Sensorless Control Technology for PMSG base on the Dead-time Compensation voltage

被引：0

作者：

Yang Li-yong ^{[1
]}

Zhai Fei ^{[1
]}

机构：

[1] North China Univ Technol, Beijing, Peoples R China

来源：

2015 7TH INTERNATIONAL CONFERENCE ON MECHANICAL AND ELECTRONICS ENGINEERING (ICMEE 2015) | 2015年 / 31卷

关键词：

Permanent Magnet Synchronous wind power Generator; Back Electromotive Force; Dead-time voltage Compensation; Flux Estimate;

D O I：

10.1051/matecconf/20153107001

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 improve the speed sensorless-control system of PMSG in low speed performance, this paper introduces a novel Dead-time compensation control method. Mathematical model is established according to the Dead-zone of the influence of the voltage source type inverter output voltage. At the same time, the given value of current regulator output voltage has been fixed based on the established model. Then the stator voltage after compensationed is applied to the flux estimation, which improves the performance of flux estimation. Finally, the position and speed of the rotor is estimated based on Back-Electromotive Force, which has Simple algorithm and good robustness. In order to verify the correctness of theoretical analysis, the experiment was done according to the new control method. The results proved the correctness and feasibility of this control method.

引用

页数：8

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