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Mini-grid Mini-grids or "micro grids" or "isolated grids", are a set of electricity generators and energy storage systems connected through a distribution network serving a localized group of customers. The focus on local consumers in the mini-grid delivery structure differs from individual consumer systems, such as, solar home systems, and conventional grid systems, where electrical energy is transmitted from centralized utility-scale generators to serve entire regions. [1]
Mini-grids may operate without being connected to a centralized grid; however, they may be designed to interconnect with the central grid so it operate as part of the central grid only disconnecting to maintain power quality in the case of central grid failures like blackouts and brownouts. Mini-grids may also serve as stop-gap measures that operate autonomously in remote locations until grid extensions make connections to the main network possible. [2] Any manner of energy resources and power plants can supply mini-grids, though most use low AC voltage (220-380V) with centralized production, storage systems, and installed capacities between 5 and 300kW. [3]
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