Speed sensor-less control of an induction machine with rotor flux tracking at very low speed

被引：0

作者：

Dong, L ^{[1
]}

Li, YD ^{[1
]}

Chai, JY ^{[1
]}

Wang, WS ^{[1
]}

机构：

[1] Tsinghua Univ, Beijing 100084, Peoples R China

来源：

ICEMS'2001: PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS, VOLS I AND II | 2001年

关键词：

flux tracking; speed sensor-less control; high frequency signal injection;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This piper presents a novel method to estimate the rotor flux position of an induction machine by injecting high frequency signal at very low speed including zero. When the high frequency fluctuating signal is injected in the terminal of an induction machine, the difference of impedance between d-axis and q-axis of the synchronous rotating reference frame can be measured. And this phenomenon is explained by a high frequency model of induction machine, which is oriented with high frequency signal space vector. So the rotor flux angle can be tracked by tuning the space vector of high frequency signal. Experimental results are provided to verify that this algorithm is robust against parameters, variation and load change.

引用

页码：1230 / 1235

页数：6

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