Abstract
PV applications regularly require the control of the input voltage of DC-DC converters. Unlike conventional converter, in this study the input voltage is controlled and the output voltage is maintained constant. A linearized photovoltaic (PV) array model and buck converter with constant output voltage model were used in this paper to get the transfer function of the electronic converter and to design a voltage compensator to regulate the input voltage of the converter. Results were obtained and illustrated verifying the efficiency of the compensator used in enhancing the time-response performance of the buck-based PV system by reducing the over-shoot, settling and rising time. Nonetheless, enhancing the stability of the buck-based PV system.
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