|
|||||
|
|
| 大外径多环嵌套永磁轴承轴向磁力模型 | |
| 引用本文： | 田录林,李言,田琦,李知航.大外径多环嵌套永磁轴承轴向磁力模型[J].电机与控制学报,2009,13(3). |
| 作者姓名： | 田录林 李言 田琦 李知航 |
| 作者单位： | 1. 西安理工大学,水电学院,陕西,西安,710048 2. 西安理工大学机仪学院,陕西,西安,710048 3. 西北大学,数学系,陕西,西安,710069 4. 西安电子科技大学通讯工程学院,陕西,西安,710071 |
| 摘 要： | 为了提高永磁轴承承载力,设计了大外径多环嵌套永磁轴承结构.基于与实验吻合的径向磁化双环永磁轴承轴向磁力数学模型,结合大外径多环嵌套永磁轴承结构特点及线性叠加原理,建立了径向磁化大外径多环嵌套永磁轴承轴向磁力解析模型.分析表明:该型永磁轴承轴向磁力与磁环剩磁的平方成正比;磁力随磁环间隙的增大而减小,随磁环数、磁路总磁导的增大而增大;在正常轴向工作范围内,轴向磁力随轴承轴向偏移的增大而增大.该型永磁轴承充分利用了磁环两个极面,产生磁力的磁环间隙数增加,故轴向磁力明显增大.实验及有限元计算验证了该解析模型的正确性. |
| 关 键 词： | 永磁轴承 径向磁化 轴向磁力 解析模型 |
Axial magnetic force model for large outer diameter multi-annular-nesting permanent magnetic bearings |
|
| TIAN Lu-lin,LI Yan,TIAN Qi,LI Zhi-hang.Axial magnetic force model for large outer diameter multi-annular-nesting permanent magnetic bearings[J].Electric Machines and Control,2009,13(3). | |
| Authors: | TIAN Lu-lin LI Yan TIAN Qi LI Zhi-hang |
| Affiliation: | 1.College of Water and Electricity Engineering;Xi'an University of Technology;Xi'an 710048;China;2.College of Mechanics and Instrument Engineering;3.Department of Math;Northwest University;Xi'an 710069;4.College of communication Engineering;Xidian University;Xi'an 710071;China |
| Abstract: | To enhance permanent magnetic bearings(PMB) magnetic force,the new construction for large outer diameter multi-annular-nesting PMB was designed.Based on the axial magnetic force mathematic model of radial magnetization bi-annular PMB which coincide with experiment results,connected with the structure character of large outer diameter multi-annular-nesting PMB and linearity addition principle,the axial magnetic force analytical model of radial magnetization large outer diameter multi-annular-nesting PMB was ... |
| Keywords: | permanent magnetic bearings radial magnetization axial magnetic force analytical model |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |