The Zhoushan Island Overhead Powerline Tie is a 220 kV three-phase AC interconnection of the power grid of
Zhoushan Island
Zhoushan Island is the principal and namesake island in the Zhoushan Islands, formerly romanized as the ChusanIslands, an archipelago administered by Zhoushan Prefecture in Zhejiang Province in the People's Republic of China. It is the provinc ...
with that of the Chinese mainland. It runs over several islands and consists of several long distance spans, the longest with a length of south of Damao Island. This span uses two pylons, which were the highest electricity pylons in the world, until 500kV line to Zhoushan from mainland was completed. The north tower on Damao Island (, ') was completed in 2009, and the south tower on Liangmao Island (, ') was completed in 2010. These pylons resemble those of the
Messina Strait
The Strait of Messina ( it, Stretto di Messina, Sicilian: Strittu di Missina) is a narrow strait between the eastern tip of Sicily ( Punta del Faro) and the western tip of Calabria ( Punta Pezzo) in Southern Italy. It connects the Tyrrhenian S ...
, but are steel-tube lattice structures.
Coordinates
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See also
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Lattice tower
A lattice tower or truss tower is a freestanding vertical framework tower. This construction is widely used in transmission towers carrying high voltage electric power lines, in radio masts and towers (a self-radiating tower or as a support for ...
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List of tallest freestanding structures in the world
This is a list of tallest freestanding structures in the world past and present. To be freestanding a structure must not be supported by guy wires, the sea or other types of support. It therefore does not include guyed masts, partially guyed t ...
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List of tallest freestanding steel structures
This is a list of tallest freestanding steel structures in the world past and present. To be a freestanding steel structure it must not be supported by guy wires, the list therefore does not include guyed masts and the main vertical and lateral str ...
External links
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SkyscraperPage Damao Island Span North Toweran
South Tower* http://www.imaginechina.com/showStoryDetail.ic?id=pau301776###
Towers completed in 2009
Towers completed in 2010
Powerline river crossings
Electric power infrastructure in China
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