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Development of a qualitative framework for analysing high-impact low-probability events in power systems

Development of a qualitative framework for analysing high-impact low-probability events in power systems

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Sammendrag
High-Impact Low-Probability (HILP) events in power systems historically involve a multitude of aspects, including diverse and disparate threats, failures and sequences of events. Each of these aspects are associated with different types of uncertainties. In practice, the analyst has to make trade-offs between computational efficiency and accuracy in the different aspects that are included in the analysis. Without a clear understanding of the specific problem to be solved and which aspects that are important to capture, elaborate quantitative analysis may be of limited value. This paper presents the development of a qualitative framework for analysing HILP events in power systems. By mapping aspects of power system HILP events to a bow-tie model, it provides a framework for defining, decomposing and delimitating decision problems related to such events. The framework may guide the analyst in the development and application of methods for quantitative analysis and for considering different types of uncertainties.
Oppdragsgiver
  • Norges forskningsråd / 255226
Språk
Engelsk
Forfatter(e)
Institusjon(er)
  • SINTEF Energi AS / Energisystemer
  • Norges teknisk-naturvitenskapelige universitet
År
2018
Forlag
CRC Press
Bok
Safety and Reliability – Safe Societies in a Changing World. Proceedings of ESREL 2018, June 17-21, 2018, Trondheim, Norway
ISBN
9781351174657
Side(r)
1599 - 1607