The present invention relates to a distributed resource management system capable of managing distributed resources distributed in a power grid and a control method thereof. The distributed resource management system monitors a plurality of distributed resources for generating power, any one of the distributed resources, and controls the monitored distributed resources using at least one of a transformer and a current transformer. and some distributed resources among the distributed resources, at least one distributed resource among the partial distributed resources is determined as a participating distributed resource based on a participation criterion, and the amount of power to be output by each participating distributed resource is distributed and a distributed resource controller that determines based on the criteria and transmits an output command to a terminal device corresponding to the participating distributed resource so that the determined amount of power is output from each participating distributed resource.
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