Numerical Calculation of Stator End Leakage Reactance of Permanent Magnet Machines with Concentric Winding

被引：2
|
作者：
Zheng, Xiaoqin [1 ]
Zhang, Wen [1 ]
Wu, Xinzhen [1 ]
Ni, Ronggang [1 ]
机构：
[1] Qingdao Univ, Coll Elect Engn, Qingdao 266071, Shandong, Peoples R China
来源：
JOURNAL OF MAGNETICS | 2019年 / 24卷 / 01期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
concentric winding; magnetic vector potential; coil group; finite element method;
D O I：
10.4283/JMAG.2019.24.1.184
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Concentric winding has been widely used in small capacity AC motors due to its excellent performance. In this paper, a numerical calculation method based on the magnetic vector potential is proposed to calculate the stator end leakage reactance of concentric winding. In this case, the basic unit of numerical calculation becomes the coil group rather than the coil since concentric windings have different coil sizes. The calculated stator end leakage reactance of a prototype three-phase permanent magnet machine with concentric winding is validated using the finite element method. Compared to 3D electromagnetic field calculation, the proposed method does not require a complex modeling process and is therefore highly efficient computationally, requiring only a fraction of the calculation time.
引用
收藏
页码：184 / 189
页数：6
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