Time-domain dielectric response characteristics of XLPE cable insulation under different water content

被引：0
|
作者：
Zhao, Xuefeng [1 ]
Han, Jiarui [2 ]
Sun, Haofei [1 ]
Duan, Wei [1 ]
Chen, Xi [2 ]
Deng, Junbo [2 ]
机构：
[1] Elect Power Res Inst State Grid Shaanxi Elect Pow, Xian 710051, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 710049, Peoples R China
来源：
2019 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2019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：
The dampness problem of distribution cables is one of the most concerned issues for power companies. However, traditional power cable diagnostic methods such as voltage withstand tests cannot quantitatively determine the moisture content of cables. In recent years, polarization/depolarization current (PDC) method shows great advantages in moisture diagnosis [1]. Therefore, XLPE samples are prepared with different water contents and then measured them by PDC method in this paper. According to the PDC results, the extended Debye model was applied to extract the insulation characteristics parameters, including the value of steady conduction current, polarization time constant tau(i) and aging factor Q. The correlation between the factors above with water content was also analyzed to study the dielectric response of XLPE cable under different water content.
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收藏
页码：682 / 685
页数：4
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