摘要
介绍了直埋电(光)缆线路防雷击的方法和标准,分析了雷电对直埋电缆危害大的原因、雷击时的现象和特征及雷电的规律,以便及时采取有效的防雷措施,确保电(光)缆通信线路畅通。
The lightning prevention methods and standards for direct-buried cable links are presented. The causes of lightning damaging direct-buried cable, the lightning behavior and features, and the lightning regularity are analyzed, so as to take effective lightning prevention measures to ensure the normal transmission of the cable links.
出处
《光纤与电缆及其应用技术》
2006年第1期40-43,共4页
Optical Fiber & Electric Cable and Their Applications
关键词
消弧线
尖端放电
土壤电阻率
金属护层
arc extinction wire
point discharge
soil resistivity
metal sheath
