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Optimal Power Flow: Closing the Loop over Corrupted Data
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-1835-2963
KTH, School of Electrical Engineering (EES), Communication Networks. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-4876-0223
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9940-5929
2012 (English)In: 2012 American Control Conference (ACC), IEEE Computer Society, 2012, 3534-3540 p.Conference paper, Published paper (Refereed)
Abstract [en]

Recently the power system state estimator was shown to be vulnerable to malicious deception attacks on the measurements, resulting in biased estimates. In this work we analyze the behavior of the Optimal Power Flow (OPF) algorithm in the presence of such maliciously biased estimates and the resulting consequences to the system operator. In particular, we characterize the set of attacks that may lead the operator to apply the erroneous OPF recommendation. Such characterization is used to improve a previously proposed security index by also considering the attack impact, which may be used for allocation and prioritization of protective measures. Additionally, we propose an analytical expression for the optimal solution of a simplified OPF problem with corrupted measurements. A small analytical example is discussed to illustrate and motivate our contributions.

Place, publisher, year, edition, pages
IEEE Computer Society, 2012. 3534-3540 p.
Series
Proceedings of the American Control Conference, ISSN 0743-1619
Keyword [en]
Power Systems, Optimal Power Flow, Data Corruption, Security
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-103332ISI: 000310776203134Scopus ID: 2-s2.0-84869427279ISBN: 978-1-4673-2102-0 (print)OAI: oai:DiVA.org:kth-103332DiVA: diva2:559767
Conference
American Control Conference (ACC), Montreal, QC, Canada, June 27-29, 2012
Projects
VIKING
Funder
Swedish Research Council, 2007-6350Swedish Research Council, 2009-4565Knut and Alice Wallenberg FoundationICT - The Next Generation
Note

QC 20121113

Available from: 2012-11-13 Created: 2012-10-10 Last updated: 2013-04-15Bibliographically approved

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tdsj_ACC12(399 kB)196 downloads
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Authority records BETA

Sandberg, HenrikDán, GyörgyJohansson, Karl H.

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Teixeira, AndréSandberg, HenrikDán, GyörgyJohansson, Karl H.
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