NDLI: Credibility-based secure distributed load frequency control for power systems under false data injection attacks

Content Provider	IET Digital Library
Author	Hu, Zhijian Liu, Shichao Luo, Wensheng Wu, Ligang
Abstract	In the distributed load frequency control (DLFC) scheme, the compromised areas by attackers may endanger the stable and reliable operation of the entire power system. A credibility-based secure DLFC strategy is in this work proposed to sustain the stable operation of the power system under false data injection attacks. In this secure DLFC method, the gradient-variation-based credibility metrics are defined to detect potential attacked measurements. Then, the communication isolation decisions are made based on the adaptive thresholds. To compensate the impact of the communication isolation of misbehaving areas, predictions of future measurements by using the average gradient variation of stored healthy data are feeded back to the area controller. Simulation results of a four-area power system show the proposed secure DLFC can identify and cut off the communication of the misbehaving areas and still maintain the stability of the power system.
Starting Page	3498
Ending Page	3507
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 17, Sep (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0389
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-06-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Area Controller Average Gradient Variation Communication Isolation Decisions Compromised Areas Computerised Instrumentation Control of Electric Power System Credibility-based Secure DLFC Data Acquisition System Data Security Distributed Load Frequency Control Scheme Distributed Power Generation Entire Power System False Data Injection Attack Four-area Power System Frequency Control Gradient-variation-based Credibility Metrics Load Regulation Misbehaving Areas Potential Attacked Measurement Power System Control Power System Security Reliability Secure DLFC Method Security of Data Stable Operation Stored Healthy Data Telecommunication Security
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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