Abstract

In isolated area, renewable energies sources are suitable to produce the electric energy for domestic loads supply. The solar photovoltaic energy production have a great potential in sunny regions. An adequate energy scheduling should guarantee the priority loads functioning face to climate instability. In this paper, a Timed Hybrid Petri Nets (THPNs) tool is proposed to model the behavior of a standalone PV/Batteries system established in an isolated chalet. Through this model, an energy scheduling algorithm is developed to satisfy the loads demand and to make maximum use of generated photovoltaic energy compared to stored energy. Based on a predefined classification of priority and secondary loads, the developed algorithm can make decision on operation times of loads. Several starting times of secondary load are determined and in order to minimize the use of stored energy, optimal one is considered. Results prove the satisfaction of priority and secondary loads supply with an optimal operation starting time of secondary load.

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