直击雷对光缆及电缆的危害

北京邮电大学学报

• 学术论文 • 下一篇

直击雷对光缆及电缆的危害

北京邮电大学电信工程学院 , 北京 100876

基金资助:
国家自然科学基金资助项目 ( 50237040)

The Harmful Effects on Optical Cable and Wire Cable from Direct-Stroke Lightning

Telecommunication Engineering School, Beijing University of Posts and Telecommunications, Beijing 100876, China

Supported by:

摘要/Abstract

摘要： 介绍了计算直击雷对光缆及电缆危害的方法 ,给出了足以击穿电缆金属护套与心线间绝缘的最小雷电流的计算公式 . 给出了防雷线防雷效果的计算公式.

关键词: 电磁理论, 直击雷 , 感应电压, 极化面偏转 , 防雷线

Abstract: The harmful effects on optical cable and wire cable, caused by direct stroke lightning is described. It deals with the method for calculating these effects. Gives the formula of determing the minium lightning current to make breakdown of the insulation between the cable metallic sheath and the wire core. Finally it gives also the formula for calculating the protection effectiveness of lighting protection wire.

Key words: electromagnetic theory, direct-stroke lightning, induced voltage, polarization plane rotation, lightning-protection wire

中图分类号:

O441

高攸纲 . 直击雷对光缆及电缆的危害[J]. 北京邮电大学学报.

GAO You-gang . The Harmful Effects on Optical Cable and Wire Cable from Direct-Stroke Lightning[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM.