HVDC DolWin3 is a

high voltage direct current A high-voltage direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current (DC) for electric power transmission, in contrast with the more common alternating curren ...

(HVDC) link to transmit Offshore wind power to the

power grid An electrical grid is an interconnected network for electricity delivery from producers to consumers. Electrical grids vary in size and can cover whole countries or continents. It consists of:Kaplan, S. M. (2009). Smart Grid. Electrical Power ...

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 sea. Voltage-Sourced Converters with DC ratings of 900 MW, ±320 kV are used and the total cable length is 160 km. The overall project is being built by

Alstom Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia ...

with the cables supplied by

Prysmian Prysmian S.p.A. is an Italian company with headquarters in Milan, specialising in the production of electrical cable for use in the energy and telecom sectors and for optical fibres. Prysmian is present in North America with 23 plants, 48 in Eur ...

and offshore platform by

Nordic Yards Nordic most commonly refers to: * Nordic countries, written in plural as Nordics, the northwestern European countries, including Scandinavia, Fennoscandia and the North Atlantic * Scandinavia, a cultural, historical and ethno-linguistic region in ...

. Construction commenced on the onshore converter station at Dörpen West in May 2014 and on the offshore platform in October 2014. As of summer 2015 the platform was being fitted out and the first converter transformer was installed on 17 July 2015. The project was handed over to its owner, TenneT, in 2017. The grid connection is in operation since September 2018. A fund managed by

Copenhagen Infrastructure Partners Copenhagen Infrastructure Partners P/S ("CIP") is an investment firm specializing in infrastructure investments, particularly wind power Wind power or wind energy is mostly the use of wind turbines to generate electricity. Wind power is a ...

has invested in this offshore transmission platform.

References

External links

Description of project
on TenneT website (in German).
Dolwin3
,

website. Alstom Electric power transmission systems in Germany Energy infrastructure completed in 2017 HVDC transmission lines Wind power in Germany 2017 establishments in Germany {{powerline-stub

See also

References

External links