The transmission grid operator 50Hertz has awarded Siemens Energy and Dragados Offshore a major contract for the structuring and construction of an advanced conversion system in the North Sea.
The North Sea converter system project
This project includes both a converter for the North Sea LanWin3 grid connection project and an onshore converter. The EPCI(Engineering, Procurement, Construction, and Installation) agreement covers all engineering, component procurement, construction, transportation andinstallation services for both the offshore and onshore systems.
Each of the converter’s high-tech components will be produced exclusively in European plants. The platform will be assembled at Dragados Offshore’s shipyard in southern Spain. These converters will follow the 2 GW standard, as agreed by the transmission system operators TenneT, Amprion and 50Hertz. The total value of the contract amounts to approximately €2.9 billion, although no further details about the deal have been disclosed.
The LanWin3 grid connection system will connect a North Sea offshore wind farm to the European mainland. BP has acquired the wind farm site, which has a designated capacity of 2,000 MW and is located about 120 kilometers northwest of Helgoland in the German Exclusive Economic Zone, at auction.
In addition, a maritime and maritime and overland cable of more than 200 kilometers to the connection point in the Heide region in northern Friesland. In addition, the LanWin3(50Hertz) and LanWin2(TenneT) systems will be integrated with NordOstLink, a new high-voltage direct current(HVDC) transmission line to be built in the direction of Mecklenburg-Western Pomerania. The onshore converter near Schwerin will transform direct current into alternating current, enabling the transport of large amounts of electricity with low losses thanks to a voltage level of 525 kV.
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Source and photo: 50hertz
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