HVDC Troll

The HVDC Troll is a bipolar high-voltage direct current (HVDC) electric power transmission line for the supply of the gas compressor station on the offshore construction work Troll A platform. It consists of dual set of a 68-kilometre (42 mi) long bipolar submarine cable designed for ±60 kV between the inverter at the Troll A platform and the static rectifier station at Kollsnes in Norway. The HVDC Troll has a maximum transmission rate of 84 megawatt.

HVDC Troll
Map of HVDC Troll
Location
CountryNorway
Coordinates60°33′01″N 4°50′26″E
60°40′00″N 3°40′00″E
FromKollsnes Static Inverter Plant
Passes throughNorth Sea
ToTroll A platform
Ownership information
OwnerEquinor
Construction information
Manufacturer of conductor/cableABB
Expected2015 (3rd and 4th line)
Commissioned2005 (1st and 2nd line)
Technical information
TypeSubmarine power cable
Type of currentHVDC
Total length68 km (42 mi)
Power rating84 MW
184 MW (after 2015)
AC voltage132 kV (Kollsnes)
56 kV (Troll)
DC voltage±60 kV
No. of poles2
No. of circuits2

In 2013 work started on a new rectifier station at Kollsnes for supplying the two new compressors being installed on Troll A.

Sites

SiteCoordinates
Kollsnes Static Inverter Plant60°33′01″N 4°50′26″E
Offshore platform Troll A60°40′00″N 3°40′00″E

See also

References

Working Group on HVDC and FACTS Bibliography and Records (2008-07-07). "HVDC PROJECTS LISTING" (PDF). IEEE Transmission and Distribution Committee. Archived from the original (PDF) on 2008-12-15. Retrieved 2008-12-19.


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