Primary and secondary control of parallel operating converter-interfaced distributed energy resources in microgrids
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Hierarchical control schemes for the proper operation and control of the Distributed Energy Resources (DERs) in AC and DC microgrids are proposed. The proposed control algorithms are tested through numerical simulations for parallel connected three phase and single phase DERs in interconnected multi-microgrid systems under various operating conditions such as grid connected, off-grid and hybrid operations. Further, a power circulation mechanism is proposed for power sharing among the different phases in an unbalanced microgrid.
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Shahnia, Farhad; Chandrasensa, Ruwan; Rajakaruna, Sumedha; Ghosh, A. (2014)In order to minimize the number of load shedding in a Microgrid during autonomous operation, islanded neighbour microgrids can be interconnected if they are on a self-healing network and an extra generation capacity is ...
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