Abstract
In this paper, a case study is conducted based on the real data obtained for German national electricity grid. The analyzed network represents connections and high-voltage switchgears of 220 and 380 kV lines. Selected graph parameters – the average vertex degree, vertex degree distribution, network efficiency, the clustering coefficient, the average path length, and the graph diameter were examined, taking into account that in the analysis, some nodes were randomly removed, simulating different failures. For each simulated failure, the effects on network parameters were calculated. As a final result, it was shown that in the analyzed case, the removal of only ten nodes could cause a significant fall of graph efficiency. In turn, this means that the whole considered network cannot be treated as a fault-tolerant one.
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Hadaj, P., Strzałka, D. (2021). Analysis of German National Electricity Grid at Risk of Random Damage - Case Study. In: Rocha, Á., Adeli, H., Dzemyda, G., Moreira, F., Ramalho Correia, A.M. (eds) Trends and Applications in Information Systems and Technologies. WorldCIST 2021. Advances in Intelligent Systems and Computing, vol 1368. Springer, Cham. https://doi.org/10.1007/978-3-030-72654-6_1
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DOI: https://doi.org/10.1007/978-3-030-72654-6_1
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