Statistical analysis of operating times of high voltage SF&lt;inf&gt;6&lt;/inf&gt; circuit breakers

Mabunda, Nkateko E.; Bokoro, Pitshou N.; Nicolae, D.V.

doi:10.1109/eeeic.2016.7555528

2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC) 2016

DOI: 10.1109/eeeic.2016.7555528

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Statistical analysis of operating times of high voltage SF<inf>6</inf> circuit breakers

Nkateko E. Mabunda

Pitshou N. Bokoro

D.V. Nicolae

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Reliability Evaluation of Smart Substation Based on Time-Varying Probabilistic Hybrid Attack Graph

Wen

Dai

et al. 2022

Energies

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A substation is the portion of a power grid that forms a link between the cyber system and the physical system. Reliability evaluation of smart substations based on a time-varying probabilistic hybrid attack graph (TVPHAG) is studied in this paper. First, the topology network of the smart substation is established, whose attributes are represented by probability. Then, in order to solve the problem of asynchrony in the cyber-physical system and the hybrid caused by heterogeneity, time-varying state equation in topology and cuts in algebra are introduced to TVPHAG. Based on TVPHAG, the evaluation of the reliability of cyber-physical systems with multiple equipment and multiple timescales is established. On this basis, the influences of physical conditions, cyberattacks, physical attacks, and cyber-physical attacks on substations are analyzed, respectively. Finally, the simulation shows that the method is effective in evaluating the reliability of smart substations, providing a new method for the evaluation of reliability.

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Reliability Evaluation of Smart Substation Based on Time-Varying Probabilistic Hybrid Attack Graph

Wen

Dai

et al. 2022

Energies

View full text Add to dashboard Cite

show abstract

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Statistical analysis of operating times of high voltage SF<inf>6</inf> circuit breakers

Cited by 1 publication

References 0 publications

Reliability Evaluation of Smart Substation Based on Time-Varying Probabilistic Hybrid Attack Graph

Reliability Evaluation of Smart Substation Based on Time-Varying Probabilistic Hybrid Attack Graph

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