摘要

With the large-scale microgrids interconnected to the power grid, a number of neighbor micrgrids in a certain region will form a multi-micrgrid system. In the development of microgrid to smart grid, the multi-microgrid would be a new research hotspot after single-microgrid. This paper analyzes the basic structure of the mainstream multi-microgrid based on the platform of Guangdong Key Laboratory of Clean Energy Technology (CET Lab). According to the typical application, the types of remote, residential, commercial building, industrial park and research are introduced, and their application analysis are carried out. Finally, based on the research of the four aspects of planning and design, mode switching, optimizing operation and control device,the key technology of the multi-microgrid is discussed and explored.

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