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成果報告書詳細
管理番号20190000000488
タイトル*平成30年度中間年報 エネルギー・環境新技術先導プログラム 未踏チャレンジ2050 革新的エネルギーネットワーク基盤技術の創製
公開日2019/6/22
報告書年度2018 - 2018
委託先名国立大学法人九州大学
プロジェクト番号P14004
部署名イノベーション推進部
和文要約
英文要約This work proposes a superconducting cable with energy storage function crucial for large-scale introduction of renewable energies to electric power system. The compensation for the power generation fluctuation from renewable energies has been one of the most critical issues for large-scale introduction of them. It will become difficult to manage such a situation only by conventional energy storage devices because high-power and high-speed compensation is necessary especially for large-scale photovoltaic (PV) power generation. The power system with the proposed superconducting cable will overcome the problem. In this financial year, the superconducting cable was systematically designed considering the performance of a long superconducting wire characterized by a novel measurement technique. The performance of the wire was estimated as a function of temperature, magnetic field intensity and its direction including the information of its longitudinal spatial homogeneity. The relationship between the size and stored energy of the superconducting cable was clarified. Furthermore, its possible function was summarized depending on the performance of the superconducting wire and its operating temperature. As a result, it was found that such a superconducting cable looked promising even by the present performance of the wire and would become more attractive in the future by its performance improvement. Furthermore, a small experimental demonstration was started based on the hardware-in-the-loop simulation. These progresses are on schedule of this project. We believe that this new system will be a crucial concept for future large-scale utilization of renewable energies for sustainable societies.
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