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IFA2 HVDC transmission link

Hitachi ABB Power Grids enables the interconnection of power networks in France and the UK

The UK grid operator National Grid and Réseau de Transport d'Electricité (RTE), the French network owner and operator, have awarded Hitachi ABB Power Grids a contract to provide key HVDC (high voltage direct current) technology that will help interconnect the electricity networks of France and the UK.

Hitachi ABB Power Grids participates in the interconnection project which further integrates the English and French electricity markets. With a capacity of 1000 megawatts, the link will run from Chilling, Hampshire, on the southern coast of England to Tourbe in northern France, covering a distance of 240 kilometers across the English Channel.

Hitachi ABB Power Grids provides the two high-voltage direct current HVDC Light® converter stations, to be located in France and England, which will be linked with a subsea cable. Each station converts alternating current electricity into direct current, and then back again before distribution. This enables the efficient and reliable transmission of large amounts of electricity over long distances, with minimum losses – the key advantage of HVDC technology. Hitachi ABB Power Grids' HVDC Light® technology also incorporates advanced features such as regulating grid fluctuations and power restoration in the event of an outage. These features provide economic benefits for the network operator and reliable electricity supply to the end users.

The converter stations will be equipped with Hitachi ABB Power Grids' advanced MACHTM control and protection system. MACH acts like the brain of the HVDC link - monitoring, controlling and protecting the sophisticated technology in the station, managing thousands of operations to ensure the reliability of power supplies. Incorporating advanced fault registration and remote control functions, it also helps protect the link from unexpected disruptions, such as lightning strikes. 


Main data

Commissioning year: 2020
Power rating: 1000 MW
No. of poles: 1
AC voltage: 400 kV
DC voltage: ±320 kV
Application: Interconnecting grids
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