Abstract
In this paper, a unique fifth-order converter consisting of one Boost and one SEPIC converter designed for dc grid application. This converter is suitable to draw power from two dc sources simultaneously and individually. It has two-switches that is used to fulfill the load power requirement with a minimum ripple in source current. The proposed multi-input converter (MIC) suitability is confirmed by experimental and simulation results performed in three different modes of operations. The decentralized voltage-mode and current-mode controllers are designed to ensure the constant load voltage and source current. A 48 V 150 W prototype MIC is developed in the laboratory. Dynamic performance and steady-state performance, along with simulation results, are compared with the experimental work. The PSIM and MATLAB software are used for simulation and analysis purposes. A dsPIC33FJ64GS610 micro-controller-based prototype has been developed in the laboratory for experimental results.
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