ABB installs voltage converter for North Sea offshore wind farms

Power and automation technology group ABB installed a high-voltage offshore converter station in the North Sea. Alternating current electricity generated in three wind farms off the coast of Germany will be converted on the platform into high-voltage direct current (HVDC) for transmission to the mainland.

The 320 kV converter station has an 800 MW power transmission capacity.

In a three-day operation, the 10,250-ton platform (topside) including the converter station was transported offshore by barge around 45 miles off the German coast. It was then lifted by semi-submersible crane vessel Thialf and positioned on top of the already installed jacket. 

ABB was awarded the turnkey responsibility for system engineering, design, supply and installation of the offshore wind connection by TenneT, a European transmission system operator. The project scope includes the offshore converter station, the sea and land cable systems, and the onshore converter station.


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