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Diagnosis of Power System Protection

  • Rui D. Jorge
  • Carlos V. Damásio
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4031)

Abstract

Power systems are naturally exposed to several fault conditions, namely short-circuits. Automatic protection and control systems are responsible for selective tripping of faulted devices and their subsequent reconnection.

An application to automatically diagnosing abnormal conditions in power distribution network substations is described in this work. It is based on a model of the power network and the associated protection and control system. Its main purpose is to assist in the analysis of protection device records, explain the observed operations and detect possible misbehavior. This application is specified and implemented using a combination of Logic Programming tools and techniques, in particular non-monotonic reasoning. The model is structured in several abstraction levels and a set of strategies and preferences is used to guide the diagnosis process.

The developed application was tested with several substation configurations, including sequences of events recorded at real installations.

Keywords

Logic Program Protection Device Circuit Breaker Power Network Diagnosis Process 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Rui D. Jorge
    • 1
  • Carlos V. Damásio
    • 2
  1. 1.EFACEC Sistemas de Electrónica S.A.CarnaxidePortugal
  2. 2.Centria, Universidade Nova de LisboaPortugal

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