无槽嵌入式圆筒型永磁直线电机磁场解析研究  

Magnetic Field Analysis of a Slotless Tubular Interior Permanent Magnet Linear Motor

作　　者：黄克峰[1] 李槐树[1] 周羽[1] 

机构地区：[1]海军工程大学电气工程系,湖北武汉430033

出　　处：《防爆电机》2013年第2期1-5,共5页Explosion-proof Electric Machine

基　　金：国家自然科学基金(51177171)

摘　　要：介绍了基于麦克斯韦电磁方程利用分离变量法和许-克变换两种解析方法计算无槽轴向充磁圆筒型永磁直线电机磁场。并把两种解析法和有限元法计算的结果对比,得出了两种方法的可行性,但是利用许-克变换隐函数计算磁场误差更小、结果更准确。该方法物理概念清晰,与有限元法计算复杂、计算过程时间长相比,其计算量仅相当于一般的磁路法,并且容易在计算机上实现。This paper introduces the variables separation and Schwarz-Christoffel transfor- mation methods for calculating magnetic field of a slotless tubular interior axial magnetization permanent magnet linear motor based on Maxwell electromagnetic equation. The results of the two methods are feasible by comparing with the finite-element method, but Schwarz-Christoffel transformation method has advantages of less error and higher accuracy. It is verified that this approach can be easily understood on physical concept and realized using a simple computer program compared with the finite-element method. The calculation amount of the approach is just equivalent to that of common magnetic circuit method.

关 键 词：轴向充磁圆筒型永磁直线电机 磁场 分离变量法 许-克变换 

分 类 号：TM359.4[电气工程—电机]