風力発電出力予測システムの開発と運用状況
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概要
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Until now, Itochu Techno-Solutions Corporation (CTC) and Tohoku Electric Power Co., Inc. have developed the system which predicts the wind power output in the control area of electric power system in order to contribute to demand and supply control of the power system. The official operation of the system has been started after experimental operation during three years. Currently, the forecast information is used as reference information for the electric power system operation in Tohoku Electric Power Co., Inc. In this paper, we describe the outline, operational status and forecast accuracy of the system. We verified stable operation of the system and forecast accuracy that is about 8% (Intraday forecast) and 10% (Day ahead forecast) by RMSE during experimental and official operation.