A Consideration on the Accuracy of Various Synchronous Machine Models for Power System Transient Stability Analysis

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  • 各種同期機モデルの電力系統過渡安定度解析における精度に関する一考察
  • カクシュ ドウキキ モデル ノ デンリョク ケイトウ カト アンテイド カイセキ ニ オケル セイド ニ カンスル イチ コウサツ

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A bstract: This paper presents a consideration on the accuracy of various types of approximate models of synchronous machines for power system transient stability simulations. Synchronous machines are, in general, expressed by the d, q axis Park model in the simulations. However, there are several types of approximate models. In the first half of this paper, accuracy of 4 models is evaluated by performing numerical simulations for three phase short circuit fault in a model system. In the second half of the paper, accuracy of the standard model with one q-axis damper circuit and the detailed model with two q-axis damper circuits is discussed for analyzing the transient stability of turbine generators with solid rotors.

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