HEFEI, Nov. 16 (Xinhua) -- Chinese
workers in Hefei, capital of east China's Anhui Province, recently
completed a live-wire operation on a 1,100-kilovolt direct-current (DC)
transmission by stringing a basket from a helicopter.
operation was ordered after State Grid staff detected two dangerous
flaws on a tower along the Changji-Guquan transmission line.
helicopter first transported monitoring staff to the top of the tower.
Thereafter, the live-wire operation workers were transferred to the
designated spot on the helicopter-stringing basket. The operation lasted
about an hour.
by helicopter is currently a working method adopted by a few countries
for the maintenance and repair of the main power network. It is a quick
and highly efficient approach with great technical standards, said Wu
Weiguo in charge of the operation.
Changji-Guquan transmission line linking northwest China's Xinjiang
Uygur Autonomous Region and Anhui was put into operation in September
2019. It leads the world in terms of voltage level, transmission
capacity and distance. Enditem