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MDP based real time restoration for earthquake damaged active distribution systems

机译：MDP based real time restoration for earthquake damaged active distribution systems

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? 2023 Elsevier B.V.After a disaster, presence of electricity becomes even more crucial compared to its role in daily life. In this paper, an online decision support method is developed to restore medium voltage active distribution systems after an earthquake. The proposed method employs Markov Decision Process (MDP) to determine the sequence of actions which minimizes the expected restoration time. The method firstly predicts the health condition of the system components based on the Probability of Failure (Pf). These Pf values were priorly computed and plotted against Peak Ground Acceleration (PGA) values. Then a sequence of restoration actions, i.e. the restoration strategy, for the system operator is determined by considering the prediction of health conditions and power flow analysis results. During the field operation, if an unexpected situation, i.e. unexpected state of a component or a significant variation in electrical quantities, is encountered by the system operator, the proposed method updates the restoration strategy by considering those variations from the initial prediction.

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