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Modeling of Natural Disasters and Extreme Events in Power System Resilience Enhancement and Evaluation Methods

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Document pages: 6 pages

Abstract: The frequency of disruptive and newly emerging threats (e.g. man-madeattacks--cyber and physical attacks; extreme natural events--hurricanes,earthquakes, and floods) has escalated dramatically in the last decade. Impactsof these events are very severe ranging from long power outage duration, majorpower system equipment (e.g. power generation plants, transmission anddistribution lines, and substation) destruction, and complete blackout.Accurate modeling of these events is vitally important as they serve asmathematical tools for the assessment and evaluation of various operations andplanning investment strategies to harden power systems against these events.This paper provides a comprehensive and critical review of current practices inthe modeling of extreme events, system components, and system response forresilience evaluation and enhancement, which is a very important stepping stonetoward the development of complete, accurate, and computationally attractivemodeling techniques. The paper starts with reviewing existing technologies tomodel the propagation of extreme events and then discusses the approaches usedto model impacts of these events on power system components and systemresponse. This paper also discusses the research gaps and associatedchallenges, and potential solutions to the limitations of the existing modelingapproaches.

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