The HelWin Beta platform topside.
HVDC HelWin2 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 built 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 690 MW, ±320 kV are used and the total cable length is 130 km. The project was built by the
Siemens
Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad.
The principal divisions of the corporation are ''Industry'', '' ...
/
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 ...
consortium with the offshore platform built by
Heerema
Heerema Marine Contractors (HMC) is a contractor headquartered in the Netherlands most notable for operation of three of the largest crane vessels in the offshore industry.
History
Heerema Marine Contractors was formed in 1948 by Pieter Schelte ...
in
Zwijndrecht, Netherlands
Zwijndrecht () is a town and municipality in the western Netherlands. It is located in the province of South Holland, at the southern tip of the island of IJsselmonde, and at the confluence of the rivers Oude Maas, Beneden-Merwede, and Noord.
...
. The topside measures 98 m x 42 m x 28 m and weighs 10200 tonnes. The project was handed over to its owner,
TenneT, in June 2015, the fourth such project to be completed in 2015.
TenneT Takes Over HelWin2
OffshoreWind.biz, 22 June 2015.
See also
*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 curre ...
* Offshore wind power
* HVDC BorWin1
*HVDC BorWin2
HVDC BorWin2 is a high voltage direct current (HVDC) link built to transmit offshore wind power to the power grid of the German mainland.Hussennether, V., Rittiger, J., Barth, A., Worthington, D., Dell’Anna, G., Rapetti, M., Hühnerbein, B., Sie ...
* HVDC BorWin3
* HVDC DolWin1
*HVDC DolWin2
HVDC DolWin2 is a high voltage direct current (HVDC) link 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 ...
* HVDC DolWin3
* HVDC HelWin1
*HVDC SylWin1
HVDC SylWin1 is a high voltage direct current (HVDC) link 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 th ...
References
External links
Description of project
on TenneT website (in German).
Factsheet – HelWin2 HVDC Platform
HelWin 2 HVDC system
CIGRÉ Compendium of all HVDC Projects.
Electric power transmission systems in Germany
Electrical interconnectors in the North Sea
HVDC transmission lines
Wind power in Germany
2015 establishments in Germany
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