NDLI: Classification of different types of partial discharge based on acoustic emission techniques

Content Provider	IEEE Xplore Digital Library
Author	Ziyun Li Yancheng Li Jinyang Du Junguo Gao Xiaohong Zhang Tong Liu Guoli Wang Ruihai Li Zhihong Liu Jianying Wang
Copyright Year	2013
Description	Author affiliation: EHV Power Transm. Co. Guangzhou Branch, China Southern Power Grid, Guangzhou, China (Jianying Wang) \|\| Electr. Power Res. Inst., China Southern Power Grid, Guangzhou, China (Tong Liu; Guoli Wang; Ruihai Li; Zhihong Liu) \|\| Key Lab. of Eng. Dielectr. & Its Applic., Harbin Univ. of Sci. & Technol., Harbin, China (Ziyun Li; Yancheng Li; Jinyang Du; Junguo Gao; Xiaohong Zhang)
Abstract	The major cause of failure of high voltage apparatuses is the presence of partial discharge in insulation structure. Different types of partial discharge existed in power apparatus, which will lead to breakdown of insulation. The purpose of the research work presented in this paper constitutes the issue of effective and efficient recognition of different types of partial discharges. First, partial discharge activity under AC is studied using acoustic emission technique. The wavelet technology is used to analyze acoustic signal caused by PD. Then a hybrid model which combined wavelet transform with wavelet network is proposed to classify and characteristic different types of signals. By using this method the surface, plane-plane, pin-plane, and floating discharge signal is classified effectively. Finally, to demonstrate the effectiveness of the proposed classified method, this study investigates its identification ability using 150 sets of acoustic signals generated by the PD model in insulation oil. The experiment results show that the proposed method is efficient and reliable.
Sponsorship	IEEE Harbin Sect.
Starting Page	1118
Ending Page	1121
File Size	1216120
Page Count	4
File Format	PDF
e-ISBN	9781479913923
DOI	10.1109/MIC.2013.6758155
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Partial discharges Resistors Insulation Wavelet transform Wavelet network Acoustics Discharges (electric) PD recognition Cotton Acoustic detection Power transformer insulation
Content Type	Text
Resource Type	Article

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