太陽光発電出力の変化速度抑制制御及び必要なキャパシタ容量の算定

概要

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The photovoltaic (PV) generator changes its power output with the weather. If the PV output changes fast, the power system may require more load-following capability and spinning-reserve. This paper proposes a method of controlling the change rate of the PV output. The PV generator is combined with an electric double layer capacitor (EDLC). The moving average is used to eliminate short period fluctuations of the PV output. The output of the power conversion system (PCS) is determined by the moving average. The output changes within a limited rate. The capacitor voltage is maintained at a constant value to make the capacitor as small as possible. The necessary capacitance is theoretically derived. The effectiveness of this method is verified by the experiment.
社団法人電気学会の論文
2008-04-01