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A multi-scenario, multi-objective optimization method of a grid-parallel Microgrid (MG) is presented aiming for more comprehensive and accurate assessment of a grid-parallel MG. First, different operational modes of a grid-parallel MG are analyzed and sorted. Normally, the MG will connect with the energy deliver system most of the time, providing functions such as peak shaving, system reserve. But...
Based on the basic concepts and analysis methods of power supply capability, the paper analyzed the increase of distribution network efficiency in parallel operation. Firstly, the analysis process and formulas of the power supply capacity in parallel operation under general connection mode was given. And then the hand-in-hand connection mode was adopted as the specific network connection mode. The...
A proper evaluation on the power supply capability of urban distribution system is of enormous social and economical significance. In competitive marketing environment, to satisfy the sustainable growth of distribution loads, electric utilities must judge whether the return of power supply capability is sustainable and valued against the certain amount of investment. Therefore, to make up the insufficiency...
A method of dry resistance load test of diesel locomotive is introduced. The electric power generated by a dynamotor, which is driven by the diesel, is converted to DC and consumed on the dry resistances. As the heat dissipation of the resistances is about several thousand kilowatts, DC motor fans are used for air cooling the resistances. In order to save energy, the energy for driven the motor fans...
To adapt the needs of the rapid development and more frequent construction or reconstruction of urban distribution network in China, this paper proposes a comprehensive computer-supported planning software system, which is called planning platform. It is different from the traditional decision-making system which only plays a role as an analysis and decision-making support tool for planning engineers...
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