成果報告書詳細
管理番号20120000000416
タイトル*平成22年度中間年報 蓄電複合システム化技術開発 共通基盤技術開発 需要家設置の既設大容量蓄電池による系統対策への活用可能性評価・システム標準化の研究開発
公開日2012/6/27
報告書年度2010 - 2010
委託先名東京電力株式会社
プロジェクト番号P10008
部署名スマートコミュニティ部
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
平成22年度に実施した研究開発項目の内容について報告する。
1) 需要家NAS 電池による自端周波数制御の可能性調査
自端周波数制御を開発するにあたって、需要家設置NAS 電池による自端周波数制御の可能性について評価を行った。
具体的には、NAS 電池を設置している需要家86 箇所について、ロードカーブおよびNAS電池の運用実績を分析評価し、NAS 電池の仕様や充放電制約などを考慮のうえ、本来用途(負荷平準化等)の妨げとならない範囲での利用を前提として、季節別・時間帯別の自端周波数制御可能量の見通しを算出した。また、これと同時並行で、自端周波数制御の検証対象とするNAS 電池3 箇所を選定し、より詳細な解析を行った。
英文要約Title: R&D of Practical and integrated Energy storage systems for smart community, Fundamental technology development, Assessment of the potential to make use of large capacity energy storage battery installed at customer side for grid operation (FY2010-2011) FY 2010 Annual Report
In this program two activities were performed; investigation of the potential to make use of Sodium Sulfur (NAS) batteries installed at customer side for autonomous frequency control function as a part of Autonomous Grid Conscious Control (AGCC) and set-up of fundamental specifications for autonomous frequency control function. For the former activity, load curves and charging and discharging patterns of 86 customers owning NAS batteries were collected and analyzed in order to pile up the total capacity utilizable for autonomous frequency control at each season and each time. Most of constrains were carefully taken into consideration to avoid disturbing original usage such as load leveling. At the same time, prospective three customers were selected for field tests of autonomous frequency control and more detailed analyses were performed for their load curves and charging and discharging patterns. NAS batteries total capacity utilizable for autonomous frequency control and requirements from grid operator side for frequency control capability can show relatively good agreement with some slight coordination efforts at customer side by entity (in Japan it is electric power company) that has good know-how and experiences of grid operation as well as battery usage. It means our hypothesis was certainly proven; autonomous frequency control function can be compatible with load leveling function in a large capacity battery such as 2,000kW. It can be helpful for us to install batteries, which are originally expensive for a single function usage, by applying multi-functions to a single battery without any telecommunication control or complicated coordination efforts. For the latter activity, some studies were performed to set-up fundamental control block for autonomous frequency control by reflecting the discussion with prospective three customers for field tests towards the future ones utilizing actual NAS battery systems.
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