以电流矢量为目标的永磁同步电机定子电流动态预测

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摘要提出一种以电流矢量为目标的永磁同步电机（PMSM）定子电流动态预测方法。通过研究αβ静止坐标系下PMSM定子电流矢量动态响应,得出电流矢量变化的三个作用分量,并在离散周期上,利用泰勒级数对每个分量截断近似,进而得到PMSM定子电流矢量的动态预测方法。对方法中各个分量的近似误差进行了分析,同时为参数选择和应用条件提供了理论依据。最后,利用实验验证了预测方法的准确性。

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	荆锴
	孙鹤旭
	董砚
	郑易

关键词 ：永磁同步电机, 电流矢量, 电流预测, 误差分析

Abstract：This paper proposed a dynamic prediction method for stator current of permanent magnet synchronous motor (PMSM), targeting the current vector. The dynamic response of the current vector has been studied on the αβ stationary frame, and the vector is decomposed into three components caused by different actions. Each component is truncated and approximated by Taylor series, and the proposed method is thereafter obtained. In addition, through the error analysis of each component, a basis of parameter selection and application is provided. Experiments verify the accuracy of the prediction method.

Key words： Permanent magnet synchronous motor current vector current prediction error analysis

收稿日期: 2014-03-21 出版日期: 2016-03-03

PACS:

TM341

基金资助:河北省重大科技成果转化项目（13041709Z）和河北省自然科学基金（E2013202108）资助项目

通讯作者: 孙鹤旭男,1956年生,教授,博士生导师,研究方向为工程系统与控制。E-mail: hxsun@hebut.edu.cn

作者简介: 荆锴男,1987年生,博士研究生,研究方向为电机系统及其控制。E-mail: jingkai_1082@126.com

引用本文:

荆锴, 孙鹤旭, 董砚, 郑易. 以电流矢量为目标的永磁同步电机定子电流动态预测[J]. 电工技术学报, 2016, 31(2): 47-55. Jing Kai, Sun Hexu, Dong Yan, Zheng Yi. Stator Current Dynamic Prediction of Permanent Magnet Synchronous Motor Targeting the Current Vector. Transactions of China Electrotechnical Society, 2016, 31(2): 47-55.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2016/V31/I2/47

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