Induction Machine Rotor Time Constant Identification Using Bisection Search Method

被引：0

作者：

Niu, Li ^{[1
]}

Liu, Xiong ^{[2
]}

Wang, Youyi ^{[3
]}

Gupta, Amit K. ^{[2
]}

Zhai, Jianyang ^{[1
]}

机构：

[1] Nanyang Technol Univ, Rolls Royce NTU Corp Lab, Singapore 637460, Singapore

[2] Rolls Royce Singapore Pte Ltd, Singapore 797565, Singapore

[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

PROCEEDINGS OF THE 2016 IEEE REGION 10 CONFERENCE (TENCON) | 2016年

关键词：

induction machine; field oriented control; rotor time constant; bisection search method;

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：

In order to achieve high performance field oriented control of induction motors, it is important that the rotor time constant be accurately known for slip speed and synchronous speed calculation. However the rotor time constant may vary during operation. In this paper, a novel rotor time constant identification method is presented. With the flux command disturbance, the current command produced by the speed regulator has different behavior under different sign of the rotor time constant error. A bisection method is then applied with the sign of the rotor time constant error to quickly find the real value of the rotor time constant. This method can be used as an online rotor time constant identification method because the disturbance in the flux command will generate smaller speed oscillation if the rotor time constant is close to the real one. Simulation results are given to verify the effectiveness of the proposed method.

引用

页码：3648 / 3652

页数：5

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