Etude, modélisation et optimisation d’un système d’énergie hybride PV/Pile à combustible
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Date
2022-06
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Publisher
université msila
Abstract
Concern is growing daily about the dangers of the excessive use of traditional energy resources
in conjunction with the exacerbation of global warming. Thus, it has become necessary to move
towards the use of renewable and clean energy sources, but the development of renewable energy
systems faster has been and continues to be a scientific and technological challenge.
Among the renewable energy sources: Photovoltaic seems to be the most promising source. It
has the advantage of being available everywhere, friendly to the environment and easily
maintainable. On the other hand, the fuel cell is arguably the most environmentally friendly way to
generate electrical energy today. Indeed, apart from electricity, the reaction between hydrogen and
oxygen only produces water vapor. As such, the process does not in any case releases any
greenhouse gas. However, the main drawbacks to these sources are the high manufacturing cost and
non-linear characteristics, and thus the randomness of energy availability. To meet these challenges,
sources hybridization and its optimization can demonstrate to be suitable approach for the design of
efficient energy solutions.
This thesis deals with the hybridization of two renewable energy sources and improving their
performance. The hybrid system comprises photovoltaic solar panels and a fuel cell, in addition to
battery, converter, electrolyzer and hydrogen tank to supply cell tower. The objective is to develop
new control strategies to extract the maximum power available from the both sources PV/PEMFC
and optimize the size of the hybrid system components. As results, some MPPT algorithms have
been developed that have proven durability and robust performance under variable operating
conditions to extract maximum power, while for second objective, optimization sizing of the hybrid
system components have been done using HOMER software