An Optimal Control Approach For Off-grid PV System Using Current Strategy Technique

In this work, a method of control and optimization is developed for off-grid PV installations. The purpose of this method is to maximize the output current absorbed by batteries in order to optimize the Photovoltaic system operation. In this paper, a special interest has been attributed to performances comparison (production, efficiencies and systems speed convergence) of the studied method and a classical one of literature (Perturb and Observe). The comparison is realized under the same meteorological conditions. The results obtained during these studies show an average improvement in performances of the proposed system compared to the classical one.