Research of open-circuit fault simulation and diagnosis for wind power converter

被引：0

作者：

Zhang, Wei ^{[1
,2
]}

Ling, Qihui ^{[1
,2
]}

Zhao, Qiancheng ^{[1
,2
]}

Wang, Xian ^{[1
,2
]}

Zeng, Bing ^{[3
]}

机构：

[1] Hunan Univ Sci & Technol, Engn Res Ctr, Xiangtan 411201, Peoples R China

[2] Hunan Univ Sci & Technol, Sch Mech Engn, Xiangtan 411201, Peoples R China

[3] XEMC Wind Power Co Ltd, Xiangtan, Peoples R China

来源：

NINTH INTERNATIONAL SYMPOSIUM ON PRECISION MECHANICAL MEASUREMENTS | 2019年 / 11343卷

基金：

中国国家自然科学基金;

关键词：

Wind turbines; Converter; Grid-side current; Open-circuit fault; Fault location; Simulation;

D O I：

10.1117/12.2548535

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, the converter of a 2MW direct-driven permanent-magnet wind turbine is researched for exactly locating the open-circuit fault of wind power converter. The structure and fault characteristics of the converter is analysed, and open-circuit fault location of the converter is implemented by defining a fault feature variable based on grid-side current signal. Based on Matlab/Simulink platform, the fault simulation model of wind power converter is built, the waveforms changes of grid-side current and fault feature variables are analysed under different fault conditions. The simulation results show the feasibility and effectiveness of the model. It provides a fast-position diagnosis method for the open-circuit fault of wind power converter, and has the certain application value for project.

引用

页数：8

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