成果報告書詳細
管理番号20140000000767
タイトル*平成25年度中間年報 「太陽光発電多用途化実証プロジェクト 太陽光発電多用途化実証事業 強度の弱い畜舎向け軽量発電システム開発」
公開日2015/5/1
報告書年度2013 - 2013
委託先名株式会社オルテナジー
プロジェクト番号P13008
部署名新エネルギー部
和文要約
英文要約Title: Demonstration project for versatile application of photovoltaic generation (FY2013-2015) FY2013 Annual Report

As of 2010 there are roughly 7,000 livestock barns in Japan and they are considered to be weak-structured, which prevents PV installers from taking actions. The main object of this project is to develop lightweight PV systems in order to expand possible installation area. Since this is a collaborative project, Asahi Glass Company is in charge of the development of light and corrosion resistance PV module while altenergy, known as “simple lay”, the way of patented PV system integration, initiates suitable racks for the system. Considering light PV racks, the most appropriate material has to be chosen in accordance with the weight, intensity and strength, workability, corrosion resistance (especially ammonium), and cost. By comparing light materials just as aluminum and FRP (fiber reinforced plastic) with steel, aluminum works the best for the purpose in terms of weight and cost. FRP is actually used for PV racks once in a while, but it costs about twice as much as aluminum does even with economy of scale, says AGC Matex, the manufacturer of FRP-made PV racks for ground installation.
Simple lay method is based on the concept of “drill-less mounting” and therefore it eliminates the risk of roof leaks. This concept has to be taken into consideration by means of aluminum. At the same time aerodynamic research and hydromechanics analysis are necessary to design and develop new aluminum racks. The experiment took place in early March 2014 at Institute of Technology, Shimizu Corporation. Based on the results, the design and structure of aluminum racks has to be considered as the next step.
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