Torque ripple suppression of open‐winding permanent magnet synchronous motor with common DC bus based on field circuit coupling method

IF 1.8 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

International Journal of Circuit Theory and Applications Pub Date : 2024-07-29 DOI:10.1002/cta.4159

Shirui Xie, Wendong Zhang, Xinpeng Feng, Wei Zhang, Pingping Gu, Ziqi Lei, Chaohui Zhao

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Abstract

To improve the torque control accuracy of an open‐winding permanent magnet synchronous motor with common DC bus, this paper studies a complex vector proportional–integral (CVPI) controller with the help of a proportional–integral (PI) controller to solve the problem of torque ripple caused by the current harmonics caused by the back electromotive force of the motor and the nonlinearity of the inverter. The controller has a higher gain at the center frequency and can realize the tracking of the alternating current (AC) quantity without static error. Therefore, it is used for the tracking control of current harmonics. According to the different characteristics of the dq0‐axis, complex j is realized by orthogonal characteristics and all‐pass filter in the dq‐axis and 0‐axis, respectively. At the same time, with the help of Ansys, Simplorer, and Matlab/Simulink tools, the co‐simulation platform for an open‐winding motor is established, and the motor parameters are optimized. The simulation and experimental results show that the control strategy based on CVPI has stronger harmonic suppression ability, smaller torque ripple, and better dynamic performance than proportional‐resonance (PR) control.

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基于场回路耦合方法的共直流母线开绕组永磁同步电机转矩纹波抑制技术

为了提高共直流母线开绕组永磁同步电机的转矩控制精度，本文研究了一种借助比例积分（PI）控制器的复矢量比例积分（CVPI）控制器，以解决由电机反向电动势和逆变器非线性引起的电流谐波导致的转矩纹波问题。该控制器在中心频率下具有较高增益，可实现对交流量的无静态误差跟踪。因此，它可用于电流谐波的跟踪控制。根据 dq0 轴的不同特性，在 dq 轴和 0 轴上分别通过正交特性和全通滤波来实现复 J。同时，借助 Ansys、Simplorer 和 Matlab/Simulink 工具，建立了开绕组电机的协同仿真平台，并对电机参数进行了优化。仿真和实验结果表明，与比例-谐振（PR）控制相比，基于 CVPI 的控制策略具有更强的谐波抑制能力、更小的转矩纹波和更好的动态性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Circuit Theory and Applications 工程技术-工程：电子与电气

CiteScore

3.60

自引率

34.80%

发文量

277

审稿时长

4.5 months

期刊介绍： The scope of the Journal comprises all aspects of the theory and design of analog and digital circuits together with the application of the ideas and techniques of circuit theory in other fields of science and engineering. Examples of the areas covered include: Fundamental Circuit Theory together with its mathematical and computational aspects; Circuit modeling of devices; Synthesis and design of filters and active circuits; Neural networks; Nonlinear and chaotic circuits; Signal processing and VLSI; Distributed, switched and digital circuits; Power electronics; Solid state devices. Contributions to CAD and simulation are welcome.