An integrated backflashover model for insulation coordination of overhead transmission lines

被引：3
|
作者：
Meliopoulos, APS
Adams, W
Casey, R
机构：
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 1997年 / 19卷 / 04期
关键词：
backflashover; line grounding; Monte Carlo simulation; lightning outages;
D O I：
10.1016/S0142-0615(96)00044-0
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 lightning performance of overhead transmission lines is measured with the probability of backflashover. This probability is affected by (a) tower type, (b) grounding arrangement, (c) soil resistivity and (d) lightning activity and lightning parameters of the area. This paper presents an integrated model of the transmission towers, tower grounding and overhead line conductors. The model is utilized in a Monte Carlo simulation for the purpose of predicting the lightning performance of a transmission line. This paper presents the models and the simulation method. Typical results for typical transmission towers and grounding arrangements are provided. The model reveals that the grounding arrangement as well as the surge impedance of the transmission tower are important parameters affecting line performance. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：229 / 234
页数：6
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