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原文連結
論文資訊
- 類型：已發表論文
- 日期：2014-06-09
摘要
The cheapest and thus widespread way to add new generators to a high-voltage power grid is by a simple tree-like connection scheme. However, it is not entirely clear how such locally cost-minimizing connection schemes affect overall system performance, in particular the stability against blackouts. Here we investigate how local patterns in the 網絡 topology influence a power grid's ability to withstand blackout-prone large perturbations. Employing basin stability, a 非線性 concept, we find in numerical simulations of artificially generated power grids that tree-like connection schemes-so-called dead ends and dead trees-strongly diminish stability. A case study of the Northern European power system confirms this result and demonstrates that the inverse is also true: repairing dead ends by additi
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