Page 21: of Offshore Engineer Magazine (Jul/Aug 2014)

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Analysis be used in the proposed Hywind

Scotland Pilot Park Project (HSPP), a fve-turbine develop- ment, 5km offshore Peterhead, in an area with 10.1m/s average wind speed, 95-120m water depth, and in 1.8m mean wave height.

The structure below sea level will be 75m-long (25m shorter than the frst Hywind demonstra- tor). It will use dynamic power cables in a lazy S formation, with 33vV transmission voltage to

Statoil’s Hywind foating wind turbine, ofshore Norway.

Photo by Øyvind Hagen, Statoil. shore. The company carried out geotechnical studies this spring. A fnal investment decision is technology group working in electronics and communications, due to be made on HSPP in 2015. and mooring system frm Vicinay) and the Tecnalia technol- “Our goal is a large-scale commercial park, producing 500- ogy center. The consortium has a collaboration agreement with 1000MW, which we believe could be cost-competitive with bot-

Spanish utility group Iberdrola. tom fxed turbines from 2020. We need to build a small wind farm

Gonzalo Fornos, business managing director at Tamoin and to demonstrate the cost reductions and risk,” Meulepas says.

a board member on Nautilus, told All Energy the group has

Challenges for the larger units offshore Peterhead will developed a foating, stabilized, semisubmersible platform, include installation, which will need to be different to the for 50-250m water depth. As well as accommodating “any

Hywind offshore Norway, Muelepas says, as well as mainte- type of wind turbine,” it could take a substation, Fornos says. nance and marine systems. Concept defnition was achieved in 2011, conceptual design was achieved in 2013, and tank testing will be carried out this

Spain year, at the University of Cork, Ireland, and in Cantabria, Spain.

In Spain, the Nautilus Floating Solutions consortium is devel- Detailed engineering will start in 2015, and a prototype is due oping a foating wind turbine. The consortium comprises four to be deployed in 2016, Fornos says, with a commercial unit

Deep Ingenuity - Ad 184x130_02.20.14.pdf 1 2/20/2014 9:08:11 AM companies in northern Spain (the Astilleros de Murueta ship- ready by 2018. The aim is to pre-assemble the unit in port, and yard, Tamoin industrial services frm, Velatia, an industrial and tow it to its installation location.

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K oedigital.com July 2014 | OE 23 021_OE0714_analysis.indd 23 6/20/14 3:07 PM