Siemens wins order for first HVDC link between Britain and Denmark

• 4 years ago (2019-08-27)
• David Flin

Europe 1061 Transmission 181

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Siemens has been awarded a contract to deliver two converter stations for the first high-voltage direct-current (HVDC) link between Great Britain and Denmark. Viking Link will enable the exchange of up to 1400MW to provide increased power supply reliability and security to both countries.

The interconnector is being jointly developed by National Grid Ventures (Great Britain) and Energinet (Denmark) via National Grid Viking Link Ltd and Energinet Eltransmission A/S. Viking Link is scheduled to begin commercial operation at the end of 2023.

The order comprises a 1400MW converter system for DC voltage of ± 525kV using HVDC Plus technology. The two converter stations – one in Bicker Fen in Lincolnshire, Britain, the other in Revising in southern Jutland (Denmark) – will be linked by a 767km long DC power cable passing through the North Sea. Viking Link will be one of the world’s longest DC electricity interconnectors. Siemens will be responsible for the overall system design, supply, installation, and commissioning of the converter stations.

Both converter stations will use HVDC Plus voltage-sourced converters in a modular multilevel converter arrangement (VSC-MMC) that combine the advantages of HVDC transmission with extra benefits like AC voltage control, black-start capability, and other functions that improve the performance and network stability of both connected AC networks.