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Power network robustness analysis based on electrical engineering and complex network theory
تجزیه و تحلیل استحکام شبکه قدرت بر اساس مهندسی برق و نظریه شبکه پیچیده-2021 The growing importance of power systems in the development of modern society
has increasingly focused the attention on the various dangers to which these systems
are exposed. This paper proposes a robust analysis framework based on complex
network theory with the aim of exploring the robustness of the power system from a
methodological perspective. The analysis framework establishes three models: a purely
topological model, an artificial flow model, and a direct current power flow model to
analyze the power system structure and functional robustness. We present different
analysis metrics under different models, simulate three fault scenarios, and conduct
an evaluation and analysis. The validity of the evaluation analysis was further verified
by adopting IEEE300 and two randomly generated 1000-node network models that
meet the characteristics of small world and scale, respectively, for detailed robustness
analysis. The results show that the proposed method can effectively analyze a power
system from the perspectives of pure topology, artificial flow, and direct current power
flow. The case analysis based on the IEEE300 network and systems with different
network characteristics proves that the framework is effective for the evaluation of
power systems with different characteristics.
Keywords: Power network | Robustness | Topological model | Artificial flow | Direct current power flow |
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