Impact of Moisture on Space Charge Characteristics in Natural Ester Oil-Impregnated Paper

被引：0
|
作者：
Yoon, Hyungjin [1 ]
Chen, George [1 ]
机构：
[1] Univ Southampton, Tony Davies High Voltage Lab, Southampton, Hants, England
来源：
PROCEEDINGS OF THE 2020 3RD IEEE INTERNATIONAL CONFERENCE ON DIELECTRICS (ICD 2020) | 2020年
关键词：
D O I：
10.1109/ICD46958.2020.9341869
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 space charge measurement was conducted on the mineral oil-paper and natural ester oil-paper with different moisture contents. With increasing the moisture content, more positive charges deeply penetrated into two kinds of oil-papers. The rate of negative charge injection in the natural ester oil-paper was always faster than that in the mineral oil-paper. The electric field distortion factor illustrated that the electrical performance of the mineral oil-paper is always better than that of the natural ester oil-paper regarding different moisture contents. After applied voltage was removed, the stronger electric field and higher moisture content were closely related to the rapid charge dissipation in the mineral oil-paper, but space charges in the natural ester oil-paper dissipated quickly regardless of the electric field strength and moisture content.
引用
收藏
页码：427 / 430
页数：4
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