电工技术学报  2018, Vol. 33 Issue (20): 4739-4745    DOI: 10.19595/j.cnki.1000-6753.tces.171306
电工理论 |
基于极限磁滞回线法的软磁复合材料磁特性模拟
段娜娜1, 徐伟杰2, 李永建3, 王曙鸿1, 朱建国4
1. 西安交通大学电气工程学院 西安 710049;
2. 国网陕西省电力公司建设分公司 西安 710065;
3. 河北工业大学电磁场与电器可靠性省部共建重点实验室 天津 300130;
4. 悉尼大学工程与信息技术学院 悉尼 NSW 2006
Electromagnetic Property Modeling of the Soft Magnetic Composite Material Based on the Limiting Loop Method
Duan Nana1, Xu Weijie2, Li Yongjian3, Wang Shuhong1, Zhu Jianguo4
1. School of Electrical Engineering Xi’an Jiaotong University Xi’an 710049 China;
2. State Grid Shaanxi Electric Power Company Construction Branch Xi’an 710065 China ;
3. Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability Hebei University of Technology Tianjin 300130 China;
4. Faculty of Engineering and Information Technologies The University of SydneyNSW 2006 Australia
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摘要 软磁复合材料由于其磁各向异性、低损耗、易加工、成本低等优点,在含有三维磁路结构的电磁设备(如球形电机、爪极电机、横向磁通电机等)中具有巨大的应用潜力,因此在电气工程领域引起了广泛关注。为准确模拟软磁复合材料在复杂磁化条件下的磁特性,本文提出基于Preisach磁滞模型的极限磁滞回线法。该方法通过Preisach平面几何描述和分离分布函数变量解决经典Preisach模型中分布函数难以确定的问题,只需要极限磁滞回线的数据就能够模拟包括主磁滞回线和多阶回转曲线在内的多种磁特性。根据模拟得到的不同压力作用下的一阶回转曲线族求出不同压力下所对应的分布函数,同时引入包含压力在内的分布函数表达式,使其能够考虑压力变化对材料磁特性的影响。最后通过与实验结果对比,验证极限磁滞回线法的有效性和正 确性。
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关键词 软磁复合材料极限磁滞回线法分布函数磁特性模拟    
Abstract:The soft magnetic composite materials have undergone significant development due to their unique advantages such as low eddy current loss, quasi-isotropy of mechanical and magnetic properties, great design flexibility, low cost and low material consumption during the production process. These materials are suitable for some special electromagnetic devices with 3-D magnetic flux paths, such as transverse flux, claw pole, and axial flux permanent magnet motors. Since the soft magnetic composite materials have been widely used with satisfaction, the magnetic properties, i.e., major hysteresis loops, minor hysteresis loops, and reversal curves, need to be fully understood for developing high performance electromagnetic devices. In this paper, the limiting loop method based on the Preisach model is introduced to simulate the magnetic properties of soft magnetic composite material. A new formulation of the normal Preisach model was derived based on a graphical description of the Preisach theory of magnetic hysteresis. With the help of the Preisach diagrams for the limiting hysteresis loop, the difficulty of identifying the elementary dipole distribution function was circumvented. The new parameter identification method only requires the limiting hysteresis loop as the input data. Besides, to simulate the magnetic properties under different stress, the effect of stress on the magnetization process is taken into account in the improved limiting loop method. Finally, to verify the proposed model, the magnetic properties of SOMALOYTM 500, a classical type of SMC material, are simulated and compared with the experimental results. The accuracy and effectiveness of the model are validated by the actual measurement.
Key wordsSoft magnetic composite materials    limiting loop method    distribution function    magnetic hysteresis modeling   
收稿日期: 2017-09-15      出版日期: 2018-10-30
PACS: TM304  
基金资助:基金项目国家自然科学基金(51707142)和中国博士后基金(2016M602818)资助项目
作者简介: 段娜娜 女,1987年生,博士,讲师,研究方向为工程电磁场数值分析,超导电力技术,先进电工材料的电磁特性建模和仿真。E-mail: duannana@xtju.edu.cn;王曙鸿 男,1968年生,教授,博士生导师,研究方向为电磁场数值分析,超导电力技术,先进电工材料的电磁特性建模和仿真。E-mail: shwang@xtju.edu.cn(通信作者)
引用本文:   
段娜娜, 徐伟杰, 李永建, 王曙鸿, 朱建国. 基于极限磁滞回线法的软磁复合材料磁特性模拟[J]. 电工技术学报, 2018, 33(20): 4739-4745. Duan Nana, Xu Weijie, Li Yongjian, Wang Shuhong, Zhu Jianguo. Electromagnetic Property Modeling of the Soft Magnetic Composite Material Based on the Limiting Loop Method. Transactions of China Electrotechnical Society, 2018, 33(20): 4739-4745.
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