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In this paper, DC power interchange is confirmed to reduce the battery damage by according to the fluctuations in the battery voltage in each micro grid. We investigated various conditions that constructed the DC power interchange system in two micro grids using the DC power flow controller. The experiment examined DC power interchange between two micro grids. As a result, it is able to expect that...
The increasing amount of distributed energy resources requires significant changes to today's power systems. Most of the distributed resources are dc inherently or have a dc link. Therefore, connecting them with a dc distribution system seems beneficial. This paper presents the opportunities and challenges of dc distribution systems, starting with the requirements of future power systems. It will...
The number and variety of electric vehicles connected to grid continue to grow rapidly, which results in a heavy burden on grid. To solve this problem, the concept of V2G (Vehicle to Grid) that electric vehicles could act as a new power source for grid was proposed. With distributed renewable energy developing fast recent years, charging EVs is a good way to use it. The DC micro-grid program being...
High penetration of Distributed Energy Resources (DERs) with different dynamic responses cause interaction between components in a DC microgrid. This paper proposes a method called object-oriented modeling, which allows analyzing converter-interfaced DC microgrids in steady states and transients. The analysis mainly focuses on transient behavior of external electric values, as well as internal controller...
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