基于新型高频注入法的表贴式永磁同步电机转子初始位置检测方法

doi:10.19595/j.cnki.1000-6753.tces.170756

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摘要

针对表贴式永磁同步电机,提出了一种基于虚拟脉振高频注入法结合载波频率成分法的转子初始位置检测方法。该方法在传统脉振高频注入法的基础上,加入虚拟高频旋转坐标,对传统脉振高频注入法进行了改进;同时,引入载波频率成分法作为转子磁极判断依据。通过仿真和工程实验,对该方法进行验证。实验结果表明：与传统的脉振高频注入法相比,该方法不需要PI调节,易于工程实现,并解决了部分传统脉振高频注入法的过零点问题;与传统的磁极判断方法相比,该方法实施过程简单,准确性高,算法执行时间短。

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关键词 ：表贴式永磁同步电机, 位置检测, 凸极效应, 虚拟脉振, 载波成分

Abstract：

A novel initial position detecting strategy of sensorless control for the surface mounted permanent magnet synchronous machines (SPMSM) which combines the virtual high frequency pulsating injection method with the carrier frequency component method was proposed. In order to improve the sensorless control performance, this method adds the virtual high frequency rotation frame on the basis of the traditional high frequency (HF) pulsating injection method. At the same time, the carrier frequency component signals were utilized to detect magnetic pole. The simulation and experimental results show that the proposed method does not require PI regulation, which can be achieved by project easily. The novel magnetic pole judgment method effectively improves the detecting performance of sensorless control in the long algorithm execution time, complex process, etc. The experimental results verified the correctness of the strategy.

Key words： Surface permanent magnet synchronous motor position detection salient pole effect virtual high-frequency injection carrier-frequency component

收稿日期: 2017-06-01 出版日期: 2018-07-12

PACS:

TM301

基金资助:

国家重大科学仪器设备开发专项（2012YQ040235）、国家自然科学基金（61773041）和国家自然科学基金创新研究群体项目（61421063）资助

通讯作者: 洪琨男,1994年生,硕士研究生,研究方向为永磁电机控制技术。E-mail：hongkun@buaa.edu.cn

作者简介: 刘刚男,1970年生,教授,博士生导师,研究方向为永磁同步电机控制技术、磁悬浮飞轮技术和惯性执行机构技术。

引用本文:

洪琨, 刘刚, 毛琨, 吕晓源, 周新秀. 基于新型高频注入法的表贴式永磁同步电机转子初始位置检测方法[J]. 电工技术学报, 2018, 33(13): 2914-2922. Hong Kun, Liu Gang, Mao Kun, Lü Xiaoyuan, Zhou Xinxiu. Initial Position Detection of Surface Mounted Permanent Magnet Synchronous Machines Based on Novel High-Frequency Injection Method. Transactions of China Electrotechnical Society, 2018, 33(13): 2914-2922.

链接本文:

https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.170756 https://dgjsxb.ces-transaction.com/CN/Y2018/V33/I13/2914

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