Influence of the number of turns on the performance of permanent magnet synchronous motor

被引：5
作者：
Qiu, H. [1 ]
Zhang, Y. [1 ]
Yang, C. [1 ]
Yi, R. [1 ]
机构：
[1] Zhengzhou Univ Light Ind, Sch Elect & Informat Engn, Zhengzhou 450002, Peoples R China
来源：
BULLETIN OF THE POLISH ACADEMY OF SCIENCES-TECHNICAL SCIENCES | 2020年 / 68卷 / 03期
基金：
中国国家自然科学基金;
关键词：
eddy current density; losses; PMSM; the number of turns; temperature field;
D O I：
10.24425/bpasts.2020.133375
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The current passed by the stator coil of the permanent magnet synchronous motor (PMSM) provides rotating magnetic field, and the number of turns will directly affect the performance of PMSM. In order to analyze its influence on the PMSM performance, a 3 kW, 1500 r/min PMSM is taken as an example, and the 2D transient electromagnetic field model is established. The correctness of the model is verified by comparing the experimental data and calculated data. Firstly, the finite element method (FEM) is used to calculate the electromagnetic field of the PMSM. The performance parameters of the PMSM are obtained. On this basis, the influence of the number of turns on PMSM performance is quantitatively analyzed, including current, no-load back electromotive force (EMF), overload capacity and torque. In addition, the influence of the number of turns on eddy current loss is further studied, and its variation rule is obtained, and the variation mechanism of eddy current loss is revealed. Finally, the temperature field of the PMSM is analyzed by the coupling method of electromagnetic field and temperature field, and the temperature rise law of PMSM is obtained. The analysis of this paper provides reference and practical value for the optimization design of PMSM.
引用
收藏
页码：429 / 436
页数：8
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