A Study of Waveform Recovery in Space Charge Test of PET by PEA Method

被引：0
|
作者：
Tu, Youping [1 ,2 ]
Wang, Shaohe [1 ,2 ]
Chen, Jingjing [1 ,2 ]
Zhang, Fuzeng [3 ]
Liao, Yifan [3 ]
机构：
[1] North China Elect Power Univ, Beijing Key Lab High Voltage, Beijing 102206, Peoples R China
[2] North China Elect Power Univ, EMC, Beijing 102206, Peoples R China
[3] China Southern Power Grid Co Ltd, Elect Power Res Inst, Guangzhou 510080, Peoples R China
来源：
2014 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2014年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In space charge test by using PEA method, acoustic dispersion and attenuation are unavoidable when sound travel in media. In order to reveal real information of space charge in the dielectric, original measured signal is need to be recovered. In this paper, acoustic propagation characteristics in PET was studied, and transfer function was established based on attenuation factors; by using deconvolution calculation, high order transfer function was exploited to restore space charge waveform; in consideration of that acoustic propagation and hardware performance are affected by temperature variation, PET samples were tested by PEA under different temperature, and a space charge waveform recovery method with temperature factor, which is suitable for PET material study is put forward.
引用
收藏
页码：630 / 633
页数：4
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