HVDC Light transmission link will connect North Sea wind farms to German power grid
Zurich, Switzerland, Aug. 2 2011 – ABB, the leading power and automation technology group, has won an order worth around $1 billion from the Dutch-German transmission grid operator TenneT to supply a power link connecting offshore North Sea wind farms to the German mainland grid.
This is the largest power transmission order in ABB’s history. It will deploy the world’s largest offshore HVDC (high-voltage direct current) system with a rating of over 900 megawatts (MW), keeping electrical losses to less than 1 percent per converter station. The completed link will be capable of supplying more than 1.5 million households with clean wind-generated electricity.
ABB will design, engineer, supply and install the offshore platform, the offshore and onshore converter stations and the land and sea cable systems. ABB’s innovative and environmentally friendly HVDC Light transmission technology will transport power from the 400 MW Gode Wind II and other wind farms to an offshore HVDC converter station, which will transmit the electricity to the onshore HVDC station at Dörpen on the German coast via 135 kilometers of underwater and underground cables. A converter station here will feed electricity into the mainland grid.
“Offshore wind power is emerging as a major source of large-scale renewable energy in Europe to help meet emission targets and lower environmental impact,” said Peter Leupp, head of ABB’s Power Systems division. ”ABB is uniquely positioned with in-house manufacturing capability of converter stations, cables and semiconductors, the essential components of HVDC systems, and has invested significantly in these technologies.”
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