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Microgrids can act as emergency sources to serve critical loads when utility power is unavailable. This paper proposes a resiliency-based methodology that uses microgrids to restore critical loads on distribution feeders after a major disaster. Due to limited capacity of distributed generators (DGs) within microgrids, dynamic performance of the DGs during the restoration process becomes essential...
Resiliency with respect to extreme events, such as a major hurricane, is considered one of the key features of smart distribution systems by the U.S. Department of Energy (DOE). In this paper, approaches to resilient distribution systems are reviewed and analyzed. Three important measures to enhance resiliency, i.e., utilization of microgrids, distribution automation (DA), and vulnerability analysis,...
In this work, ac-dc hybrid microgrids are studied, which contains inverter-interfaced distributed generators (DGs) and storages (DSs). As an effective way, electromagnetic transient (EMT) simulations are widely adopted for studies on control and protection strategies of these microgrids. However, detailed EMT simulations are time-consuming, especially for microgrids with many inverter-interfaced DGs/DSs...
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