Abstract
In renewable energy sources, specifically in photovoltaics systems, DC/DC converters play vital roles, as the power generated by PV systems is non-linear and changes with solar irradiance and temperature. Therefore, these systems require converters that have wide input voltage range, high voltage gain, high power range and improved efficiency. In this paper, analysis of non-isolated reduced redundant power processing converter topology is presented to evaluate its efficiency and reliability for the photovoltaic system. The proposed converter has very simple design and a low number of circuit elements. The converter is designed in such a way that it always operates in continuous conduction mode. The mathematical modeling of a 3 kW converter is presented to show the theoretical evaluation of the step-up voltage ratio of the converter. For further evaluation of the performance and efficiency of the converter, a simulation study is conducted in PSIM software. Overall converter efficiency is improved for a wide input voltage range and voltage gain, specifically for photovoltaic systems.
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