Experimental study of lightning-induced voltage on an overhead wire over lossy ground

被引：33
|
作者：
Ishii, M
Michishita, K
Hongo, Y
机构：
[1] Univ Tokyo, Inst Ind Sci, Tokyo 1068558, Japan
[2] Shizuoka Univ, Dept Elect & Elect Engn, Hamamatsu, Shizuoka 4328561, Japan
[3] Tohoku Elect Power Co Inc, Elect Technol R&D Ctr, Sendai, Miyagi 9810952, Japan
来源：
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 1999年 / 41卷 / 01期
关键词：
electromagnetic transients; lightning; overhead distribution lines; surges;
D O I：
10.1109/15.748135
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：
Experiments on the lightning-induced voltage on an overhead wire with a simulated lightning channel and a 1/20 reduced-scale model have been carried out on a lossy ground. This method is quite useful in testing various coupling models as repeated measurement along with a simple simulated lightning channel is possible. The electrical characteristics of the ground, indispensable in the calculation of the induced voltage over lossy ground, are evaluated through the comparison of the measured and the calculated horizontal electric field waveforms. The coupling model adopted in the numerical calculation of the induced voltage, including the terminations of a finite line, is verified by the good agreement of the measured and the calculated voltage waveforms. This result also verifies the usefulness of the measurement of the horizontal electric field waveform in assessing the ground conductivity in the frequency range of interest.
引用
收藏
页码：39 / 45
页数：7
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