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Focusing on the issues of access management and consuming in energy routing network within the low-voltage distribution grid, this article studies the energy management mechanism from the perspective of routing topology, and the routing matrix is proposed to realize such mechanism. Firstly, we design a type of low-voltage energy router (ER), in which the renewable energy and 380V distribution grid...
This paper presents a quantitative framework for measuring and characterizing resilience of information and communications technology facilities with a focus on their power supply. Although the focus of the presented framework is for communication networks power supply, it is also applicable to power grids in general. The proposed framework uses a measure analogous to availability in order to measure...
The microgrid is a miniature power supply load and an independent control system to provide local power and heat. This concept provides a new model to describe the microgrid operation; microgrid can be seen in the power unit in a controlled, it can respond in seconds to meet the needs of the external transmission and distribution networks; on the user, the microgrid to meet their specific needs: increase...
Diesel generators in small electricity grids are mostly not used in a very efficient way. The reason for this is twofold. First of all, the efficiency of a diesel generator is dependent on the ratio determined by the average power divided by the peak power of the generator. The smaller this ratio is, the lower the efficiency. Furthermore, some loads can regenerate energy. In small grids, this energy...
This paper provides an overview of grid connection demonstration projects of the New Energy and Industrial Technology Development Organization (NEDO). One of the important objectives of NEDOpsilas recent R&D is solving problems that arise when distributed and renewable resources are connected to power grids. The authors introduce national grid connection projects, especially micro grid-related...
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