轨道交通用直线电动机的电磁力特性分析  

Analysis of Electromagnetic Force Characteristics of Linear Motors for Rail Transit

作　　者：张树鑫 黄苏丹[1] 曹广忠[1] 吴超[1] 丁菊霞 ZHANG Shu-xin;HUANG Su-dan;CAO Guang-zhong;WU Chao;DING Ju-xia(Guangdong Key Laboratory of Electromagnetic Control and Intelligent Robot,College of Mechatronics and Control Engineering,Shenzhen University,Shenzhen 518060,China;School of Electrical Engineering,Southwest Jiaotong University,Chengdu 611756,China)

机构地区：[1]深圳大学机电与控制工程学院,广东省电磁控制与智能机器人重点实验室,深圳518060 [2]西南交通大学电气工程学院,成都611756

出　　处：《微特电机》2021年第12期23-28,34,共7页Small & Special Electrical Machines

基　　金：国家自然科学基金青年项目(51907128,U1813212,51677120);广东省自然科学基金面上项目(2021A1515011704);深圳市科技计划基础研究面上项目(JCYJ20180305124348603,JCYJ20190808142211388,JSGG20200701095406010)。

摘　　要：直线电动机的电磁力特性直接决定直线电动机牵引系统的牵引性能,研究了轨道交通用直线电动机的电磁力特性。针对轨道交通用直线感应电机、直线永磁同步电机与直线开关磁阻电机,建立了三类电机的电磁力解析模型,设计了三类电机的结构,基于设计的电机结构建立了三类电机的有限元电磁模型,获得了三类电机的电磁力特性,并对三类电机的电磁力特性进行了比较分析。分析结果可为轨道交通用直线电动机提供理论和设计参考。The traction performance of linear motor traction system highly depends on the electromagnetic force characteristics of linear motors,the electromagnetic force characteristics of linear motors for rail transit was investigated.Aiming at the linear induction motor,linear permanent magnet synchronous motor,and linear switched reluctance motor for rail transit,the electromagnetic force analytical models of the three types of motors were built.The structures of these motors were designed.Based on the designed motor structures,the finite⁃element electromagnetic models of these motors were established.Using the finite⁃element electromagnetic models,the electromagnetic force characteristics of these motors were obtained.The comparison analysis of the electromagnetic force characteristics of these motors were performed.The analysis results can provide the theoretical and design references for linear motors in rail transit.

关 键 词：轨道交通 直线感应电机 直线永磁同步电机 直线开关磁阻电机 电磁力特性 有限元分析 

分 类 号：TM359􀆰[电气工程—电机]