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Simulation of an Interleaved LLC Resonant Converter for Renewable Energy Systems

Dr.R.Seyezhai , P.Chitra

This paper presents the simulation of an Interleaved LLC Resonant DC-DC converter for renewable energy sources. The proposed topology reduces the voltage and current stress of the components, increases the step down conversion efficiency and reduces the component count compared to the conventional dual LLC converters. Zero voltage switching (ZVS) is applied for the main switches and zero current switching (ZCS) for the resonant diodes to reduce the switching losses. The basic design of the proposed converter is discussed in this paper. Simulation studies are carried out in MATLAB. The results are verified.