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題名 | 低頻振盪與電壓崩潰判別式 |
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作者 | 郭宗益; | 書刊名 | 台電工程月刊 |
卷期 | 549 1994.05[民83.05] |
頁次 | 頁20-32 |
分類號 | 448.115 |
關鍵詞 | 電力系統微分代數模型; 低頻振盪; 電壓崩潰; 動態/靜態穩定度; 分歧; 傑氏矩陣; 網路因果性; Differential -algebraic model; Low frequency oscillation; Voltage collapse; Dynamic/static stability; Bifurcation; Jacobian matrix; Network casuality; |
語文 | 中文(Chinese) |
中文摘要 | 本文主要目的是推導出易於檢測電力系統低頻振盪與電壓崩潰的判別 式--由動態與靜態分歧矩陣定義之。以靜態矩陣檢測電壓崩潰可以不必求高因次 非對稱網路矩陣之反矩陣,且經證明與電力潮流矩陣極為近似,是以一般電力潮 流模型足以近似地分析電壓特性。低頻振盪則以動態矩陣檢測之,應用控制系統 的穩定特性,本文導出不同的動態矩陣判別式,它們足以精確指出低頻振盪必為 轉軸與磁通模式。又基於結構化動態模型,各電力系統成份亦明確顯示於各檢測 矩陣。 |
英文摘要 | This paper develops easily-performed test matrices-dynamic andstatic bifurcation matrices-to identify the proximity to or theoccurrence of low frequency oscillation and voltage collapse of a fairlycomplete power system differential-algebraic model. The identificationof voltage collapse is based on the static matrix, which does not requirethe inverse of the high-dimensional and asymmetric network matrixand is comprehensively shown to be virtually identical to the load flowmatrix. The estimation of low frequency oscillation is based on thedynamic matrix. Using the stability property of control systems, differentforms of the dynamic matrix are established such that the modes ofoscillation can be precisely illustrated to be associated with themechanical (rotor) and flux decay dynamics. Moreover, based on thestructural representation of the model, the effect of each pwoer systemcomponent can also be clearly shown in test matrices. |
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