输电线路孤立档平衡开断计算及施工  

Calculation and Construction of Balance Break of Isolation Stall

作　　者：陈永贵[1] 

机构地区：[1]安徽送变电工程有限公司,安徽合肥230601

出　　处：《安徽电力》2020年第2期39-42,共4页Anhui Electric Power

摘　　要：输电线路张力架线施工中,在耐张杆塔进行平衡开断紧挂线是一个比较成熟的施工技术,割线长度通过计算确定,划印后即可量取计算好的割线长度进行开断施工;但在孤立档进行平衡开断时,由于不能按一般耐张塔平衡开断计算公式进行开断尺寸计算,往往采取比划法进行开断施工,这样就会增加施工难度,费时、工效低。通过建立主、副坐标系,巧妙运用两坐标系之间的关系进行推导,运用公式计算平衡开断割线长度,为施工提供方便,同时对施工中需要注意的有关问题进行说明。In the construction of transmission line,it is a relatively mature technology to balance and break light lines on tension towers.The length is confirmed by calculating,we can measure the calculated length for the breaking construction after scratching.But balance breaking size calculation formula for the general tension tower can not fit the isolation stalls,so we tend to adopt the gesticulating for breaking construction,which would increase the difficulty of construction,and it’s time-consuming and low efficiency.Through the establishment of the main and secondary coordinate system,clever use of the relationship between the two coordinate system to derivation,the formula is used to calculate the length of the balance breaking line,which provides the convenience for construction and explains related issues that need to be pay attention during the construction.

关 键 词：输电线路 孤立档 主、副坐标系 开断 计算 施工 

分 类 号：TM75[电气工程—电力系统及自动化]