Journal
IEEE ACCESS
Volume 6, Issue -, Pages 8841-8851Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2018.2801861
Keywords
False data injection attack; contingency analysis; state estimation; security constrained economic dispatch
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Funding
- Korea Electric Power Corporation [R17XA05-75]
- National Research Foundation of Korea Grant, Korea Government (MSIP) [2015R1C1A1A01051890.]
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In this paper, a new class of false data injection attacks (FDIAs) on contingency analysis (CA) through state estimation (SE) is proposed, and the economic impact of the proposed attacks on real-time power market operations is quantified. Compared with the existing FDIAs, where no contingency analysis is considered for attack targets, we present a new attack strategy with which the adversary stealthily drops or adds contingency pairs of transmission line flows from or to a normal contingency list by misleading the CA process through injecting false data into SE. The manipulated contingency pairs are then embedded as security constraints into operating constraints of security-constrained economic dispatch. As a result, the proposed attacks lead to the miscalculation of locational marginal price (LMP) in real-time power markets. The capability and economic impact of the proposed attack, such as a list of manipulated contingency line pairs, attack effort, and LMP deviation from normal price, are illustrated in the IEEE 14-bus system.
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