HVDC power transmission link upgrade

ABB has won an order from Baltic Cable, a subsidiary of Norway based Statkraft, one of Europe’s leading renewable energy generators, to upgrade the Baltic Cable HVDC transmission link. This link runs beneath the Baltic Sea and interconnects the electricity grids of Germany and Sweden. As part of the modernisation project, the company will upgrade the control and protection system of the link, with its latest Ability Mach technology. The 250 km long, subsea transmission link, has a capacity of 600 MW and a voltage of 450 kV – the highest operating voltage in Germany. Built in 1994 to enhance the efficiency of power utilisation, the link takes advantage of the differing patterns of power generation and consumption in Sweden and Germany, pooling energy resources and facilitating the exchange of electricity. The upgraded control system acts like the brain of the HVDC link by monitoring, controlling and protecting the sophisticated technology in the converter stations. It incorporates advanced fault registration and remote control functions.

Contact  Shivani Chetram, ABB South Africa, Tel  010 202-5090, shivani.chetram@za.abb.com

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Source: EE plublishers

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