False Data Injection Attacks Against Synchronization Systems in Microgrids

Synchronization systems play a vital role in the day-to-day operation of power systems and their restoration after cascading failures. Hence, their resilience to cyberattacks is imperative. In this paper, we demonstrate that a well-planned false data injection attack against the synchronization syst...

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Bibliographic Details
Published in:IEEE transactions on smart grid 2021-09, Vol.12 (5), p.4471-4483
Main Authors: Mohamed, Amr S., Arani, Mohammadreza Fakhari Moghaddam, Jahromi, Amir Abiri, Kundur, Deepa
Format: Article
Language:English
Subjects:
Blackout
Computer crime
Cyber-physical systems
cyberattack
Distributed generation
Frequency synchronization
Generators
Microgrids
power system restoration
Power system stability
Resilience
Stability analysis
Synchronism
Synchronization
synchronization systems
Synchronous generators
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Summary:Synchronization systems play a vital role in the day-to-day operation of power systems and their restoration after cascading failures. Hence, their resilience to cyberattacks is imperative. In this paper, we demonstrate that a well-planned false data injection attack against the synchronization system of a generator is capable of causing tripping subsequently leading to instability and blackout. We present an analytical framework behind the design and implementation of the proposed cyberattack. Moreover, we derive and discuss the conditions for which a cyberattack interfering with a synchronizing signal can be successful. Effective physical mitigation strategies are then proposed to improve the cyber-resilience of synchronization systems. The proposed cyberattack model and mitigation strategies are verified for a microgrid test system using an OPAL-RT real-time simulator.
ISSN:1949-3053
1949-3061
DOI:10.1109/TSG.2021.3080693