Speed-Sensorless Control for Induction Motor Based on back-EMF Integration

被引：0
|
作者：
Zhou, Cheng [1 ]
Xie, Changying [2 ]
Zhang, Maosong [2 ]
机构：
[1] Anhui Univ, Innovat Ctr Ind Energy saving & Power Qual Contro, Hefei 230039, Peoples R China
[2] Anhui Univ, Coll Elect Engn & Automat, Hefei 230039, Peoples R China
来源：
PROCEEDINGS OF THE 2015 10TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS | 2015年
关键词：
Asynchronous motors; Rotor Field Oriented; Slip;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Rotor field oriented vector control system has been widely used in high-performance industrial applications. Because vector control needs the speed closed-loop, in many cases, people use installed coaxial speed sensor to achieve speed measurement. But the precise speed sensor not only increases the cost of the system and reduces the reliability of the system, but also add difficulties to the installation and maintenance. Besides, the speed sensor is not able to be installed in some harsh environment. Therefore, the research on speed-sensorless vector control technology is greatly valuable. For speed-sensorless system, since one can only measure terminal voltage and current of the motor, thus rotor speed and rotor flux can only be obtained by calculating the voltage and current. This paper achieves speed-sensorless vector control through real-time estimation for the motor speed based on the motor back-electromotive force (EMF) integration algorithms.
引用
收藏
页码：1381 / 1384
页数：4
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