Abstract
Hybrid systems consisting of power converters for interfacing solar PV, electric vehicle (EV) and battery to the grid are key drivers of a renewable energy future. Conventionally, such a power electronic interface is realized by combining dedicated converters for each source. This results in increased cost/size and low utilization of converter components. To address these issues, we propose a reconfigurable multi-port converter for integration of solar photovoltaic (PV), EV, battery and the grid to improve component utilization and subsequently increase power density. The converter has four ports: a unidirectional port for PV and bidirectional ports for EV, battery and the grid. The proposed reconfigurable multi-port converter has numerous operating modes that include PV-EV, PV-grid, grid-EV, PV/Grid-EV, PV/battery-EV and PV-battery. The converter is reconfigured into different topologies depending upon the operating mode. The topologies formed through reconfiguration are synchronous buck, synchronous boost, dual active bridge and current-fed dual active bridge. Different operating modes are verified through open loop simulation in PLECS software.
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