PSO based MPPT for Partially PV Arrays

P. Sudheer

Abstract: Traditional MPPT algorithms such as P & O, Incremental conductance, Hill climbing are fail to track MPP (Maximum Power Point) when partial shading occurs for that purpose here introduce a new technique this is a combination of one traditional MPPT technique and one artificial intelligent is used this is called a hybrid MPPT it is a combination of P & O (Perturb & observe) with Particle Swarm Optimization (PSO) consequently, the conventional MPPT searches for the MPP in the estimated region. The proposed technique is modelled and simulated by using MATLAB R2011a/Simulink the results are compared with ANN based MPPT and PSO based MPPT for PV arrays under different shading patterns.

Keywords: MPPT, Partial Shading Conditions PSC, Perturb and Observe, PV array, PSO