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- 利用模擬結晶法決定最佳激磁控制器增益以抑制同步發電機之振盪
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題名 | 利用模擬結晶法決定最佳激磁控制器增益以抑制同步發電機之振盪=Determining Optimal Excitation Controller Gains via a Simulated Annealing Approach for Damping Synchronous Generator Oscillations |
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作者 | 李象; Lee, Shun; |
期刊 | 正修學報 |
出版日期 | 20001200 |
卷期 | 13 2000.12[民89.12] |
頁次 | 頁129-136 |
分類號 | 448.2 |
語文 | chi |
關鍵詞 | 模擬結晶法; 激磁控制器; 同步發電機; |
中文摘要 | 本文提出一種決定激磁控制器之最佳增益的新方法以抑制同步發電機之振盪。所決定出的增益是適合於各種不同工作條件下來操作。方法中,電力系統穩定度問題被表示成一最佳規劃問題。此規劃問題由一目標函數及一組限制條件來加以描述。文中採用了模擬結晶法來求解該規劃問題,同時也發展一找尋控制器之最佳增益值的演算法。為使所決定出的增益值可在不同工作條件下獲得良好阻尼效果及保證該增益被實現的可行性,一工作點的式樣圖及增益參數的可行解空間分別地被建構與建立起來。為驗證所提的控制器在抑制同步發電機振盪方面的性能,本文採用了一單機-無限匯流排的電力系統當測試系統。經由特徵值分析、時域模擬分析結果,確認了以模擬結晶法設定激磁控制器之最佳增益的有效性。 |
英文摘要 | A new approach to determine optimal excitation controller gains for various operating condition to damp synchronous generator oscillations was proposed in this paper. In the introduced method, the stability problem in power systems was formulated by an optimization programming problem. This problem was described by an objective function and a set of constraints. A simulated annealing (SA) approach was adopted to solve this problem and an effective algorithm for searching optimal gain parameters was developed in the text. For the purpose that the optimal gains determined can also give good damping under different operating points and ensure the implementation for these determined parameters, an operating point's pattern (OPP) and a feasible solution space of controller gain parameters were constructed and established, respectively. A single machineinfinite bus power system was used to examine the performances for damping synchronous generator oscillations. From eigenvalue analysis and time domain simulation results, the validity by using a simulated annealing approach to set optimal excitation controller gains is therefore verified. |
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