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German Wind Power Project Delivers ABB's Largest Power Transmission Order

German Wind Power Project Delivers ABB's Largest Power Transmission Order

ABB reports that it has won an order worth around $700 million from the German transmission grid operator, Transpower, to supply an 800-megawatt (MW) power link to connect more offshore wind farms to the mainland German grid.

ABB will deploy its HVDC Light (high-voltage direct current) transmission technology to transmit power from the 400 MW Borkum West II wind farm and other wind farms to be developed nearby. The wind farms will be connected to an offshore HVDC converter station which will transmit electricity to the onshore HVDC station at Dorpen, on the northwest coast of Germany via 165 km of underwater and underground DC cables. The Dorpen/West converter station will in turn feed AC power to the mainland grid.

According to ABB, this is the largest power transmission order in the company's history. And at 320-kilovolts, this project also marks the highest voltage level of extruded cable ever used for HVDC.

ABB will be responsible for system engineering, including design, supply and installation of the offshore platform, the offshore and onshore converter stations, and will also supply and install the sea and land cable systems.

Environmentally positive attributes of HVDC that led to its selection for this project include: neutral electromagnetic fields, oil-free cables and compact converter stations.

Scheduled to be operational in 2013, this network of offshore wind farms is expected to avoid three million tons of carbon dioxide emissions per year by replacing fossil-fuel based generation. Germany currently meets about 8 percent of its electricity requirements with wind power and expects to double that by 2020.

This is the second HVDC Light offshore wind connection supplied by ABB in Germany, the first being the BorWin1 project, reportedly the most remote offshore wind farm in the world.

See other Design News coverage of ABB and wind power:

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