成果報告書詳細
管理番号20120000000919
タイトル*平成23年度中間報告 風力等自然エネルギー技術研究開発 次世代風力発電技術研究開発 基礎・応用技術研究開発
公開日2012/8/9
報告書年度2011 - 2011
委託先名独立行政法人産業技術総合研究所、一般社団法人日本電機工業会、伊藤忠テクノソリューションズ株式会社、国立大学法人東京大学、国立大学法人三重大学
プロジェクト番号P07015
部署名新エネルギー部
和文要約和文要約等以下本編抜粋:
1. 研究開発の内容及び成果等
1)複雑地形における風特性の精査
平成22年度に引き続き、実際の複雑地形(2地点)における風計測を実施することによって、国際的にも計測事例の少ない、複雑地形での乱流・ガスト特性の鉛直方向分布等について長期にわたり精度及び信頼性の高い風データを取得した。
英文要約Title: New Energy Technology Research and Development / Research and Development of Next-Generation Wind Power Generation Technology / Research and Development of Basic and Applied Technologies (FY2008-2012) FY2011 Annual Report
The wind speed measurements were continuously conducted at sites in Ichikikushikino, Kagoshima prefecture and in Otsuki, Kochi prefecture, and internationally valuable and reliable wind speed data at the complex terrain sites were obtained over a long period in this project. The influences of an assumption of vertical extrapolation of turbulence intensities and de-trending effects on the analysis of normal turbulence model (NTM) were evaluated in detail, and it was proved that there is no significant influence of these effects on previously derived results in this project. To evaluate the impacts of wind models developed in this project on wind turbine design, aeroelastic analysis of imaginary wind turbine model with rated power of 2 MW were conducted, and the results strengthen the technical evidence of the wind models developed in this project for complex terrain regions and for tropical cyclone regions. Based on these results, the wind models for complex terrain regions and for the tropical cyclone regions were officially proposed as the IEC international standards for wind turbine design. The wake effects and wind farm turbulence in complex terrain site were evaluated using wind tunnel with active turbulence generators, and wake models were developed based on the results from the wind tunnel experiments.
The wind speed measurements by LIDAR (Laser Imaging Detection and Ranging) and SODAR (SOnic Detection And Ranging) were conducted at the Otsuki site. The reliability and accuracy of remote sensing techniques were evaluated in the actual complex terrain, and the error characteristics induced by complex terrain were clarified. A new methodology for evaluation of AEP (annual energy production) using LIDAR in combination with cup anemometers mounted on a meteorological mast was developed, and its effectiveness was confirmed using the measurement data at the Otsuki site.
Test procedures and design requirements for small wind turbines were investigated in detail, and a technical report of performance and safety of small wind turbines was developed in this project. Based on this technical report, the first certification system for small wind turbine in Japan was started from December 2011, and this report made a great contribution to the promotion for securing safety and performance of small wind turbines installed in Japan.
The national committee and the working groups were continuously established in order to involve not only the contractors of this project but also many other stakeholders in the discussion of contribution to the IEA Wind implementing agreement and of drawing up proposals to IEC TC88. The outcomes of this project were publicized in the international R&D (research and development) cooperative activities in the IEA Wind, and this improved the presence of Japan in the international R&D activities in the field of wind turbine generation.
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