Modeling and Fault Propagation Analysis of Cyber–Physical Power System

Xiaoxiao Guo, Yanghong Tan and Feng Wang
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Xiaoxiao Guo: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Yanghong Tan: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Feng Wang: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China

Energies, 2020, vol. 13, issue 3, 1-22

Abstract: In cyber–physical power systems (CPPSs), the interaction mechanisms between physical systems and cyber systems are becoming more and more complicated. Their deep integration has brought new unstable factors to the system. Faults or attacks may cause a chain reaction, such as control failure, state deterioration, or even outage, which seriously threatens the safe and stable operation of power grids. In this paper, given the interaction mechanisms, we propose an interdependent model of CPPS, based on a characteristic association method. Utilizing this model, we can study the fault propagation mechanisms when faulty or under cyber-attack. Simulation results quantitatively reveal the propagation process of fault risks and the impacts on the CPPS due to the change of state quantity of the system model.

Keywords: cyber–physical power system; interdependent model; fault propagation analysis; smart grid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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