Fast fault diagnosis strategy for the main loop of excitation power unit

doi:10.11835/j.issn.1000-582X.2015.04.019

Home > Archive>Volume 38, Issue 4, 2015 >137-145. DOI:10.11835/j.issn.1000-582X.2015.04.019

Fast fault diagnosis strategy for the main loop of excitation power unit
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                        10.11835/j.issn.1000-582X.2015.04.019
                    
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                        LIU WeiLIU Wei
College of Electronic Information and Automation，Chongqing University of Technology, Chongqing 400054, P.R.China
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ZHANG ZhentaoZHANG Zhentao
Chongqing Institute of Measurement and Quality Inspection， Chongqing 401121，P. R. China
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LIANG KangyouLIANG Kangyou
Electronic and Electrical Engineering College，Chongqing Academy of Arts and Sciences, Chongqing 402160，P. R. China
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TAN YuhangTAN Yuhang
Electronic and Electrical Engineering College，Chongqing Academy of Arts and Sciences, Chongqing 402160，P. R. China
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Fund Project:Supported by Graduates Innovation Fundation of Chongqing University of Technology (YCX2013217).

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Abstract:

This paper summarizes the fault type of generator excitation power unit and common fault. Through the simulation of Matlab power unit which is the main circuit fault types, fault spectrum analysis focuses on the quantitative fault feature extraction and fault classification. Then a truth table method for fast fault diagnosis strategy of the main loop of power unit is proposed, and the platform experiment verifies fault categories. The strategy provide the basis for excitation system power unit failure diagnosis.

Key words:the power unit of the main loop; fault diagnosis; generator excited system; thyristors

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刘伟,张朕滔,梁康有,谭宇航.励磁功率单元主回路快速故障诊断策略[J].重庆大学学报,2015,38(4):137~145

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Received:March 15,2015
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Online: August 06,2015
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