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Simulation Propagation of Partial Discharge UHF Signals in Transformer
作者姓名:MENG Yan-hui  TANG Ju  XU Zhong-rong  ZHANG Xiao-xing  HU Jing-jing
作者单位:Key Laboratory of High Voltage Engineering and Electrical New Technology, Ministry of Education, Electrical Engineering College of Chongqing University, Chongqing 400030 ,China
摘    要:Many factors affect the propagation of ultra high frequency(UHF) signals caused by partial discharge(PD) on the waveforms and energy of signals in transformer.To investigate the relationshi Pof factors and UHF signals,simulation model of transformer for PD study are established.UHF signals in simulation model of transformer caused by PD are calculated using finite difference time domain method.By means of amplitude and cumulative energy plot of simulation signals,and combing the measured result,the following factors:distance between PD source and detection position,different metallic conductor position around detection position and iron core and winding are researched,which contribute to comprehend the propagation characteristic of UHF signals and detect UHF signals accurately.

关 键 词:transformer  partial  discharge  ultra  high  frequency    finite  difference  time  domain
修稿时间:2006/12/16 0:00:00

Simulation Propagation of Partial Discharge UHF Signals in Transformer
MENG Yan-hui,TANG Ju,XU Zhong-rong,ZHANG Xiao-xing,HU Jing-jing.Simulation Propagation of Partial Discharge UHF Signals in Transformer[J].Storage & Process,2007(5):70-74.
Authors:MENG Yan-hui  TANG Ju  XU Zhong-rong  ZHANG Xiao-xing  HU Jing-jing
Institution:Key Laboratory of High Voltage Engineering and Electrical New Technology, Ministry of Education, Electrical Engineering College of Chongqing University, Chongqing 400030 ,China
Abstract:Many factors affect the propagation of ultra high frequency(UHF) signals caused by partial discharge(PD) on the waveforms and energy of signals in transformer.To investigate the relationshi Pof factors and UHF signals,simulation model of transformer for PD study are established.UHF signals in simulation model of transformer caused by PD are calculated using finite difference time domain method.By means of amplitude and cumulative energy plot of simulation signals,and combing the measured result,the following factors:distance between PD source and detection position,different metallic conductor position around detection position and iron core and winding are researched,which contribute to comprehend the propagation characteristic of UHF signals and detect UHF signals accurately.
Keywords:transformer  partial discharge  ultra high frequency  finite difference time domain
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