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Transient Stability Indices for Fast Contingency Ranking in Large Electric Power Systems

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#Rete Elettrica #Sicurezza

pubblicazioni - Articolo

Transient Stability Indices for Fast Contingency Ranking in Large Electric Power Systems

L’articolo propone alcuni indici euristici per il pre-filtering e ranking delle contingenze in relazione alla stabilità transitoria, per applicazioni online. Gli indici sono testati su una rete test IEEE e su un sistema elettrico di grandi dimensioni, con risultati promettenti.

The liberalization of the electricity market and the growing contribution of renewable resources RES induce a large variety of scenarios that may lead power systems close to their operation limits. On–line Dynamic Security Assessment (DSA) of the grids is thus required, in order to provide operators with a clear insight of the current network state. The on–line application of DSA to a realistic network needs adequate methods to screen the large amount of contingencies to be examined by DSA tools. This paper proposes some practical heuristic indices for Transient Stability contingency pre–filtering and ranking in an on–line DSA session. The application of the indices to an IEEE test system and to a large realistic power system give promising results.

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#Rete Elettrica #Sicurezza

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