避雷线是指为了保护设备,避免雷击而安装的引雷入地的导线。也称防雷线。避雷线是铁质的,避雷针是铜质(也可以是银质的),避雷针顶端向天,避雷线连接避雷网埋地,避雷线连接避雷针,雷雨季节,雷电从天空由避雷针进入避雷线直至埋地的避雷网,是消除雷击保护建筑物或仪器的设施。
23 避雷线(lightning wire):避雷线用在35kV以上的高压输电线上,一般架设在电力线之上,在电杆处用引下线与接地装置连接引到大地中。
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... overhead crossing 架空线交叉,立体交叉 overhead ground wire 避雷线,架空地线 overhead junction (crossing) 架空线网并线器,架空线路线岔 ...
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This passage also points out that the way of enlarging ground wire's equivalent radius can reduce the rate of shielding failure and enhance the security and stability of the transmission lines.
本文提出增大避雷线的半径的方法,可以减少输电线路的绕击率,从而提高输电线路的安全、稳定性。
参考来源 - 山区输电线路电气几何模型及防雷措施的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
由于特殊原因,从1985年开始,跨江段失去了避雷线保护。
Because of special reason, from1985, across river section have lost lightning protection conductor.
文中还给出了考虑分流系数后GJ - 50型架空避雷线的适用距离。
The paper also gives the suitable distance of GJ - 50 overhead grounding wire considering the shunt factor.
提高避雷线保护的有效性可以通过减小避雷线—相导线间隙击穿概率来达到。
Effective shielding can be achieved by reducing the breakdown probability of the gap between shielding wire and phase conductor.
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