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成果報告書詳細
管理番号20170000000425
タイトル*平成28年度中間年報 「電力系統出力変動対応技術研究開発事業/再生可能エネルギー連系拡大対策高度化」
公開日2017/5/31
報告書年度2016 - 2016
委託先名東京電力ホールディングス株式会社 東京電力パワーグリッド株式会社 関西電力株式会社 北陸電力株式会社 九州電力株式会社 国立大学法人東京大学 学校法人早稲田大学 一般財団法人エネルギー総合工学研究所
プロジェクト番号P14018
部署名スマートコミュニティ部
和文要約
英文要約Title: R&D Project on Grid Integration of Variable Renewable Energy :
Mitigation Technologies on Output Fluctuations of Renewable Energy Generations in Power Grid
Enhanced renewable energy connection with power grid
(FY 2016-FY 2018) Annual Report for FY 2016

R&D Item 1: Establishment of PV output control method for curtailment
1-(1) Enhancement of remote PV output control system
We enhanced remote PV output control systems for utility operation and developed the simulated system for demonstration, and also enhanced the remote control system for expanding the range of application of PV power plants. In addition, we performed security evaluation for the remote control system.
1-(2) Development of demonstration system
We ensured the number of PV power plants and power capacity required for demonstration of impacts on power grids in Kyusyu area. We completed preparing for remote PV power control systems at some PV power plants.
1-(3) Field demonstration
We started monitoring the generation information by the newly installed system, and examining test methods for the year-long demonstration planned in future years.
1-(4) Development of calculation technologies for optimal output controlled capacities
With 1 year of forecasts of PV power generation, we simulated a operation of a power grid with UC and EDC scheduling. Moreover, we worked on an algorithm to perform distribution of PV power curtailment to subareas within prefectures. Regarding PV power forecasting techniques, we built a database to be used in PV forecasts, and worked also on the development of day-ahead and short-term forecast models.

R&D Item 2: Enhancement of PV output control method
2-(1) Development of power self-consumption control method
We completed installing Home Energy Management System (HEMS), Power Conditioning System (PCS) for PV, and heat pump water heaters, etc. for demonstration environment including actual houses. In addition, we examined the household demand reflected by resident behaviors, and started setting use cases for functions to be implemented.
2-(2) Development of supply and demand control method
We set use cases with potential added values created by aggregators, and organized system architecture and functions of aggregator servers. We developed a simulation model for economical evaluation of the cases HEMS optimized battery operation under constraint conditions of reverse power limits assigned by the aggregator.
In addition, trial tests with technologies to control electrical home appliances of low power consumption were run. Studies on the acceptability by the public of such control methods, their effectiveness to reduce PV power curtailment and long term benefits were also done.
2-(3) Enhancement of distributed energy management system
We investigated advanced examples of distributed energy management system using smart inverters in foreign countries, and started examining equipment specifications for development and demonstration in this project. In addition, we focused on Volt-Var function, one of the voltage control functions of smart inverter, and determined control parameters of Volt-Var function based on the relationship between weather conditions and PV output. We evaluated voltage control performance. Also, we evaluated voltage control performance with smart inverter through numerical simulations.
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