A novel switched inductor configuration for modified SEPIC DC-to-DC converter for renewable energy application

The proposed work is on the Modified SEPIC Converter (MSC) and its different configuration with switched inductor structure (SI). In this paper, five different configuration of modified SEPIC Converter namely-Modified SEPIC converter without switched inductor configuration (MSC-LLL), Modified SEPIC Converter with XLL switched inductor configuration (MSC-XLL), Modified SEPIC Converter with LYL switched inductor configuration (MSC-LYL), Modified SEPIC Converter with LLZ switched inductor configuration (MSC-LLZ), Modified SEPIC Converter with XYZ switched inductor configuration (MSC-XYZ) is represented with their mathematical analysis and comparison is done on the basis of the voltage gain and the components count. The advantage of the MSC configurations is a high voltage gain ratio with a single control device and a few passive components. The feasibility of five different configurations of MSC is achieved on the basis of Matlab Simulink. The five different configurations are simulated for 250 W and 50 KHz switching frequency.