Rotor Speed Detection Method for Vector Control of Induction Motor without Speed Sensor Utilizing Slot Harmonics

被引：1
|
作者：
Kiyotake, Hirofumi [1 ]
Shinohara, Katsuji [2 ]
Yamamoto, Kichiro [2 ]
机构：
[1] Oita Natl Coll Technol, Oita, Japan
[2] Kagoshima Univ, Kagoshima 890, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2009年 / 169卷 / 01期
关键词：
induction motor; speed sensorless vector control; high-frequency signal injection; slot harmonics; SATURATION-INDUCED SALIENCIES; FLUX POSITION ESTIMATION; AC MACHINES; LOADED CONDITIONS; ZERO-FREQUENCY; DRIVES; SUPPRESSION; INJECTION; VELOCITY;
D O I：
10.1002/eej.20847
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：
Speed sensorless vector controlled induction motor drives are the standard choice in many industrial applications, but this can hardly control torque and rotor speed at low speed. Recently, a method based on high-frequency signal inflection has been Studied. This paper presents a method for suppressing the effects of the saturation saliency by using a high-pass filter, and a new approach to estimate the rotor speed. The effectiveness of these methods is demonstrated through experimental results showing both good suppression of saturation harmonics and good sensorless speed control at low speed. (C) 2009 Wiley Periodicals, Inc. Electr Eng Jpn, 169(1): 41-49, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/eej.20847
引用
收藏
页码：41 / 49
页数：9
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