The maximum power point (MPP) of a photovoltaic (PV) system varies with temperature and solar irradiation. The implementation a technical control of the PV power converter systems to search and make this systems to operate at maximum output power is required. The realization of the aforementioned converter and digital implementation of this particular control are presented with experimental results. Hill climbing techniques, which allows tracking the MPP in real time, is implemented. This technique involves in the implementation and comparison of the efficiency of both methods: Perturb and Observe (P&O) and the Incremental Conductance (InC). The proposed techniques are validated using the experimental data of 40Wp PV panel (PVP), controlled by a boost converter. Following the comparison of both chosen techniques, output power efficiency and dynamic response are discussed. We also present the advantages and drawbacks of two techniques by using the performed measurements results.
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Farhat et al. (2015) studied this question.