The Ameralik Span is the longest
span
Span may refer to:
Science, technology and engineering
* Span (unit), the width of a human hand
* Span (engineering), a section between two intermediate supports
* Wingspan, the distance between the wingtips of a bird or aircraft
* Sorbitan ester ...
of an
electrical
Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by ...
overhead power line
An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. It consists of one or more uninsulated electrical cables (commonly multiples of three for three-p ...
in the world. It is situated near
Nuuk
Nuuk (; da, Nuuk, formerly ) is the capital and largest city of Greenland, a constituent country of the Kingdom of Denmark. Nuuk is the seat of government and the country's largest cultural and economic centre. The major cities from other co ...
on
Greenland
Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is t ...
and crosses Ameralik
Fjord
In physical geography, a fjord or fiord () is a long, narrow inlet with steep sides or cliffs, created by a glacier. Fjords exist on the coasts of Alaska, Antarctica, British Columbia, Chile, Denmark, Germany, Greenland, the Faroe Islands, Ice ...
with a span width of at . It was built in 1993 by the Norwegian company NTE Entreprise (
Nord-Trøndelag Elektrisitetsverk
Nord-Trøndelag Elektrisitetsverk or NTE is a power company serving Nord-Trøndelag in Norway and owned by Nord-Trøndelag county municipality. NTE is one of the largest producers of electricity in Norway, with an annual production of 3,4 TWh p ...
) and is part of a single-circuit 132 kV powerline running from
Buksefjord hydroelectric power plant
The Buksefjord hydroelectric power plant is the first and largest hydroelectric power plant in Greenland. It was built by Nuuk-Kraft and it is operated by Nukissiorfiit, Greenland's national energy company.
In 1984–85, Greenland's energy authori ...
to Nuuk.
The span consists of four steel conductors of 40 millimeters diameter whereby one is a spare conductor. The span has a width of 190 metres and a minimum clearance of 128 metres. The
pylons
Pylon may refer to:
Structures and boundaries
* Pylon (architecture), the gateway to the inner part of an Ancient Egyptian temple or Christian cathedral
* Pylon, a support tower structure for suspension bridges or highways
* Pylon, an orange mar ...
on each side of the span carry only one conductor each and are situated on mountains 444 metres high on the north and 1,013 metres at the south shore. It is designed to withstand the cold winters of Greenland, so electricity produced can reach consumers without any disturbance.
Friis PA & Rasmussen RO, "Denmark - Greenland and the Faeroe Islands - Greenland", ''Royal Danish Ministry of Foreign Affairs''
Sites
North End
* Tower 1:
* Tower 2:
* Tower 3:
* Tower 4:
South End
* Tower 1:
* Tower 2:
* Tower 3:
* Tower 4:
See also
* List of spans
The following is a list of spans, either used for overhead line crossings of rivers, sea straits or valleys, as antenna or for aerial tramways.
Powerline spans in flat areas with high pylons
At these spans the sag of the conductors is less t ...
References
* https://web.archive.org/web/20120222110711/http://www015.upp.so-net.ne.jp/overhead-TML/shurui.html#longspanmap
* http://overhead-tml.net/shurui.html#chu-1
Towers completed in 1993
Powerline river crossings
Electric power infrastructure in Greenland
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