A new topology of multi-input multi-output Buck-Boost DC-DC Converter for microgrid applications

Abstract

This paper proposes a new topology for multi-input multi-output Buck-Boost DC-DC converter based on the concept of matrix and Buck-Boost Converters to interface efficiently between DC loads and various DC power sources in a microgrid. A power sharing process can be applied among the input sources and output loads to control the contribution of each input sources in supplying the output loads. The input sources can be used in various power and voltage ranges and the output voltages can change from values greater than the maximum to lower than the minimum input voltages. Theoretical analysis and simulation results are presented.