Electric field computation on an insulating surface with discrete water droplets

被引：28
|
作者：
ElKishky, H
Gorur, RS
机构：
[1] Department of Electrical Engineering, Arizona State University, Tempe, AZ
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 1996年 / 3卷 / 03期
关键词：
Computational methods - Electric discharges - Electric fields - Electric insulation - Flashover - Mathematical models - Moisture - Surfaces;
D O I：
10.1109/94.506220
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：
Knowledge of the electric field along the external surface is a fundamental requirement for reliable assessment of electric discharge produced surface changes, degradation and flashover of outdoor insulation, Presented in this paper is a method of electric field computation on an insulating surface in the presence of discrete water droplets. The computational method is based on the charge simulation technique. The electric field intensification produced by water droplets is calculated and correlated with electric discharge activity that occurs on outdoor insulators under contaminated conditions. The results are useful for analyzing the performance of outdoor insulating devices, especially non-ceramic insulators, under contaminated conditions.
引用
收藏
页码：450 / 456
页数：7
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