浙江电力

2022, (04) 75-81

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悬链线方程在输电线路参数计算中的应用
Application of Catenary Equation in Calculation of Transmission Line Parameters

吴春晖,朱亦振,王晓
WU Chunhui,ZHU Yizhen,WANG Xiao

摘要(Abstract):

为了在架空输电线路巡检工作中实时、高效、准确地获取线路相关参数,根据实际测量需要,利用无人机配合悬链线方程拟合线路轨迹,设计了一套快速计算输电线路导线弧垂、杆塔档距以及交跨线路上交跨弧垂距离的系统。该系统提出了建立新的空间坐标系(从地理坐标系转换到伪墨卡托投影坐标系)来计算输电线路参数。计算结果表明,该系统准确性高,作业成本低,具有较高的工程应用价值。
In order to obtain line parameters instantaneously,efficiently and accurately during overhead transmission line patrol,line trajectories are fitted by catenary equation and UAV. This paper,out of the need of measurement,designs a system to quickly calculate the sag distance of conductors of transmission lines,span lengths of poles and towers,and the arc sag distance of cross-span on cross-span lines by using UAV with the catenary equation to fit the power line trajectory. The system innovatively proposes establishing a new spatial coordinate system(conversion from geographic to Web Mercator projection coordinate system)to calculate data in transmission lines. Calculation results show that the system has high accuracy,low operation cost,and high engineering application value.

关键词(KeyWords): 无人机;输电线路;悬链线;伪墨卡托投影坐标系
UAV;transmission lines;catenary;Web Mercator projection coordinate system

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作者(Author): 吴春晖,朱亦振,王晓
WU Chunhui,ZHU Yizhen,WANG Xiao

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