• Liisa Haarla
  • Mikko Koskinen
  • Ritva Hirvonen
  • Pierre-Etienne Labeau
Part of the Power Systems book series (POWSYS)


The basic functions of our modern society are dependent on electricity supply. Lighting, water supply, heating, traffic and fuel supply, food storage and delivery, payment transactions, telecommunication, and information systems are heavily affected by interruptions. Therefore, the electricity system can be regarded today as the most important infrastructure.

The introduction of electricity markets has brought economic aspects and cost awareness more in focus. The importance of the power system and the requirement to be effective have forced the system operators to analyze more in detail the benefits and costs of investments and maintenance in the power system. Furthermore, the effects of unreliable electricity supply on modern society have been under consideration. The method presented in this book is an approach to treat the security systematically using an established reliability method, probabilistic safety analysis, PSA. The method suits best for the power systems where the dynamic behaviour after faults plays a role and the stability has to be considered.


Power System Modern Society Electricity Market Electricity System Electricity Supply 
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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    Kirschen DS (2002) Power system security. Power Eng Journ 16(5):241–248CrossRefGoogle Scholar
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    Kariyki KK, Allan RN (1996) Evaluation of reliability worth and value of lost load. IEE Proc Gener Transm Distrib 143(2):171–180CrossRefGoogle Scholar
  3. 3.
    CEER (2008) 4th benchmarking report on quality of electricity supply. Ref: C08-EQS-24-04. Accessed 13 May 2010

Copyright information

© Springer-Verlag London Limited  2011

Authors and Affiliations

  • Liisa Haarla
    • 1
  • Mikko Koskinen
    • 2
  • Ritva Hirvonen
    • 2
  • Pierre-Etienne Labeau
    • 3
  1. 1.Department of Electrical EngineeringAalto University School of Electrical EngineeringAaltoFinland
  2. 2.Fingrid OyjHelsinkiFinland
  3. 3.Université Libre de Bruxelles Service de Métrologie NucléaireBruxellesBelgium

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