The multi-input renewable source inverter with controlled DC-DC converter and the H-bridge inverter

This paper presents the multi-input renewable source inverter which is interlinked with AC grid link. Photovoltaic and fuel cell energy sources are connected to the current fed half bridge converters, which perform soft switching action without any additional snubber circuit. Series connection of the HF transformer secondary terminals provides further extension of energy sources converters. A simple H-bridge inverter is being used at final stage which is linked to grid line. Analysis and design of the proposed multi-input renewable source inverter has been presented. Simulation analysis is done for 200watts inverter using simulation tool PSIM 9.0.3 to verify the design considerations and analysis.