电工技术学报  2015, Vol. 30 Issue (14): 518-524    DOI:
现代特种电机及其控制专题 |
各向异性横向磁通永磁直线电机穿片漏磁分析
夏加宽,李文瑞,何新,张健
沈阳工业大学电气工程学院 沈阳 110870
Analysis of Anisotropic Permeate Leakage Flux on Transverse Flux Permanent Magnet Linear Machine
Xia Jiakuan,Li Wenrui,He xin,Zhang Jian
Shenyang University of Technology Shenyang 110870 China
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摘要 由于磁通三维分布结构特点,横向磁通永磁直线电机(Transverse Flux Permanent Magnet Linear Machine, TFPMLM)存在特殊的穿片漏磁。为提高等效磁路法计算精度,TFPMLM轴向漏磁的准确计算十分必要。本文结合TFPMLM磁通路径特点对穿片漏磁形成机理进行分析,推导轴向叠片各向异性穿片漏磁通解析表达式,并研究穿片漏磁与叠压系数、极弧长等电机参数之间的关系。采用有限元分析和实验验证TFPMLM轴向穿片漏磁计算方法的正确性和准确性。研究结果为横向磁通永磁直线振荡发电机设计提供了理论依据。
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夏加宽
李文瑞
何新
张健
关键词 横向磁通永磁直线电机穿片漏磁磁通路径轴向叠片各向异性    
Abstract:There is special permeate leakage flux in the transverse flux permanent magnet linear machine (TFPMLM), because of the 3D flux distribution of TFPMLM. Accurate calculation of the axial permeate leakage flux is necessary to improve the precision of equivalent magnetic circuit method calculation. According to the feature of TFPMLM’s flux path, the formation mechanism of permeate leakage flux was analyzed, then the analytical expression of axial lamination anisotropic permeate leakage flux was deduced, and relationship among permeate leakage flux and pole arc length was investigated. Finite element model and experimental equipment was built to prove that the method of permeate leakage flux calculation was correct and accurate. The achievement in this paper provides theoretical guidance for the linear oscillation generator design.
Key wordsTransverse flux permanent magnet linear machine (TFPMLM)    Permeate leakage flux    Flux path    Axial lamination    Anisotropic   
收稿日期: 2014-05-27      出版日期: 2015-09-08
PACS: TM359.4  
基金资助:国家自然科学基金项目(51377108)和辽宁省高等学校创新团队项目(LT2013006)资助项目
作者简介: 夏加宽 男,1962年生,教授,博士生导师,研究方向为直线电机及其控制。(通信作者)李文瑞 男,1988年生,博士研究生,研究方向为热声发电系统直线电机。
引用本文:   
夏加宽,李文瑞,何新,张健. 各向异性横向磁通永磁直线电机穿片漏磁分析[J]. 电工技术学报, 2015, 30(14): 518-524. Xia Jiakuan,Li Wenrui,He xin,Zhang Jian. Analysis of Anisotropic Permeate Leakage Flux on Transverse Flux Permanent Magnet Linear Machine. Transactions of China Electrotechnical Society, 2015, 30(14): 518-524.
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