| Simulation Propagation of Partial Discharge UHF Signals in Transformer |
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| 作者姓名： | MENG Yan-hui TANG Ju XU Zhong-rong ZHANG Xiao-xing HU Jing-jing |
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| 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 |
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| 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.
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| 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 |
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| 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. |
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| Authors: | MENG Yan-hui TANG Ju XU Zhong-rong ZHANG Xiao-xing HU Jing-jing |
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| Institution: | Key Laboratory of High Voltage Engineering and Electrical New Technology, Ministry of Education, Electrical Engineering College of Chongqing University, Chongqing 400030 ,China |
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| 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. |
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| Keywords: | transformer partial discharge ultra high frequency finite difference time domain |
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