Abstract

Today’s society relies heavily on electric power produced mainly using coal and petroleum. These sources of energy are nonrenewable. The rise in the cost of petroleum and the effects of coal on the environment force the issue of seeking alternative sources of energy that are renewable and environmentally friendly. One such source is solar energy. Solar energy is extracted via photovoltaic (PV) modules. The problem with this alternative form of energy is the poor efficiency of solar cells. This work deals with the development of an improved dynamical model of PV modules to maximize the amount of power extracted from the Sun. The developed model has been implemented using MATLAB®/SIMULINK. Field data are used to compare the efficiency of the newly developed model to the existing models reported in the available literature. Results reveal that the proposed model led to an improvement of 21% in the efficiency of the PV module. Such improvement in efficiency will lead to great energy saving when used on a large number of PV modules.

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