A COMPARATIVE SIMULATION OF PERTURB AND OBSERVE (P&O) AND INCREMENTAL CONDUCTANCE (IC) ALGORITHMS USING SIMULINK

E N Taddy, V Lazarescu, Y Eggah, D L Domtau, N M Chagok

Abstract


Maximum Power Point Trackers (MPPT) are used to increase the energy yield of photovoltaic systems. A

comparative simulation of Perturb and Observe (P&O) and Incremental Conductance (IC) algorithms, two of the

most widely used algorithms in commercial MPPTs, is carried out using Simulink. A model of the Photovoltaic

system is developed using Simulink. The P&O and IC algorithms are implemented using MATLAB codes. The

results show that IC performs slightly better than P&O. The better performance of IC is in terms of the power

extracted from the modules and the time it takes to track the maximum power.

Keywords: MPPT, Perturb and Observe, Incremental Conductance, Algorithm, Simulation.


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