天气预报 > 其他 > 接触网中的驰度是怎么定义的
接触网中的驰度是怎么定义的
更新时间: 2020-08-17 00:00:00  

弛度:电线的驰度也称弧垂,是架空线路的导线和避雷线在架设后的一种松弛下垂现象。导线两端的悬挂点在等高情况下,弧垂最低点即在档距中间,不等高挂线时弧垂最低点在挂线点低的一边。不等高的情况下:弧垂为架空导线两悬挂点连线中点的垂度。简单的说法就是线索最低点到悬挂点的垂直距离。

关键词: 接触网 怎么 定义

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