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Representative operating and contingency scenarios for the design of UFLS schemes

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IIT-10-021A.pdf (681.9Kb)
Fecha
2010-05-01
Autor
Sigrist, Lukas
Egido Cortés, Ignacio
Sánchez Ubeda, Eugenio Francisco
Rouco Rodríguez, Luis
Estado
info:eu-repo/semantics/publishedVersion
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This paper studies an approach to identify representative operating and contingency (OC) scenarios for the design of underfrequency load-shedding (UFLS) schemes. In small isolated power systems, contingency scenarios are outages of generating units. Usually, only N-1 outages are considered. In this paper, simultaneous outages of several units are also taken into account. Data mining techniques such as K-Means and Fuzzy C-Means algorithms are used to group scenarios in terms of system frequency and to identify representative OC scenarios. The approach has been applied to the design of UFLS schemes of two of the Spanish isolated power systems. The results have also been compared to the common practice of scenario selection. Clustering techniques yielded to satisfactory results, i.e., representative OC scenarios can be identified. Furthermore, these representative OC scenarios cover a wider range of possible system responses than the scenarios selected following the common practice.
 
URI
https:doi.org10.1109TPWRS.2009.2031839
Representative operating and contingency scenarios for the design of UFLS schemes
Tipo de Actividad
Artículos en revistas
ISSN
0885-8950
Materias/ categorías / ODS
Instituto de Investigación Tecnológica (IIT)
Palabras Clave

Clustering methods, frequency stability, load shedding
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