数値シミュレーションによる光ファイバ終端機器用太陽光自律電源システムの特性解析

概要

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We have developed a novel computational simulator for a photovoltaic (PV) power generation system as an efficient design tool. The developed simulator enables us to predict the complicated performance of the whole PV system with high accuracy at short time intervals and evaluate the system quantitatively. In this paper, using the developed simulator, we quantitatively estimate the changes of PV current, battery voltage, battery discharging current, commercial supply current, and the period of practicable stand-alone operation, etc., according to the reduction of PV/battery capacity. To confirm the validity of the developed simulator, we compare the calculated values with measured ones. The computational results precisely agree with the measured values under various PV/battery capacity conditions. Furthermore, altering PV/battery capacity in the simulation, we successfully predict the system performance, e.g., the period of practicable stand-alone operation, and evaluate the PV system parameters.
2003-03-01