Influences of Moisture Content on Surface Partial Discharge Behaviors of Oil-impregnated Paper Insulation under Pulsating DC Voltage

被引：0
|
作者：
Bao, Lianwei [1 ,2 ]
Li, Jian [1 ]
Zhang, Jing [1 ]
Li, Xudong [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Equipment & Syst Secur & New, Chongqing 400044, Peoples R China
[2] China Southern Power Grid, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China
来源：
2016 IEEE INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION (ICHVE) | 2016年
基金：
中国国家自然科学基金;
关键词：
Oil-impregnated paper; partial discharge; moisture content; statistical feature parameters; distribution; pulsating DC voltage;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The oil-paper insulation in converter transformers is subjected to pulsating DC voltage, mainly consisting of AC and DC voltages. Surface partial discharges (PDs) occurred in converter transformer is significantly influenced by voltage type as well as moisture content in oil-impregnated paper insulation. The influence of moisture content on surface PD behaviors of oil-impregnated paper insulation is investigated at pulsating DC voltage in this work. Various changes of PD phase-resolved distributions, PD inception voltages and statistical feature parameters of PD at a range of moisture content will be presented. Experimental results make it clear that the moisture content shows a significant effect on the surface discharge behaviors of oil-impregnated paper insulation at pulsating DC voltage.
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页数：4
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