特高压直流输电线路架线施工技术

Stringing Technology for UHVDC Transmission Lines

向家坝—上海±800kV特高压直流输电线路工程的鄂4标段具有:地形复杂、交叉跨越频繁;线路采用六分裂导线,导线比载大、牵引力和张力大等特点,使得架线施工困难重重。基于工程特点,文章总结了一牵六架线施工的关键技术,可为特高压工程建设提供参考。

The section 4 in Hubei province of the Xiangjiaba-Shanghai ±800 kV UHVDC transmission line is located in a region where the terrain conditions are very complex and crossovers are very frequent.6-bundled conductors were used and string construction in this region was very difficult due to the conductor’s large unit load,and large traction and tension forces.A summary is made in this paper of the key technologies for one-drag-six stringing construction,which can provide a reference for construction of UHV projects.