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Research of open-circuit fault simulation and diagnosis for wind power converter
Author(s): Wei Zhang; Qihui Ling; Qiancheng Zhao; Xian Wang; Bing Zeng
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Paper Abstract

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.

Paper Details

Date Published: 13 November 2019
PDF: 8 pages
Proc. SPIE 11343, Ninth International Symposium on Precision Mechanical Measurements, 113430W (13 November 2019); doi: 10.1117/12.2548535
Show Author Affiliations
Wei Zhang, Hunan Univ. of Science and Technology (China)
Qihui Ling, Hunan Univ. of Science and Technology (China)
Qiancheng Zhao, Hunan Univ. of Science and Technology (China)
Xian Wang, Hunan Univ. of Science and Technology (China)
Bing Zeng, XEMC Wind Power Co., Ltd. (China)


Published in SPIE Proceedings Vol. 11343:
Ninth International Symposium on Precision Mechanical Measurements
Liandong Yu, Editor(s)

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