Abstract
In order to meet the comprehensive utilization of “source-grid-load-storage” under the condition of new energy and make the power system more economical and flexible, the design and research of multi-port DC micro-grid energy router are carried out in this paper. Firstly, the essential functions of the energy router are analyzed. Secondly, the main components of the energy router are determined, and the topology structure, communication mode and control strategy of the related units are expounded. Finally, the application scenarios of the energy router are listed, which provides new ideas for the diversified application of the energy router. This article has obtained a multi-port energy router suitable for DC microgrid conditions. The energy router is mainly composed of power unit, communication unit, centralized control unit, power distribution unit and internal control unit, which can effectively complete the plug-and-play function, multi-voltage level conversion function, energy management function, human-computer interaction function, electrical isolation and other functions, to ensure the power demand of different voltage levels and safe and stable operation of the microgrid.
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