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題 名 | The Design of a Physically Implementable Excitation Controller for Isolated Multimachine Systems=隔絕的多同步機電力系統之實際可行的激磁控制器之設計 |
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作 者 | 陳彥豪; | 書刊名 | 新埔學報 |
卷 期 | 14 1996.05[民85.05] |
頁 次 | 頁265-384 |
分類號 | 448.115 |
關鍵詞 | 多同步機; 電力系統; 激磁控制器; |
語 文 | 英文(English) |
中文摘要 | 本文引介了一有效率的、精準的方法,來設計能穩定隔絕的多同步機系統之實際可行的激磁控制器。文中首先發展出數學模型形成方法,以採用可直接測量之狀態變數來轉換局部地區多機系統為狀態空間形式,因之,轉變了穩定此系統的問題為線性二次高期(LQG)問題。本文接著發展出一適用於任何具有實數及╱或複數極系統的模型減小方法。結合此方法及例如蘇耳漢(Solheim)的極搬移指定步驟便提供了一新的系統穩定法。應用此法,文中發展出一能在廣闊操作範圍下,改良一範例系統之動態穩定的回授激磁控制器。本設計因採用直接可測量的狀態變數,因此,亦產生了實際可行的激磁控制器。 |
英文摘要 | This paper introduces an efficient and accurate method for the design of a physically implementable excitation controller capable of stabilizing isolated multimachine systems. A formulation method is first developed to convert a local-area multimachine system into state space form with directly-measurable state variables and, hence, transform the stabilization of such system into a linear-quadratic-Gaussian (LQG) problem. Next, a model reduction algorithm for any system with real and/or complex poles is developed. Incorporating this algorithm with Solheim's pole-assignment technique as an example provides a new stabilization method. With such method, a feedback excitation controller capable of improving the dynamic stability of an example system under wider-range operation is developed. Using directly-measurable state variables in this design thus makes the resultant excitation controller physically implementable. |
本系統中英文摘要資訊取自各篇刊載內容。