Method for flux linkage optimization of permanent magnet synchronous motor based on nonlinear dynamic analysis

被引:0
作者
Qian Xie
Changhui Mu
Gang Wu
Zhibin Yu
Yanan Yu
Rong Jia
机构
[1] Xi’an University of Technology,Institute of Water Resources and Hydro
[2] Xi’an University of Technology,electric Engineering
[3] PetroChina Changqing Oilfield Company,Smart Energy Technology Research Center
[4] Xi’an Jiaotong University,Changbei Operating Company
来源
Nonlinear Dynamics | 2019年 / 97卷
关键词
Nonlinear dynamic; PMSM; Magnetic flux linkage; Finite element analysis;
D O I
暂无
中图分类号
学科分类号
摘要
This paper investigates the nonlinear dynamic behavior characteristics of PMSM and its application in the optimization of magnetic flux linkage. A new compact representation of the PMSM nonlinear dynamic differential equation is established to reduce the complexity of system parameters by using the affine transformation method. Accordingly, the numerical simulations under different parameters varying are given and the dynamic behavior of system is analyzed in detail to provide a reference for motor design. Then, according to the practical design and the above analysis results, a 30 kW PMSM 2D/3D model is designed by software ANSYS and the rated parameters and dimensions are obtained correspondingly. In addition, the nonlinear dynamic theory is used to analyze the system with variable ψf\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\psi _f $$\end{document} parameters, and the flux linkage stable region of PMSM is obtained concurrently. Moreover, five situations of PMSM models with different magnetic flux linkages are simulated by using the finite element analysis method. The optimum value of flux linkage and the corresponding permanent magnet specifications and dimensions are obtained to illustrate the effectiveness and feasibility of our theory result.
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页码:2067 / 2089
页数:22
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