A speed estimator for sensorless vector control of induction machines in the field weakening region

被引：0
作者：
Levi, E [1 ]
Wang, MY [1 ]
机构：
[1] Liverpool John Moores Univ, Sch Engn, Liverpool L3 3AF, Merseyside, England
来源：
PESC 2000: 31ST ANNUAL IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-3 | 2000年
关键词：
D O I：
暂无
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：
A number of speed estimation schemes for sensorless, vector control of induction machines utilise a mathematical model of the machine in the estimation process. Operation of a sensorless indirect rotor flux oriented machine in the field weakening region requires that the variable degree of main flux saturation is recognised and compensated in the speed estimator. The paper describes implementation of a recently proposed modified version of the rotor flux based MRAC type of speed estimator, that fully compensates for the variable degree of main flux saturation. Effectiveness and accuracy of the developed sensorless vector control scheme for operation in the field weakening region are verified by experimentation.
引用
收藏
页码：897 / 902
页数：6
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