| Summary: | For an active distribution system (ADS) that integrates high levels of distributed generators (DGs), the control dimension of such a wide and dynamic set of resources would become overwhelming. This study proposes a novel pinning group consensus (PGC)-based distributed coordination control to simplify ADS control by using the virtual clusters building block concept. A given ADS is rethought as coupled small virtual clusters, including virtual microgrid clusters and virtual power plant clusters; accordingly, the ADS can be coordinated by controlling a small number of selected pinning agents instead of a huge number of DGs. The predefining of the PGC values for these pinning agents, which comprehensively considers both clusters features and DG capacities, is the most distinguishing work for the proposed control scheme and can lead to effective global coordination in a distributed manner. Simulation cases under normal/disturbed/emergency conditions verify the effectiveness and advantages of the proposed scheme.
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