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TRUSSFLOAT forwards floating foundation design

By: Tom Russell 19/03/2018 DIETSWELL

General Turbines Windfarms

DIETSWELL is currently developing its TRUSSFLOAT floating foundation for offshore wind turbines which is designed to lower the Levelized Cost of Energy (LCOE). It was awarded €2.8m from the French Environment & Energy Management Agency for the detailed design of the foundation last October.

The development of semi-submersible float for large capacity offshore wind turbines is part of the Investissement d’Avenir (PIA) program of the Commissariat Général à l’Investissement of the French government. In the program DIETSWELL is the leader of a consortium of French companies, including MATIERE for construction engineering and OCEANIDE for basin testing.

Over the past months DIETSWELL has been progressing on its TRUSSFLOATTM solution, which now comes with three major updates in its commercialisation outlook.

Firstly, TRUSSFLOAT design was equipped with a 6MW wind generator which has been validated with coupled simulations against typical site conditions. This took into account the aero loading on the wind turbine and the hydrodynamics loads on the float. With this last piece in the picture, DIETSWELL stated its solution now meet all requirements for offshore developments.

Secondly, the TRUSSFLOAT design has also been adapted to harsh environment (winds, swell, tide) of Atlantic Ocean. With this ‘’TOUGH VERSION’’, this unique floater fits with all kind of oceans conditions in the world, according to DIETSWELL.

Lastly, the design of a TRUSSFLOAT based version capable of hosting a 12MW generator according to the expected size given by the industry.

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TRUSSFLOAT forwards floating foundation design

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