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成果報告書詳細
管理番号20170000000441
タイトル*平成28年度中間年報 風力発電等技術研究開発 洋上風力発電等技術研究開発 次世代浮体式洋上風力発電システム実証研究(バージ型)
公開日2017/7/6
報告書年度2016 - 2016
委託先名丸紅株式会社 国立大学法人東京大学 九電みらいエナジー株式会社 日立造船株式会社 エコ・パワー株式会社 株式会社グローカル
プロジェクト番号P14022
部署名新エネルギー部
和文要約
英文要約We obtained the permission from local fishery union by suggesting ways to coexist with the floating facility.
We have finished making Environmental Impact Assessment report available for public inspection after submission of the mayor opinion for Environmental Impact Assessment draft EIS.
In order to make sure that connection of the generation system with grid does not have a harmful effect on the electricity quality on the commercial basis, we organized some evaluation points of the quality of electricity and method of the evaluation. We examined to build the operational safety program utilizing the external personnel in order to secure the electric safety with regard to the floating offshore wind power system, after consulting with related national authorities.
Wind Turbine: Wind turbine and turbine maker was decided as 3MW/aerodyn after evaluations. This year, we have finished detail design. Main components of the wind turbine were assembled by aerodyn. Floater (PC structure): We identified that our design based on DNV Offshore Standard met the section forces given by Orcaflex. A suitable installation method for PC structure was also identified feasible through practicing installation test. We summarized challenges of the PC structure that must be solved for being used practically. Floater (steel structure): Due to an alternation of the wind turbine, floater (steel structure) was reengineered. We practiced a strength calculation of a main section, a base of a tower, and a base of a mooring. Mooring System: By practicing a coupling analysis, we revealed the design of the mooring system satisfied a NK design guideline.
In terms of the installation, we considered the appropriate way to transport floater, the assembly method of the wind turbine, the installation method of the electrical equipment, the scheme of holding power test, and the way to moor the floater.
The performance evaluation is made by verification of the results obtained in the feasibility study and design with field test data. We have constructed a data collection system and analysis system for this purpose. Evaluation items and algorithms necessary for performance verification were examined in constructing this system.
The influence on slamming and overtopping waves has emerged as a new problem, and evaluation by tank model test and numerical analysis was carried out and reflected in the design.
We estimated the future CAPEX of this project by using a learning curve.
Detailed performance of the observation instruments planned in FS was scrutinized, and specification examination of the data collection system was completed. Also, the arrangement and installation design of the observation equipment on the floating structure is started.
To prevent from long term suspension and to improve availability, we considered and summarized items for the maintenance method and remote monitoring system. Also, we considered design of the equipment which will be installed on the floater.
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