Dynamic security assessment and load shedding schemes using self organized maps and decision trees

Authors:
Emmanouil M. Voumvoulakis;Nikolaos D. Hatziargyriou
Affiliations:
Department of Electrical and Computer Engineering, National Technical University of Athens, Zografou, Athens, Greece;Department of Electrical and Computer Engineering, National Technical University of Athens, Zografou, Athens, Greece
Venue:
SETN'06 Proceedings of the 4th Helenic conference on Advances in Artificial Intelligence
Year:
2006

Citing 3
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Abstract

Modern Power Systems often operate close to their stability limits in order to meet the continuously growing demand, due to the difficulties in expanding the generation and transmission system. An effective way to face power system contingencies that can lead to instability is load shedding. In this paper we propose a method to assess the dynamic performance of the Greek mainland Power System and to propose a load shedding scheme in order to maintain voltage stability under various loading conditions and operating states in the presence of critical contingencies including outages of one or more generating units in the south part of the system. A Self Organizing Map is utilized in order to classify the Load profiles of the Power System. With a decision tree the dynamic performance of each class is assessed. The classification of Load Profiles by the SOM, provide the load shedding scheme.