M. del Rosario Rivera-Espinosa, Alfredo Y. Alejandre-López, Jesus E. Pedraza-Barrón, P. García-Vite, Héctor R. Robles-Campos
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引用次数: 3
Abstract
This paper exhibits the performance of a high step-up converter employed for maximum power extraction in a photovoltaic system. The proposed converter is conformed by a conventional boost followed by a diode-capacitor-based multiplier for increasing the nominal voltage gain of the boost converter, resulting in a lower duty cycle at the maximum power point. The main characteristics of the converters are analyzed in order to determine an optimal equivalent input impedance. Evaluation of the proposed converter using standard Perturb and Observe algorithm is carried out. Switching simulations evidence the good performance of the whole system under irradiance disturbances.
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