SIZING AND TECHNO-ECONOMIC ANALYSIS OF A GRID CONNECTED PHOTOVOLTAIC SYSTEM WITH HYBRID STORAGE

SIZING AND TECHNO-ECONOMIC ANALYSIS OF A GRID CONNECTED PHOTOVOLTAIC SYSTEM WITH HYBRID STORAGE

Faycal BENSMAINE, DhakerABBES , Antoine LABRUNIE, Benoit ROBYNS

 51st International Universities Power Engineering Conference (UPEC), 2016 

KEYWORDS : Energy management, Hybrid storage, Levelized Cost of Energy, Photovoltaic System 

ABSTRACT :

Energy storages are emerging as a predominant sector for renewable energy applications. This work concerns a photovoltaic system that combines two storage technologies (one for energy needs NCA batteries and another for power SuperCaps Maxwell). A smart supervision algorithm based on fuzzy logic has been successfully developed. Simulations show that it achieves the desired objectives in terms of compliance with production program while respecting the various constraints of electric grid manager (power smoothing, frequency regulation, etc.). In addition, a comparative study of different storage configurations especially in terms of storage components lifspan and system Levelized Cost of Energy (LCOE) has been carried out. A life cycle cost analysis has been made to help designers in their choice. Results shows that: to have a good frequency adjustment with respect of the production program and with a reasonable storage total cost, a power storage > 50% installed PV power must be used. A ratio of one is recommended. In addition, the studied system have a LCOE below 250 €/MWh.


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