Istituto di Scienza e Tecnologie dell'Informazione     
Chiaradonna S., Di Giandomenico F., Nostro N. Analysis of electric power systems accounting for interdependencies in heterogeneous scenarios. In: EDCC 2012 - Ninth European Dependable Computing Conference (Sibiu, Romania, 8-11 Maggio 2012). Proceedings, pp. 84 - 93. IEEE, 2012.
Efforts have been significantly invested in the last years on analysis of interdependencies in critical infrastructures, including Electric Power Systems (EPS). Among other studies, a modeling and analysis framework has been proposed, able to account for the impact of interdependencies in EPS organized as a set of interconnected regions, both from the point of view of the electric power grid and of the cyber control infrastructure. Indicators representative of the quality of service (QoS) perceived by users have been defined and assessed on reference test cases under homogeneous conditions of the network parameters and of the cost associated to power losses and to power generation. This paper advances such previous studies by extending the developed framework considering loads of different criticality (from the point of view of consequences of power loss) and different failure rates for the power lines. The proposed extensions address relevant aspects of non-homogeneity of real EPS infrastructures, which need to be taken into account in assessment studies to get accurate results, to be exploited as useful guidelines to appropriate configuration and reconfiguration policies.
URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6214763&contentType=Conference+Publications&searchField%3DSearch_All%26queryText%3DAnalysis+of+electric+power+systems+accounting+for+interdependencies+in+heterogeneous+scenarios
DOI: 10.1109/EDCC.2012.17
Subject Stochastic Modeling
Electric Power System
Infrastructures Dependencies
Blackout-size Assessment

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