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False Data Injection Attacks Against Synchronization Systems in Microgrids
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DOI：10.1109/TSG.2021.3080693.png)
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Abstract
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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.
Keywords:
Synchronization
Microgrids
Generators
Computer crime
Synchronous generators
Power system stability
Frequency synchronization
Cyber-physical systems
resilience
cyberattack
power system restoration
synchronization systems
microgrids
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