非線形動的システム理論に基づく発電機動揺の動特性解析

DOI Web Site Web Site 被引用文献12件 参考文献5件

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タイトル別名
  • A Method for Analysis of Dynamics in Generator Swing Based on Nonlinear System Theory
  • ヒセンケイ ドウテキ システム リロン ニ モトヅク ハツデンキ ドウヨウ ノ ドウトクセイ カイセキ

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抄録

Power system is a dynamic system which includes several kinds of nonlinear elements. According to nonlinear analyses using the Hopf bifurcation theory, it is detected that a limit cycle exists around an operating point, which may affect the stability of power system significantly. This paper presents a numerical method to analyze the nonlinear characteristics in power systems by observing the power swing after some perturbation where the coefficients of nonlinear terms are determined by using the least mean square method. The effectiveness of the proposed method is confirmed through some numerical analyses. The transient stability is evaluated by using the method. The result shows that the region of stability is occasionally narrower than that is evaluated by the classical method.

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