Research and Application On Power Grid Contamination Flashover Pre-warning Technology

被引：0
|
作者：
Gao, Song [1 ]
Zhou, Zhicheng [1 ]
Jiang, Haibo [2 ]
Wang, Liming [3 ]
机构：
[1] Jiangsu Elect Power Co, Res Inst, Nanjing, Jiangsu, Peoples R China
[2] Jiangsu Elect Power Co, Nanjing, Jiangsu, Peoples R China
[3] Tsinghua Univ, Grad Sch Shenzhen, Beijing, Peoples R China
来源：
2014 CHINA INTERNATIONAL CONFERENCE ON ELECTRICITY DISTRIBUTION (CICED) | 2014年
关键词：
Contamination pre-warning system; Flashover voltage forecast; Power distribution reliability; Climate forecast; Leakage current;
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 thesis presents the contamination flashover voltage forecast model with the maximum leakage current, ambient temperature, humidity and other multi parameters on the basis of the research conclusion on insulator string contamination characteristics, so as to realize the online monitoring and evaluation on the contamination condition of the power grid. It comprehensively takes the calculation results of 50% contamination flashover probability and the future climate change trend factors into account to establish the power grid contamination pre-warning system, which has been applied to several power transmission channels in Jiangsu power grid and has successfully warned against the potential danger of 500kV No.5298 Line contamination flashover and achieved the excellent effect.
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页数：6
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