• NOURREDINE ZIDANE Laboratoire de Technologie Industrielle et de l’Information (LTII), Faculté de Technologie, Université de Bejaia, 06000 Bejaia Author
  • SOFIA-LALOUNI BELAID Laboratoire de Technologie Industrielle et de l’Information (LTII), Faculté de Technologie, Université de Bejaia, 06000 Bejaia Author


Energy management strategy, Fuzzy logic control, Photovoltaic, Fuel cell, Electrolyzer, Battery, Loss of power supply probability (LPSP)


In this paper, an intelligent energy management strategy of a Hybrid System (HS) is proposed based on fuzzy logic. The HS consists of a photovoltaic (PV) generator as the main energy source, whereas hydrogen subsystem and batteries are used for storing or supplying balance energy. The HS components are sized using a probability method called Power Loss Probability (PLP). It calculates the optimal number of PV panels and hydrogen storage elements meeting the load energy demand while optimizing the overall system price and its reliability. The Fuzzy Energy Management Strategy (FEMS) is established to manage the energy production according to the energy demand, the real-time production, the amount of hydrogen consumed by a fuel cell and generated from the electrolyzer, the battery state of charge, and by considering in addition component’s lifetime and cost. Simulations are performed, using an experimental solar radiation database, to evaluate the effectiveness of the proposed FEMS over a one-year period. The results show the ability of the HS to meet the load requirements while extending the lifetime of the system components.


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Électrotechnique et électroénergétique | Electrical and Power Engineering

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