General Information Converter/Collector Name DolWin2 Converter correct
Status Operational correct
Latitude 53.979 ° correct
Longitude 6.923 ° correct
Comments The DolWin2 project involves 135 km long DC link with a capacity of 900MW. The land route from the coast to the converter station is nearly 90km. A new onshore converter station at Dörpen West in Emsland will serve as the connection point. correct
Foundation Foundation Type Grounded: Gravity-Base correct
Foundation Weight correct
Foundation Comments A self installing platform. correct
Topside Topside Weight correct
Topside Dimensions (LxWxH) 100.1x74.1 m correct
Helideck Yes correct
Electrical Specifications Power 916 MW correct
DC Voltage Level 320 kV correct
AC Voltage Level 155 kV correct
Number of Transformers correct
Other Equipment living quarters for 24 people, a helipad and two lifting cranes. correct
Transmission Cable Cable Name DolWin (2) Beta to UW Dörpen/West correct
Number of Transmission Cables 2 correct
Minimum Cable Length 45 km correct
Depth Buried correct
Nominal Voltage 320 kV correct
Conductor Type Cu correct
Section 1400 mm2 correct
Insulation XLPE correct
Cost of the Transmission Cable correct
Cost Description correct
Comments on the Transmission Cable 45km of offshore cable come ashore on the island of Nordeney, before crossing the island and Wadden Sea in subterranean bores. A further 92km continue onshore from Hilgenriedersiel to the onshore converter station at Dörpen West. The route crosses from the EEZ to territorial sea via Gate II. Distances break down as follows: 30km (1400mm2 Cu) HVDC light sea-cable (+6km spare); 11km (1700mm2 Cu) HVDC light sea-cable (+4km spare), Wadden area; 3km (1700mm2 Cu) HVDC light land-cable (+1.5km spare); 90km (2400mm2 Al) HVDC light land-cable (+1.5km spare). The onshore cables are 0.4-0.5m apart in a 5m wide trench (0.7m at base). correct

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