电路引用Classification of different types of partial discharge based on acoustic emmission techniques.pdfVIP

2013 2nd International Conference on Measurement, Information and Control Classification of Different Types of Partial Discharge Based on Acoustic Emission Techniques Ziyun LI, Yancheng LI*, Jinyang DU, Junguo GAO, 1 l l Tong LIU , Guoli WANG\ Ruihai LI , Zhihong LIU , Xiaohong Zhang Jianying W ANG2 Key Laboratory of Engineering Dielectric and Its 1. Electric Power Research Institute Application, Ministry of Education 2. EHV Power Transmission Company Guangzhou Branch Harbin University of Science and Technology Haikou Sub-Branch Harbin, CHINA China Southern Power Grid *liyancheng88@163.com Guangzhou, CHINA Abstract-The major cause of failure of high voltage acoustic signals, many techniques on signal analysis have been apparatuses is the presence of partial discharge in insulation used such as Fourier transform and wavelet transform (WT) structure. Different types of partial discharge existed in power [1,2]. apparatus, which will lead to breakdown of insulation. The purpose of the research work presented in this paper constitutes The aim of detecting partial discharge signal is to detect the issue of effective and efficient recog