Cascade failure in a phase model of power grids

Hidetsugu Sakaguchi, Tatsuma Matsuo

    研究成果: Contribution to journalArticle

    8 引用 (Scopus)

    抜粋

    We propose a phase model to study cascade failure in power grids composed of generators and loads. If the power demand is below a critical value, the model system of power grids maintains the standard frequency by feedback control. On the other hand, if the power demand exceeds the critical value, an electric failure occurs via step out (loss of synchronization) or voltage collapse. The two failures are incorporated as two removal rules of generator nodes and load nodes. We perform direct numerical simulation of the phase model on a square lattice and a scale-free network and compare the results with a mean-field approximation.

    元の言語英語
    記事番号074005
    ジャーナルjournal of the physical society of japan
    81
    発行部数7
    DOI
    出版物ステータス出版済み - 7 1 2012

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy(all)

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