Simulation of Surface Charge Effect on Impulse Flashover Characteristics of Outdoor Polymeric Insulators

被引：51
|
作者：
Kumara, Sarath [1 ]
Serdyuk, Yuriy V. [1 ]
Gubanski, Stanislaw M. [1 ]
机构：
[1] Chalmers Univ Technol, S-41296 Gothenburg, Sweden
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2010年 / 17卷 / 06期
关键词：
Surface charging; breakdown; streamer criterion; electrostatic field; polymeric insulator; impulse flashover voltage; BREAKDOWN; AIR;
D O I：
10.1109/TDEI.2010.5658226
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：
Effect of pre-deposited surface charges on impulse flashover characteristics of a polymeric insulator is studied by means of computer simulations utilizing a model based on criteria for streamer inception, propagation and sustenance. A parametric study is performed to investigate the influences imposed by magnitude and polarity of the charge, its location on insulator surface and properties of insulator material on its flashover voltages. The obtained results are analyzed in terms of electric field distributions in the vicinity of the insulator surface and are compared with experimental data available in the literature.
引用
收藏
页码：1754 / 1763
页数：10
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