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One of the major trends in power electronics is increasing the switching frequencies. The advances in semiconductor fabrication technology have made it possible to significantly improve not only voltage-and current capabilities but also the switching speed. The faster semiconductors working at high frequencies result in the passive components of the converters-capacitors, inductors and transformers- becoming smaller thereby reducing the total size and weight of the equipment and hence to increase the power density. In order to give support to the growing technology demand of renewable energy applications, this paper presents a new converter topology for battery charging feasible to photovoltaic systems. The proposed converter presents in a single stage a large voltage step-up, high efficiency, and reduced voltage stress on switches due to the transformerIn order to verify its effectiveness. Theoretical analysis, operation principle and topology details are also presented and studied. High voltage gain, low switching stress, small switching losses, and high efficiency are expected from this topology, The detailed modeling and simulation verifications are carried out by using MATLAB/SIMULINK environment.

Keywords

Photo-Voltaic Systems, Soft-Switching, Boost Converter, High Voltage Gain

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