|本期目录/Table of Contents|

[1]李洪凤,李天梦,韩冰.永磁球形电动机空芯定子线圈磁场的解析分析[J].天津大学学报(自然科学版),2018,(01):64-72.[doi:10.11784/tdxbz201701030]
 Li Hongfeng,Li Tianmeng,Han Bing.Magnetic Field Analysis of the Hollow Stator Coil in Permanent Magnet Spherical Motor[J].Journal of Tianjin University,2018,(01):64-72.[doi:10.11784/tdxbz201701030]
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永磁球形电动机空芯定子线圈磁场的解析分析()
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《天津大学学报(自然科学版)》[ISSN:0493-2137/CN:12-1127/N]

卷:
期数:
2018年01
页码:
64-72
栏目:
出版日期:
2018-01-08

文章信息/Info

Title:
Magnetic Field Analysis of the Hollow Stator Coil in Permanent Magnet Spherical Motor
文章编号:
0493-2137(2018)01-0064-09
作者:
李洪凤1 李天梦1 韩冰2
1. 天津大学电气自动化与信息工程学院,天津 300072;2. 国网天津市电力公司检修公司,天津 300230
Author(s):
Li Hongfeng1 Li Tianmeng1 Han Bing2
1. School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China
2. State Grid Tianjin Power Maintenance Company, Tianjin 300230, China
关键词:
永磁球形电机 毕奥-萨伐尔定律 定子线圈磁场分布 有限元法
Keywords:
permanent magnet spherical motor Biot-Savart law magnetic field distribution of stator coil finite element method
分类号:
TM351
DOI:
10.11784/tdxbz201701030
文献标志码:
A
摘要:
永磁球形电机定子线圈呈空芯圆柱形结构, 由多匝导线缠绕在柱状铝芯上, 离散分布在定子球壳内壁不同经、纬度线交叉点处.针对采用集中绕制方式的定子线圈的结构特点, 基于毕奥-萨伐尔定律, 并考虑球形电机定子线圈在定子坐标系中的位置关系对问题分析复杂性的影响, 首先推导得到了任意位置单匝线圈在空间任意点处的磁场分布, 并与现有文献进行了比较验证.其次将单匝线圈推广到多层多匝线圈, 求解得到了任意位置多层多匝定子线圈在空间任意点处的磁场分布解析表达式.最后就定子线圈在不同路径上的磁场分布情况, 与有限元法所得结果进行了比较, 证明了该解析表达式的有效性.
Abstract:
Permanent magnet spherical motor stator coils are of hollow cylindrical structure. Stator coils are formed by multiple wires wrapping cylindrical aluminum core and distributed independently on the intersection of longitude line and latitude line on the inner wall of the stator spherical shell. In view of the centralized winding structure characteristics of the stator coils,based on Biot-Savart law,and given the influence of the actual position relationship between spherical motor stator coils and stator coordinate system on the complexity of problem analysis,the magnetic field distribution of single turn coil at any position in any space is obtained in this paper and it is verified by comparing with the existing literature. Then,single turn coil is extended to multilayer turns coil and the magnetic field distribution of multilayer turns coil at any position in any space is obtained. Finally,the analytical method in this paper is compared with finite element method in terms of magnetic field distribution on different paths to verify the effectiveness of the proposed analytical method.

参考文献/References:

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相似文献/References:

[1]李 斌,刘 超,李洪凤,等. 永磁球形电机定子绕组的永磁体模型及磁场分析[J].天津大学学报(自然科学版),2012,(11):1024.
 LI Bin,LIU Chao,LI Hong-feng,et al. Permanent Magnetic Model and Magnetic Field Analysis for StatorCoil of Permanent Magnetic Spherical Motor[J].Journal of Tianjin University,2012,(01):1024.

备注/Memo

备注/Memo:
收稿日期: 2017-01-25; 修回日期: 2017-07-15.
作者简介: 李洪凤(1979—), 女, 博士, 副教授.
通讯作者: 李洪凤, lihongfeng@tju.edu.cn.
基金项目: 国家自然科学基金资助项目(51677130).
Supported by the National Natural Science Foundation of China(No.,51677130).
更新日期/Last Update: 2018-01-10