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Distributed power generation systems centered on small power generation facilities are seen as solutions to increase energy efficiency as they can actively accommodate renewable energy.
As the demand for distributed power generation systems and energy storage systems (ESSs) increases in island and mountainous areas, research on small-scale power grids is being actively conducted.
In general, smart grids and microgrids that use multiple renewables as small independent power grids are used as solutions.
However, since microgrids cannot replace conventional power grids due to the difficulty of maintaining power quality, DC nanogrid, which can bundle power and communication between small power grids, has recently emerged as a solution to increase energy efficiency.
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IEEE/ICACT20230159 Slide.04
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