太陽光発電(PV)-電気分解(EL)-燃料電池発電(FC)組み合わせシステムの最大出力運転方法

概要

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Abstract Since the power output of photovoltaics (PV) is affected by natural conditions, a constant power output can not be obtained. So we have studied the PV-EL-FC hybrid system. We can generate and store hydrogen by electrolysis (EL) with the direct-current from a photovoltaic cell, and then supply the stored hydrogen to fuel cells (FCs) whenever the electric power needed. In this research, we examined the operation method for the maximum power output of the system . The results are as follows: (1)We studied the fundamental characteristics of the PV-EL-FC hybrid system with the solar simulator and sunlight. (2)In this system, the maxinwm power output could be obtained by controlling the resistivity of the electrolysis cells. (3)In the case of the amount of insolation change, the value of load resistivity of electrolysis cells is also followed to the insolation change. (4)The empirical formula of load resistivity of electrolysis cells could be derived, and the index of the optimal connection method of photovoltaics and electrolysis cells was obtained.
宮崎大学の論文