基于脉振高频电流注入法的SPMSM初始位置检测方法

doi:10.11985/2017.04.008

电气工程学报 ›› 2017, Vol. 12 ›› Issue (4): 45-50.doi: 10.11985/2017.04.008

• 工程技术 • 上一篇

基于脉振高频电流注入法的SPMSM初始位置检测方法

陈建松¹,柏文杰¹,周融¹,刘丽东²,刘兵³,魏佳丹³

1.南京出入境检验检疫局南京 211106
2.中国合格评定国家认可中心北京 100062
3.南京航空航天大学电气工程系南京 211106

收稿日期:2016-07-07 出版日期:2017-04-25 发布日期:2019-12-23
作者简介:陈建松男 1961年生,研究员,博士,研究方向为电机性能检测技术。|柏文杰男 1987年生,工程师,研究方向为电机性能检测技术。
基金资助:
国家质量监督检验检疫总局科技计划项目资助(2015IK147)

Initial Rotor Position Detection Method of SPMSM Based on High Frequency Current Injection Method

Chen Jiansong¹,Bai Wenjie¹,Zhou Rong¹,Liu Lidong²,Liu Bing³,Wei Jiadan³

1.Nanjing Entry-Exit Inspection and Quarantine Bureau Nanjing 211106 China
2.China National Accreditation Service for Conformity Assessment Beijing 100062 China
3.University of Aeronautics & Astronautics Nanjing 211106 China;

Received:2016-07-07 Online:2017-04-25 Published:2019-12-23

摘要/Abstract

摘要：

采用脉振高频电流注入法进行表贴式永磁同步电机初始位置估计时需进行磁极判断,针对传统的注入正负脉冲电压的方法存在转子抖动、检测时间长等问题,提出了一种分区间积分的方法,将一个注入信号周期均匀分割成四个区间,在区间I和III内对d轴高频电压响应进行积分,根据积分值的符号判断d轴正方向,该方法无需额外注入正负脉冲信号判断d轴正方向,缩短了估计时间,简化了估计过程,避免了小惯量电机在注入正负脉冲电压时可能导致的转子抖动问题,拓宽了应用范围。理论分析、仿真和实验结果均验证了该方法的正确性。

关键词: SPMSM, 高频电流注入, 磁极判断, 初始位置检测

Abstract:

In the paper, the high frequency sinusoidal current injection method is used to detect the initial rotor position. When a high frequency current is injected into d-axis, the saturation of magnetic field in d-axis can lead to high frequency voltage response. A detailed analysis on the convergence of initial rotor position is given. To solve the problems such as rotor jitter, long testing time, which is introduced by the traditional method of injecting negative and positive pulse voltage, a new polarity detection is proposed. A signal injection cycle is divided into four interval and the d-axis direction is determined by the sign of the integral value of high frequency voltage response in interval of I and III. This method does not need additional injection of positive and negative pulse signal to determine d-axis direction, shortens the time estimates, simplifies the estimation process, avoids the rotor small vibration problem when injecting positive and negative pulse voltage. The theory analysis, simulation and experimental results validate the effectives of the method.

Key words: Surfue-mounted permanent-magnet synchronous machines, high frequency current injection, magnetic polarity detection, initial rotor position estimation

中图分类号:

TM351

陈建松,柏文杰,周融,刘丽东,刘兵,魏佳丹. 基于脉振高频电流注入法的SPMSM初始位置检测方法[J]. 电气工程学报, 2017, 12(4): 45-50.

Chen Jiansong,Bai Wenjie,Zhou Rong,Liu Lidong,Liu Bing,Wei Jiadan. Initial Rotor Position Detection Method of SPMSM Based on High Frequency Current Injection Method[J]. Journal of Electrical Engineering, 2017, 12(4): 45-50.

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参考文献 12

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参数名称	数值	参数名称	数值
额定电压U_N/V	300	每极磁通量Φ /Wb	0.106 3
额定功率P_N/W	400	转动惯量J/g·m²	0.040 2
额定转速n_N/rpm	6 000	每相电阻R_s/Ω	3.2
额定电流I_N/A	2.1	直轴电感L_d/mH	8
极对数P_n	2	交轴电感L_q/mH	8

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基于脉振高频电流注入法的SPMSM初始位置检测方法

Initial Rotor Position Detection Method of SPMSM Based on High Frequency Current Injection Method

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