Technical Definition of the TetraSpar Demonstrator Floating Wind Turbine Foundation

Michael Borg, Morten Walkusch Jensen, Scott Urquhart, Morten Thøtt Andersen, Jonas Bjerg Thomsen, Henrik Stiesdal

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Abstract

With the deployment of the TetraSpar demonstrator, a significant cost-reduction is realized in the field of offshore floating wind turbines. The TetraSpar floating wind turbine foundation brings a milestone that emphasizes on a modular and fully industrialized foundation that consists of main components already widely available in the current wind energy supply chain. In an effort to provide an open approach to the development of the concept, this paper aims at giving a description of the design in order to enable an educated discussion of different design philosophies and their influence on material usage and production times. The description of the different subcomponents of the system should allow any entity to build a model for comparison and/or benchmarking any of their own findings against this concept. It is the authors’ expectation that this open approach to technological discussion is paramount to obtaining continued cost-reduction in the area of floating offshore wind—for this concept and others.

Original languageEnglish
Article number4911
JournalEnergies
Volume13
Issue number18
Number of pages11
ISSN1996-1073
DOIs
Publication statusPublished - 18 Sep 2020

Keywords

  • Demonstrator
  • Floating wind turbine
  • Technical description
  • Technology overview
  • TetraSpar

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