In light of the increasing global energy demand and the need for diversification of energy sources, solar hydrogen systems present a promising alternative for a more reliable and sustainable energy supply based on renewable energy sources. In this work, we address an energy system that combines photovoltaic modules and electrolysers, enabling the conversion of excess solar energy into hydrogen as an energy carrier. We have focused on the numerical modelling of the system, which is composed of these two elements. We tested the model on empirical data and used it to simulate various operating states dictated by weather and technological conditions. In the optimal configuration of series-parallel connected cells of the photovoltaic module and electrolyser, the highest system efficiency and hydrogen production rate can be achieved.
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