Current sensor fault diagnosis for doubly-fed wind generator control system

被引：1
作者：
Zhang, Chang-Fan [1 ]
Yan, Min [1 ]
He, Jing [1 ,2 ]
Luo, Cheng [3 ]
Xiao, Yuan-Yuan [1 ]
机构：
[1] College of Electrical and Information Engineering, Hunan University of Technology, Hunan, 412008, Zhuzhou
[2] College of Mechatronic Engineering and Automation, National University of Defense Technology, Hunan, Changsha
[3] Wind Power Department, CSR Zhuzhou Institute Co., Ltd., Hunan, 412001, Zhuzhou
来源：
Information Technology Journal | 2013年 / 12卷 / 18期
关键词：
Doubly-fed generator; Fault detection; Robust residual; State observers;
D O I：
10.3923/itj.2013.4368.4373
中图分类号：
学科分类号：
摘要：
Aiming at the improvement of operation reliability, the study present a sensor fault diagnosis method for the doubly-fed wind generator control system. Firstly, a double-fed wind generator modeling method on consideration of unknown input disturbance is presented. The designs of Luenberger observer and sliding mode observer are following. The former is in order to change the nonlinear system into a linear time-invariant one and the latter for the elimination of the influence of unknown input disturbance in fault diagnosis. Finally, an observers-based sensor fault diagnosis method is proposed and its effectiveness is verified through experiments with different types of sensor faults. © 2013 Asian Network for Scientific Information.
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页码：4368 / 4373
页数：5
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