Calculation of Voltages Induced on Overhead Conductors by Nonvertical Lightning Channels

被引：0
|
作者：
Andreotti, Amedeo [1 ]
Petrarca, Carlo [1 ]
Rakov, Vladimir A. [2 ]
Verolino, Luigi [1 ]
机构：
[1] Univ Naples Federico II, Dept Elect Engn, I-80125 Naples, Italy
[2] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
来源：
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2012年 / 54卷 / 04期
基金：
美国国家科学基金会;
关键词：
Electromagnetic (EM) coupling; lightning-induced voltages; overhead lines; TORTUOSITY; RADIATION; STROKES; PATHS; LINE;
D O I：
10.1109/TEMC.2011.2174995
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：
Effects of lightning channel tortuosity and tilt on lightning electric fields and voltages induced on overhead conductors are examined. Overall inclination of the bottom few hundred meters of the lightning channel can appreciably change both the ground-level vertical electric field at distances less than 1 km or so and induced voltage peak relative to the vertical-channel assumption. Smaller-scale tortuosity is responsible for the fine structure of field and induced voltage waveforms. This fine structure can be pronounced at some hundreds of meters and beyond, but is insignificant at shorter ranges.
引用
收藏
页码：860 / 870
页数：11
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