Optimized INFORM measurement sequence for sensorless PM synchronous motor drives with respect to minimum current distortion

被引：125

作者：

Robeischl, E ^{[1
]}

Schroedl, M

机构：

[1] Elek GmbH, VA TECH, ELIN, A-1210 Vienna, Austria

[2] Vienna Univ Technol, Inst Elect Drives & Machines, A-1040 Vienna, Austria

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2004年 / 40卷 / 02期

关键词：

AC machines; current distortion; INFORM method; permanent-magnet (PM) motors; sensorless control; sensorless drives; sensorless position estimation; variable-speed drives;

D O I：

10.1109/TIA.2004.824510

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a standard measurement sequence for INFORM-based sensorless position estimation of permanent-magnet synchronous motors is analyzed. Its properties with respect to the current deviation caused by the INFORM measurement are pointed out. Based on that a modified measurement sequence with minimum current deviation and minimum time demand is introduced. Measurement results verify the improvement of the modified measurement sequence: The current distortion is reduced significantly, resulting in reduced additional losses. Additionally, several measurement results concerning the performance of the sensorless position estimation under various load conditions are presented. Successful industrial applications are given.

引用

页码：591 / 598

页数：8

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