Posters - WindEurope Annual Event 2022 in Bilbao


Come meet the poster presenters to ask them questions and discuss their work

Check the programme for our poster viewing moments. For more details on each poster, click on the poster titles to read the abstract. On Wednesday, 6 April at 15:30-16:15, join us on Level 3 of the Conference area for the Poster Awards!

PO020: Pilot-scale substations for floating offshore wind farms

Justin Jones, Civil/Structural Group Leader, Petrofac


The next stage for floating offshore wind projects will be pilot projects in deeper water further away from land. These projects are expected to have a generating capacity of around 250MW. To step up the voltage for export to shore, a substation will be required. The challenges of producing a structurally efficient low-motion vessel are greater for the small topsides weight and footprint of the electrical equipment for 250MW than they are for a commercial scale floating substation of 1GW. Different options for the floater design are discussed and compared. A stable semi-submersible hull would need a footprint much larger than that required for the electrical equipment, a conventional or modified spar would have a deep draught and would therefore present construction and installation limitations and small ship-shaped or round hulls have relatively high motions. A minimum structure Tension Leg Platform (TLP) was found to provide low motion combined with minimum structural weight.

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