The evaluation of the DC/AC conversion process of inverters on photovoltaic (PV) systems can be performed through experimental monitoring or computer simulations. In general, the basis of the simulation tools is the mathematical models capable of describing the dynamics of the system components. This paper presents the results of energy simulations of deterministic mathematical models implemented to estimate the energy processing steps of Grid-Connected Photovoltaic Systems (GCPVS) considering the thermal behavior of inverters under power limitation by temperature. Operational data of GCPVS with different configurations were used to validate the simulations and the results in terms of annual energy presented relative error lower than ±2%.

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