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研究生:張丁興
研究生(外文):Ding-Hsin Chang
論文名稱:電力系統潮流控制器靜態模型建立及其應用
論文名稱(外文):Static Modeling Developments of Unified Power Flow Controllers and Its Applications in Power Systems
指導教授:朱家齊朱家齊引用關係
學位類別:碩士
校院名稱:長庚大學
系所名稱:電機工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2001
畢業學年度:89
語文別:中文
中文關鍵詞:電力潮流控制器靜態模型電力潮流
外文關鍵詞:upfcstatic modelPower Flow
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近年來於電力系統中裝設UPFC以控制潮流,已成為一種趨勢。UPFC為一高速、低成本之電力電子裝置,可藉其控制原理來改變傳輸線之潮流不至於超出傳輸線物理上下限、減少傳輸損失、增加穩定度、符合契約規定等等,進而達到機組調度的目的。
本論文著重於UPFC之潮流靜態模型的建立與應用,首先簡介UPFC之基本功能與控制模式,與兩個最具代表性的UPFC靜態模型,雙電壓源模型[5]與電壓-電流源模型[3],並以理論推導與IEEE 57Bus實際案例驗證,此兩模型在忽略並聯變壓器損失時為等效。在比較兩模型之優缺點後,選擇電壓-電流源模型研究UPFC的安裝,對於系統的各種影響。

Using the Unified Power-Flow Controller (UPFC) to control power flow becomes a new trend in today’s power industry. By use of such high-speed and low-cost power electronic devices, the line flows can be changed in such a way that thermal limits are not exceeded, losses minimized, stability increased, contractual requirements fulfilled, etc. without violating the economic generation dispatch.
The thesis aims to study static UPFC models for power flow calculations. Basic operation and control principles of UPFCs will be briefly reviewed. A new comprehensive UPFC model will be developed. It will be verified that several existing models can be treated as special cases of this new model. The program implementation issues will be addressed in details. Practical power system data will be used to demonstrate the feasibility and efficiency of the proposed method. Several design guidelines for installing UPFCs will also be proposed.

第一章緒論……………………………………………………….. 1
1.1 研究動機與目的…………………………………………. 1
1.2主要貢獻…………………………………………………. 2
1.3 論文架構………………………………………………. 3
第二章UPFC基本原理………………………………………….... 5
2.1 簡介………………………………………………………. 5
2.2電力潮流控制之基本觀念………………………………... 6
2.2.1 廣義的潮流控制器……………………………….... 6
2.2.2 串聯電壓源對輸電線圓線圖的影響…………….... 10
2.3 UPFC之基本原理………………………………………. 13
2.3.1 UPFC基本架構…………………………………….... 13
2.3.2 UPFC之基本工作原理……………………………… 16
2.4 UPFC的工作模式與額定………………………………. 17
2.4.1 UPFC中各元件簡介……………………………. 17
2.4.2 UPFC的額定與容量…………………………..… 20
2.5 結論………………………………………………………. 21
第三章UPFC加入電力潮流之模型探討…………………………. 22
3.1 前言………………………………………………………. 22
3.2雙電壓源模型………………………………………….. 22
3.2.1 UPFC之雙電壓源模型.……………………………. 22
3.2.2 UPFC雙電壓源模型之潮流方程式………………. 24
3.2.3 以牛頓-拉福森法求解電力潮流方程式…………… 26
3.2.4 初始條件之選擇…………………………………… 29
3.3 UPFC之電壓-電流源模型…………………………….... 30
3.3.1 UPFC電壓-電流源模型之潮流方程式與潮流計算 31
3.3.2 UPFC電壓-電流源模型之控制變數計算………….. 35
3.4雙電壓源模型與電壓-電流源模型的比較……………… 36
3.4.1 等效電路與實際物理量之比較……………………. 36
3.4.2潮流運算結合狀態變數的比較…………………… 37
3.5雙電壓源模型與電壓-電流源模型的等效……………..… 38
3.6 結論……………………………………………..……. 41
第四章 模型等效驗證與案例研究……………………………… 42
4.1雙電壓源模型與電壓-電流源模型之等效驗證.…………. 42
4.1.1模型的等效驗證……………………………………. 42
4.1.2 UPFC作潮流控制時對鄰近匯流排電壓的影響. 57
4.1.3 系統賈克比矩陣之奇異值的變化…………………. 59
4.1.4 兩模型收斂速度的比較…………..………………. 62
4.2 結論………………………………………………………. 69
第五章 結論與未來研究方向…..…………………….…………… 70
5.1 結論與討論……………………………………………. 70
5.2 未來研究方向………..……………………………………. 71

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