一种新型无轴承开关磁阻电动机性能分析  

Performance Analysis of a New Type Bearingless Switched Reluctance Motor

作　　者：杨艳[1] 刘泽远[1] 邓智泉[2] 

机构地区：[1]南京邮电大学,南京210003 [2]南京航空航天大学,南京210016

出　　处：《微特电机》2014年第11期14-17,24,共5页Small & Special Electrical Machines

基　　金：国家自然科学基金项目(51207073);南京邮电大学引进人才科研启动基金项目(NY211021)

摘　　要：提出了一种具有新型定子结构的无轴承开关磁阻电机(BSRM),其可实现转矩与悬浮力的解耦,同时由于定子三相共用一套悬浮绕组,因而结构简单,易于控制,电流利用率高。简要介绍了新型BSRM的结构特点和悬浮运行原理。基于有限元仿真,对新型电机的电感、转矩和悬浮力分布特性进行了分析;分析结果表明新型BSRM具有良好的悬浮运行性能。推导了悬浮力表达式,给出了具体的实现方法。A bearingless switched reluctance motor （BSRM） with novel stator structure was proposed in this paper.The new type BSRM can realize decoupling control of torque and suspending force. Meanwhile, as three-phases share thesame set of suspension winding, so it has the advantages of simple structure, easy to control, high utilization rate of cur-rent. The structure characteristic and operational principle of the new BSRM were demonstrated. Its electromagnetic charac-teristics, such as inductance, suspending force and torque, were analyzed and compared using finite element method. Theanalysis results indicate that the new scheme is effective for a stable levitation. The suspending force expressions are givenaccordingly. Moreover, the corresponding control method is presented.

关 键 词：无轴承开关磁阻电机 定子结构 解耦控制 转矩 悬浮力 数学模型 

分 类 号：TM352[电气工程—电机]