Node-wise robustness against fluctuations of power consumption in power grids

Motoki Nagata, Naoya Fujiwara, Gouhei Tanaka, Hideyuki Suzuki, Eiichi Kohda, Kazuyuki Aihara

研究成果: Article

8 引用 (Scopus)

抜粋

We propose a new concept of node-wise robustness of power grids under variation of effective power in one load node using a mathematical model that takes into account the change in voltage and reactive power of load nodes. We employ the topology of the power grid in eastern Japan. We define the robustness as the threshold value of the effective power, above which the steady state loses its stability. We show that the robustness is highly heterogeneous among the load nodes. We find that the shortest path length from generators is most highly correlated with the robustness of the load nodes. We numerically demonstrate that the supply of reactive power enhances the robustness.

元の言語English
ページ(範囲)2549-2559
ページ数11
ジャーナルEuropean Physical Journal: Special Topics
223
発行部数12
DOI
出版物ステータスPublished - 2014 10 1
外部発表Yes

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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