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Galloper Wind Farm SVC


Galloper Wind Farm is an offshore wind farm located 27km off the Suffolk Coast (UK) in 27-36 meters water depth.

It has one offshore substation and one onshore substation located at Sizewell beach. Two buried subsea export cables of approximately 45Km each will bring the power generated from the offshore wind farm to the onshore substation that will connect to the National Grid.

The project was fully operational in march 2018 and has become one of the larger offshore windfarms in British waters generating enough power for up to 380,700 homes with 56 wind turbines generating up to 353MW.

Technical characteristics

SDCEM provided high current disconnector switches with universal smart drives responding to the technical challenge of operating in an extremely corrosive environment (salted atmosphere). Specific salt sprays in laboratory tests were performed to redesign SDCEM equipment and ensure their resistance to corrosion.

SDCEM also provided smart grid solutions: S-TORQUE. SDCEM real time torque monitoring solution is used for condition monitoring of disconnectors enabling optimized maintenance and improved safety. SDCEM scope of supply :

Key data

Location United Kingdom
Industry Transmission & Distribution (T&D)
Delivery date 2016
Rated voltage 52 kV
End-user INNOGY (RWE Renewable)
EPC GE Grid Solutions
Commissioning date 03/2018