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This paper is a result of ongoing activity carried out by Understanding, Prediction, Mitigation and Restoration of Cascading Failures Task Force under IEEE Computer Analytical Methods Subcommittee (CAMS). The task force's previous papers are focused on general aspects of cascading outages such as understanding, prediction, prevention and restoration from cascading failures. This is the first of two...
This paper is a result of ongoing activity carried out by Understanding, Prediction, Mitigation and Restoration of Cascading Failures Task Force under IEEE Computer Analytical Methods Subcommittee (CAMS). The task force's previous papers [1, 2] are focused on general aspects of cascading outages such as understanding, prediction, prevention and restoration from cascading failures. This is the second...
Cascading failures present severe threats to power grid security, and thus vulnerability assessment of power grids is of significant importance. Focusing on analytic methods, this paper reviews the state of the art of vulnerability assessment methods in the context of cascading failures. These methods are based on steady-state power grid modeling or high-level probabilistic modeling. The impact of...
This is a summary for presentation in the panel session, ldquoUnderstanding, Prediction, Mitigation and Restoration of Cascading Failuresrdquo at IEEE PES PSCE 2009. Recent major blackouts in North America, Europe, and other countries highlight the importance of reliability of our electric energy infrastructure and the economic impact of blackouts. These blackouts were caused by a cascading sequence...
This paper first presents a review of the current technology in power system protection and control, including the protective relays, local controls and system controls. Then, this paper presents a couple of typical scenarios to illustrate the possible problems with the existing technology. Next, this paper proposes the vision of a self-healing protection and control system based on real-time, look-ahead...
Large blackouts are typically caused by cascading failure propagating through a power system by means of a variety of processes. Because of the wide range of time scales, multiple interacting processes, and the huge number of possible interactions, the simulation and analysis of cascading blackouts is extremely complicated. This paper defines cascading failure for blackouts and gives an initial review...
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