分块开关磁阻电机的研究现状及其新结构构想  

Current Status and New Configurations of Segmented Switched Reluctance Machines

作　　者：陈小元[1] 邓智泉[1] 王晓琳[1] 范娜[1] 连广坤[1] 

机构地区：[1]南京航空航天大学自动化学院,南京210016

出　　处：《电工技术学报》2011年第3期20-28,共9页Transactions of China Electrotechnical Society

基　　金：新世纪优秀人才支持计划;航空基础科学基金(05F52040);南京航空航天大学研究生创新基地(实验室)开放基金资助项目

摘　　要：分块开关磁阻电机通过分块的定子或转子结构,可获得较短的磁路以减小铁心损耗,圆柱形的转子可缩减风(油)阻,结构和电磁的隔离能增强电机可靠性及容错性。本文对现有的各型分块开关磁阻电机的结构和磁路进行了解析,在此基础上,提出了双极性励磁分块转子开关磁阻电机、环状绕组分块转子开关磁阻电机、C形分块定子开关磁阻电机、E形分块定子开关磁阻电机和混合气隙分块定子开关磁阻电机五种新型结构的分块开关磁阻电机,结合结构示意图和磁路图对其基本工作原理分别进行了阐述,并根据其结构特点和电磁特性分析了其优劣性及可能的应用场合,以期为分块开关磁阻电机的进一步研究与应用提供参考。Segmented switched reluctance machines,with short path of magnetic flux which reduced iron losses,segment cores embedded in rotor block to form columned rotor which decreased wind or oil resistance in high speed,or isolated components magnetically,electrically and mechanically which enhanced reliability and fault tolerance greatly,have nice performances because of the segmented stator or rotor.In this paper the existing segmented SRMs are reviewed based on the analysis of their constructions and magnetic paths.Five novel segmented SRMs are bipolar SRM with segmental rotors,toroidal-windings SRM with segmental rotors,SRM with C-shaped segmental stators,SRM with E-shaped segmental stators and axial-radial air gap SRM with segmental stators.The structures and the basic working principles of these five novel segmented SRMs are introduced and the advantages and disadvantages of them are analyzed.Those will provide a useful reference for segmented SRM＇s researches and applications.

关 键 词：开关磁阻电机 分块定子 分块转子 结构 磁路 

分 类 号：TM352[电气工程—电机]