A novel optimization of the particle swarm based maximum power point tracking for photovoltaic systems under partially shaded conditions

When the irradiance distribution over the photovoltaic panels is uniform, the
pursuit of the maximum power point is not reached, which has allowed
several researchers to use traditional MPPT techniques to solve this problem
Among these techniques a PSO algorithm is used to have the maximum
global power point (GMPPT) under partial shading. On the other hand, this
one is not reliable vis-à-vis the pursuit of the MPPT. Therefore, in this paper
we have treated another technique based on a new modified PSO algorithm
so that the power can reach its maximum point. The PSO algorithm is based
on the heuristic method which guarantees not only the obtaining of MPPT
but also the simplicity of control and less expensive of the system. The
results are obtained using MATLAB show that the proposed modified PSO
algorithm performs better than conventional PSO and is robust to different
partial shading models.