At-Sea experiment of a hybrid spar type offshore wind turbine

Shigesuke Ishida, Kentaroh Kokubun, Tadashi Nimura, Tomoaki Utsunomiya, Iku Sato, Shigeo Yoshida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Abstract

Ministry of the Environment of Japan started the national demonstration project of Floating Offshore Wind Turbine (FOWT) in 2010 FY. In this project two SPARs with different scales are used. The first half-sized model, supporting a 100kW wind turbine, was installed in 2012 and is currently in operation. It is characteristic that the floater has a hybrid structure, i.e., the upper part is constructed of steel and the lower part of pre-stressed concrete and that the turbine is downwind type of horizontal axis. The FOWT is equipped with many sensors for measuring motions of 6 DOF, the strain of the steel / concrete parts and other factors. In this paper the measuring system is presented. In September 2012, the FOWT was attacked by a huge typhoon and it survived, although the measured wave height exceeded the designed value. The measured record of the floater in the storm is also presented.

Original languageEnglish
Title of host publicationASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013
DOIs
Publication statusPublished - Dec 1 2013
Externally publishedYes
EventASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013 - Nantes, France
Duration: Jun 9 2013Jun 14 2013

Publication series

NameProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Volume8

Other

OtherASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013
CountryFrance
CityNantes
Period6/9/136/14/13

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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  • Cite this

    Ishida, S., Kokubun, K., Nimura, T., Utsunomiya, T., Sato, I., & Yoshida, S. (2013). At-Sea experiment of a hybrid spar type offshore wind turbine. In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2013 [V008T09A035] (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 8). https://doi.org/10.1115/OMAE2013-10655