HVDC DolWin2 is a

high voltage direct current A high-voltage direct current (HVDC) electric power transmission system uses direct current (DC) for electric power transmission, in contrast with the more common alternating current (AC) transmission systems. Most HVDC links use voltages betwe ...

(HVDC) link to transmit

offshore wind power Offshore wind power or offshore wind energy is the generation of electricity through wind farms in bodies of water, usually at sea. There are higher wind speeds offshore than on land, so offshore farms generate more electricity per amount of ca ...

to the

power grid ''Power Grid'' is the English-language version of the second edition of the multiplayer German-style board game ''Funkenschlag'', designed by Friedemann Friese and first released in 2004. ''Power Grid'' was released by Rio Grande Games. I ...

of the German mainland. The project differs from most HVDC systems in that one of the two

converter stations Converter may refer to: Electromagnetics *Frequency converter *Voltage converter, another name for **Electromagnetic transformer **Switched-mode power supply **DC-to-DC converter **Power inverter (DC to AC) ***Solar inverter Electronics *Digita ...

is built on a platform in the sea. Voltage-Sourced Converters with DC ratings of 900 MW, ±320 kV are used and the total cable length is 135 km. The project is similar to the

HVDC DolWin1 HVDC DolWin1 is a high voltage direct current link built to transmit offshore wind power to the power grid of the German mainland. The project differs from most HVDC systems in that one of the two converter stations is built on a platform in the se ...

project but has a slightly higher power rating and uses a different design of offshore platform. The platform was designed by Norwegian company

Aibel Aibel AS is a service company within the oil, gas and offshore wind industries. The company provides engineering, construction, modifications and maintenance through a project's life cycle. About Aibel Aibel has more than 4000 employees wh ...

and built by Drydocks World in

Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...

and transported to Europe in the summer of 2014 to be fitted out at the Aibel yard in

Haugesund Haugesund () is a municipalities of Norway, municipality and List of towns and cities in Norway, town on the North Sea in Rogaland county, Norway. As of December 2023, the municipality of Haugesund has a population of 37,855. The vast majority of ...

in Norway. The platform, which is of a floating, self-installing design not previously used in an HVDC project, sailed out from Haugesund on 1 August 2015 and was installed in the North Sea ten days later.ABB installs world's most powerful offshore converter platform in the North Sea

ABB ABB Group is a Swedish-Swiss multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd., and headquartered in Zurich, it is dual-listed on the Nasdaq Nordic exchange in Stockholm, Sweden, and the SIX Swiss Excha ...

10 August 2015 The overall project was built by

and was handed over to its owner,

TenneT TenneT is a transmission system operator in the Netherlands and in a large part of Germany. ''TenneT B.V.'' is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem. Controlled and owned by the Dutch ...

, in 2017.

Connected wind farms

* Gode Wind I (330 MW) * Gode Wind II (252 MW) * Nordsee One (332 MW)

References

{{Reflist, 2

External links

Description of project
on

website (in German).
Dolwin2

website.
ABB installs Dolwin beta - world's most powerful offshore converter platform in the North Sea
YouTube video. ABB Electric power transmission systems in Germany Energy infrastructure completed in 2017 HVDC transmission lines Wind power in Germany 2017 establishments in Germany

Connected wind farms

See also

References

External links