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Correlated Failures of Power Systems: Analysis of the Nordic Grid
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
TRUST Center, University of California, Berkeley.
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0001-9940-5929
Vise andre og tillknytning
2011 (engelsk)Inngår i: Preprints of Workshop on Foundations of Dependable and Secure Cyber-Physical Systems, 2011Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this work we have analyzed the effectsof correlated failures of power lines on the total systemload shed. The total system load shed is determined bysolving the optimal load shedding problem, which is thesystem operator’s best response to a system failure.We haveintroduced a Monte Carlo based simulation framework forestimating the statistics of the system load shed as a functionof stochastic network parameters, and provide explicitguarantees on the sampling accuracy. This framework hasbeen applied to a 470 bus model of the Nordic power systemand a correlated Bernoulli failure model. It has been foundthat increased correlations between Bernoulli failures ofpower lines can dramatically increase the expected valueas well as the variance of the system load shed.

sted, utgiver, år, opplag, sider
2011.
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-74469OAI: oai:DiVA.org:kth-74469DiVA, id: diva2:489680
Konferanse
Workshop on Foundations of Dependable and Secure Cyber-Physical Systems (FDSCPS). Chicago, Illinois. April 11, 2011
Forskningsfinansiär
ICT - The Next Generation
Merknad
QC 20120412Tilgjengelig fra: 2012-02-03 Laget: 2012-02-03 Sist oppdatert: 2012-06-13bibliografisk kontrollert

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Johansson, Karl HenrikSandberg, Henrik

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