电工技术学报  2018, Vol. 33 Issue (23): 5410-5417    DOI: 10.19595/j.cnki.1000-6753.tces.L80247
电机与电器 |
计及互感影响的四相开关磁阻电机测试线圈转子位置检测研究
陈辉1, 张旸明1, 张磊2, 刘闯1
1. 南京航空航天大学自动化学院 南京 211106;
2. 南京晓庄学院电子工程学院 南京 211106
Research on Rotor Position Detection of Four Phase Switched Reluctance Motor Based on Searching Coils Considering Mutual Inductance
Chen Hui1, Zhang Yangming1, Zhang Lei2, Liu Chuang1
1. College of Automation Nanjing University of Aeronautics and Astronautics Nanjing 211106 China;
2. School of Electronic Engineering Nanjing Xiaozhuang University Nanjing 211106 China
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摘要 针对测试线圈用于四相开关磁阻电机(SRM)转子位置检测时互感对角度估算的影响,提出一种转子位置检测方法。首先分析相绕组对测试线圈的互感、测试线圈之间的互感对测试线圈电感不对称性的影响以及对基于测试线圈电感对称性进行位置解码的特征值交截法和阈值比较法的影响。在此基础上提出电机起动阶段采用两相测试线圈初始定位,起动后采用单相测试线圈进行四相SRM转子位置检测的工作原理,该方法可以有效消除测试线圈间互感对位置检测精度的影响。最后通过仿真和实验进行验证,证明了所提方法的正确性和可行性。
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陈辉
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关键词 互感影响测试线圈转子位置检测开关磁阻电机    
Abstract:Considering the influence of mutual inductance on the position estimation of the four phase switched reluctance motor using searching coils, a rotor position estimation method is proposed in this paper. At first, the mutual inductance between phase windings and searching coils, the mutual inductance between searching coils are discussed. Thus the position estimation error of the eigenvalue intercepting method and the threshold comparison method caused by mutual inductance are analyzed. On this basis, it is proposed that two searching coils are used to realize initial positioning and start the SRM, and the single searching coil is used to detect the position of the four phase SRM rotor after starting. The proposed method can effectively eliminate the influence of the mutual inductance between searching coils and improve position estimation precision. Finally, simulations and experiments verify the correctness and feasibility of the proposed method.
Key wordsMutual inductance    searching coils    rotor position detection    switched reluctance motor   
收稿日期: 2018-06-29      出版日期: 2018-12-17
PACS: TM352  
基金资助:国家自然科学基金(51877108)、江苏省自然科学基金(BK20151574)和国家自然科学基金青年科学基金(51807090)资助项目
作者简介: 陈 辉 男,1994年生,硕士研究生,研究方向为开关磁阻电机控制技术。E-mail:hui_chenjerry@163.com; 刘 闯 男,1973年生,教授,博士生导师,研究方向为现代交流调速、航空航天电源系统、新能源发电技术。E-mail:lc@nuaa.edu.cn(通信作者)
引用本文:   
陈辉, 张旸明, 张磊, 刘闯. 计及互感影响的四相开关磁阻电机测试线圈转子位置检测研究[J]. 电工技术学报, 2018, 33(23): 5410-5417. Chen Hui, Zhang Yangming, Zhang Lei, Liu Chuang. Research on Rotor Position Detection of Four Phase Switched Reluctance Motor Based on Searching Coils Considering Mutual Inductance. Transactions of China Electrotechnical Society, 2018, 33(23): 5410-5417.
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