Influence of High-Frequency Leakage Current on Motor Position Control in PWM Inverter-Fed Servo Drives

被引：1
|
作者：
Tagami, Kotaro [1 ]
Ogasawara, Satoshi [1 ]
机构：
[1] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 060, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2013年 / 185卷 / 04期
关键词：
precision positioning; high-frequency leakage current; inverter current discontinuous mode; COMMON-MODE VOLTAGE;
D O I：
10.1002/eej.22479
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Advances in power semiconductor devices have contributed to the realization of high-performance power converters and high-precision motor positioning. However, high-speed switching of power devices leads to a high-frequency leakage current and/or electromagnetic interference (EMI). On the other hand, it has been considered that the leakage current has no relation to motor position control in servo drive systems. This paper analyzes the influence of high-frequency leakage current on motor positioning and describes its mechanism. Experimental and simulation results show that high-frequency leakage current may cause variations in the motor position with a frequency that is twice the line frequency. (c) 2013 Wiley Periodicals, Inc. Electr Eng Jpn, 185(4): 33-43, 2013; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/eej.22479
引用
收藏
页码：33 / 43
页数：11
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