基于高频注入法的永磁同步电动机转子初始位置检测研究_贾洪平.pdf
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27 卷 15 期 中 国 电 机 工 程 学 报 Vol.25 No.15 May 2007
2007 年5 月 Proceedings of the CSEE 2007 Chin.Soc.for Elec.Eng.
文章编号:0258-8013 (2007) 15-0015-06 中图分类号:TM301 文献标识码:A 学科分类号:47040
基于高频注入法的永磁同步电动机
转子初始位置检测研究
1 2
贾洪平 ,贺益康
( 1. 江苏大学电气信息工程学院,江苏省 镇江市212013;
2. 浙江大学电气工程学院,浙江省 杭州市310027 )
Study on Inspection of the Initial Rotor Position of a PMSM Based on
High-frequency Signal Injection
1 2
JIA Hong-ping ,HE Yi-kang
( 1. School of Electrical and Information Engineering,Jiangsu University, Zhenji ang 212013, Jiangsu Province, China; 2. College of
Electrical Engineering,Zheji ang University, Hangzhou 310027, Zheji ang Province, China)
ABSTRACT: The estimation accuracy of the initial rotor 0 引言
position for a permanent-magnet synchronous motor(PMSM)
[1-4]
PMSM 的高性能控制如矢量控制 和直接转
directly determines whether the motor could be started-up
successfully or not, the operation behavior would be better or 矩控制[5-9], 都需要准确知道转子的初始位置。如果
worse and the high performance control strategy could be 转子初始位置估计误差较大,会导致无法正确选择
realized or not. An initial rotor position inspection scheme was 合适的电压空间矢量使之顺利起动。对于直接转矩
proposed, which utilizes the magnetic saturation difference
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