　　金：山东省重点研发计划(重大科技创新工程)(2020CXGC010202)。

摘　　要：磁浮列车通过电磁力作用,实现与轨道间的无接触运行。电磁铁作为核心部件,能够产生励磁磁场,提供悬浮力及导向力,其性能在车辆系统中至关重要。该文对一种用于磁浮列车的E型电磁铁特性进行详细分析,首先建立电磁模型,分析静态及动态电磁特性,明确其承载能力及动态涡流效应的影响。然后建立热模型,分析工作点处的温升特性,并提出强迫冷却措施,使温升大幅降低,为E型电磁铁持续运行提供基础。Maglev train realizes non-contact operation with the track through the action of electromagnetic force.As a core component,electromagnet can produce excitation magnetic field and provide levitation force and guidance force.So its performance is very important for the vehicle system.In this paper,the characteristics of an E-type electromagnet for maglev train are analyzed in detail.Firstly,the electromagnetic model is established.The static and dynamic electromagnetic characteristics are analyzed,and its bearing capacity and the influence of dynamic eddy current effect are determined.Then the thermal model is established.The temperature rise characteristics at the working point are analyzed,and the forced cooling measures are put forward to greatly reduce the temperature rise,which provides the basis for the continuous operation of the E-type electromagnet.

关 键 词：E型电磁铁 电磁模型 电磁特性 涡流效应 热模型 温升特性 

分 类 号：TM574[电气工程—电器]