Rotor position estimator for stator flux-oriented sensorless control of slip ring induction machine

被引：11
作者：
Bhattacharya, T. [1 ]
Umanand, L. [1 ]
机构：
[1] Indian Inst Sci, Ctr Elect Design & Technol, Bangalore 560012, Karnataka, India
来源：
IET ELECTRIC POWER APPLICATIONS | 2009年 / 3卷 / 01期
关键词：
GENERATOR; MOTOR;
D O I：
10.1049/iet-epa:20080044
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 rotor position estimation scheme for stator flux-oriented speed sensorless control of slip ring induction machine (SRIM) is presented in this paper. Position of the rotor is estimated by integrating the rotor back-electromotive force. The problem of DC drift during integration is eliminated using an error-decaying mechanism in the estimator. This estimation scheme reduces the propagation of noise in the sensed current to the estimated rotor side unit vectors. This scheme also eliminates the need for differentiating the unit vectors for estimating slip frequency. The proposed scheme is simulated and experimentally verified.
引用
收藏
页码：67 / 76
页数：10
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