电工技术学报  2021, Vol. 36 Issue (11): 2325-2343    DOI: 10.19595/j.cnki.1000-6753.tces.201125
电机及其系统 |
初级励磁型永磁直线电机研究现状与展望
沈燚明, 卢琴芬
浙江大学电气工程学院 杭州 310027
Overview of Permanent Magnet Linear Machines with Primary Excitation
Shen Yiming, Lu Qinfen
College of Electrical Engineering Zhejiang University Hangzhou 310027 China
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摘要 初级励磁型永磁直线电机是从传统永磁直线电机衍生而来的一类新型特种电机,具有高推力密度、高效率、高精度和高可靠性等优点。在长行程直驱式直线运动领域,该类电机有其独特的性能与成本优势,具有很高的研究价值和广阔的应用前景。该文针对初级励磁型永磁直线电机,回顾并总结了国内外相关研究的技术现状和发展趋势。从磁场调制理论出发,揭示了初级励磁型永磁直线电机气隙磁场谐波分布与推力产生原理。从拓扑结构的角度,梳理了各类永磁直线电机的技术要点及研究进展。从初级励磁型永磁直线电机的特征出发,介绍了高性能控制策略。最后,对比分析了各类初级励磁型永磁直线电机的综合性能,并探讨了未来的发展方向。
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沈燚明
卢琴芬
关键词 永磁直线电机初级励磁双凸极磁场调制原理高推力密度长行程    
Abstract:The permanent magnet linear machine with primary excitation (PE-PMLM) is a new type of special machine derived from the traditional permanent magnet linear machine, which has the advantages of high thrust force density, highefficiency, high precision and high reliability. In the field of long stroke direct drive linear motion, it exhibits unique performance and cost advantages, and has high research value as well as broad application prospect. This paper reviews and summarizes the current status and development trend of the PE-PMLM technology. Based on the flux modulation theory, the harmonic distribution and thrust generation principle of the PE-PMLM are revealed. From the perspective of topology, the technical points and research progress of various kinds of PE-PMLM are reviewed. Based on the characteristics of PE-PMLM, high performance control strategies are introduced. Finally, comprehensive performances of all kinds of PE-PMLM are compared and analyzed, and the future development direction is discussed.
Key wordsPermanent magnet linear machine    primary excitation    doubly salient    flux modulation theory    high thrust force density    long stroke   
收稿日期: 2020-08-21     
PACS: TM351  
基金资助:国家自然科学基金(51777190)和中国博士后科学基金(2020M681856)资助项目
通讯作者: 卢琴芬,女,1972年生,教授,博士生导师,研究方向为直线电机优化设计、驱动控制及应用技术等。E-mail:luqinfen@zju.edu.cn   
作者简介: 沈燚明,男,1993年生,博士,研究方向为新型永磁电机及其控制技术等。E-mail:ym_shen@zju.edu.cn
引用本文:   
沈燚明, 卢琴芬. 初级励磁型永磁直线电机研究现状与展望[J]. 电工技术学报, 2021, 36(11): 2325-2343. Shen Yiming, Lu Qinfen. Overview of Permanent Magnet Linear Machines with Primary Excitation. Transactions of China Electrotechnical Society, 2021, 36(11): 2325-2343.
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