Partial discharge (PD) fault analysis is an important tool for insulation condition diagnosis of electrical equipment. In order to conquer the limitations of traditional PD fault diagnosis, a novel feature extraction approach based on variational mode decomposition (VMD) and multi-scale dispersion entropy (MDE) is proposed. Besides, a hypersphere multiclass support vector machine (HMSVM) is used for PD pattern recognition with extracted PD features. Firstly, the original PD signal is decomposed with VMD to obtain intrinsic mode functions (IMFs). Secondly proper IMFs are selected according to central frequency observation and MDE values in each IMF are calculated. And then principal component analysis (PCA) is introduced to extract effective principle components in MDE. Finally, the extracted principle factors are used as PD features and sent to HMSVM classifier. Experiment results demonstrate that, PD feature extraction method based on VMD-MDE can extract effective characteristic parameters that representing dominant PD features. Recognition results verify the effectiveness and superiority of the proposed PD fault diagnosis method.
机构:
Automation and Electrical Engineering College,Dalian Jiaotong UniversityAutomation and Electrical Engineering College,Dalian Jiaotong University
Yunting Zheng
Shaohua Chen
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Automation and Electrical Engineering College,Dalian Jiaotong UniversityAutomation and Electrical Engineering College,Dalian Jiaotong University
Shaohua Chen
Zhiyong Tan
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CRRC Dalian CoLtdAutomation and Electrical Engineering College,Dalian Jiaotong University
Zhiyong Tan
Yongkui Sun
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National Engineering Research Center of Rail Transportation Operation and Control System,Beijing JiaotongAutomation and Electrical Engineering College,Dalian Jiaotong University
机构:
Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
Beijing Coinnovat Ctr Elect Vehicles Lecturer, Beijing, Peoples R China
Wayne State Univ, Div Engn Technol, Detroit, MI USABeijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
Hong, Jichao
Wang, Zhenpo
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Beijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
Beijing Coinnovat Ctr Elect Vehicles Lecturer, Beijing, Peoples R ChinaBeijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
Wang, Zhenpo
Chen, Wen
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Wayne State Univ, Div Engn Technol, Detroit, MI USABeijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
Chen, Wen
Wang, Leyi
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Wayne State Univ, Dept Elect & Comp Engn, Detroit, MI 48202 USABeijing Inst Technol, Natl Engn Lab Elect Vehicles, Beijing 100081, Peoples R China
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Nanjing Inst Technol, Sch Energy & Power Engn, Nanjing 211167, Peoples R ChinaNanjing Inst Technol, Sch Energy & Power Engn, Nanjing 211167, Peoples R China
Wang, Xiang
Jiang, Han
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Nanjing Inst Technol, Sch Elect Engn, Nanjing 211167, Peoples R ChinaNanjing Inst Technol, Sch Energy & Power Engn, Nanjing 211167, Peoples R China
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China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R China
Si, Lei
Wang, Zhongbin
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China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R China
China Univ Min & Technol, Jiangsu Key Lab Mine Mech & Elect Equipment, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R China
Wang, Zhongbin
Liu, Xinhua
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China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R China
Liu, Xinhua
Tan, Chao
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China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Jiangsu, Peoples R China