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Electric Power Grids and Blackouts in Perspective of Complex Networks

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6 Author(s)
Wen-Jie Bai ; Dept. of Electron. Sci. & Technol., Univ. of Sci. & Technol. of China, Hefei ; Tao Zhou ; Zhong-Qian Fu ; Yu-Han Chen
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In this paper, a brief review of blackouts on electric power grids is given. Firstly, we sum up the holistic topological characters of electric power grids, including their small- world effects, exponential degree distributions, power-law load distributions, and robustness intervenient between Possian and scale-free networks. And then, we investigate the self-organized criticality in electric transmission dynamics, and suggest a new measure, the time length of power shortage, to estimate the size of blackouts. The empirical results strongly support the recent theoretical hypothesis of the existence of self-organized critical behaviors. Finally, in perspective of complexity science, the mainstream theoretical and engineering models aiming at traffic and cascading dynamics on electric power grids are briefly reviewed.

Published in:

Communications, Circuits and Systems Proceedings, 2006 International Conference on  (Volume:4 )

Date of Conference:

25-28 June 2006