An Improved Failure Model of Oil-Paper Insulation at Pulsating DC Voltages

被引：0
|
作者：
Wang, Yan [1 ]
Li, Jian [1 ]
Bao, Lianwei [1 ]
Sun, Peng [1 ]
Xiang, Chenmeng [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Sch Elect Engn, Chongqing, Peoples R China
来源：
2013 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP) | 2013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：
This paper presented the improved failure model by experimental and analysis results on electrical breakdown characteristics of oil-paper insulation at pulsating DC voltages. The time-to-breakdown of oil-paper specimens were measured by using constant-stress tests. The improved failure model was established and calculated by the parameters of Weibull model and the improved competing risk algorithm. It optimizes the faults of traditional two-parameter Weibull distribution when both time and voltage are considered as variables in estimating the lifetime of oil-impregnated paper.
引用
收藏
页码：176 / 179
页数：4
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