臺灣博碩士論文加值系統

由於科技的進步，非線性負載已廣泛應用於生活周遭，非線性負載產生之諧波電流及造成諧波電壓降，使得電力系統中諧波污染日益嚴重。而主動式電力濾波器乃利用電力電子技術來提高電力品質。主動式電力濾波器可分為並聯式、串聯式、串並聯式和混合式。本文旨在分析與模擬整合型功率品質調整器，此整合型功率品質調整器以串聯式主動濾波器和並聯式主動濾波器結合而成的。整合型功率品質調整器主要做電壓閃爍、電壓不平衡、虛功及諧波之補償。首先，我們以電路分析方法建立狀態方程式之數學模型，其次利用兩種控制方法：磁滯電流控制及正弦脈波調變來完成整體系統之功能。最後並以Matlab/Simulink來分析、模擬電路及控制架構，以驗證其可行性。

Because the development of science and technology, the non-linear loads have used by the side of livelihood. The non-linear load generates harmonic current and voltage into the power system which will result in serious power pollution in the transmission and distribution systems. Active power filters based on the power electronic technology have been proposed to improve the power quality.
Active power filters (APF) are classified into shunt APF, series APF, combination of shunt and series APF, and hybrid APF. This thesis presents the system analysis and control scheme of unified power quality conditioner (UPQC). The main purposes of unified power quality conditioner are to compensate the voltage flicker, voltage unbalance, reactive, and harmonics. First, the mathematical models and the propeteries of the system are derived. Next, there are two kinds of control methods in the adopted system: one is the hysteresis band control and the other is sinusoidal pulse width modulation (SPWM). Finally, simulations are made to confirm the validities of the control algorithm.

中文摘要
英文摘要
誌謝
目錄
表目錄
圖目錄
符號說明
一、導 論
1-1 研究之背景、目的
1-2 主動式濾波器之研究動機
1-3 相關文獻之探討
1-4 論文概要
二、 電力品質污染之探討
2-1 諧波介紹
2-1-1 台電諧波標準介紹
2-1-2 諧波定義
2-1-3 電力系統諧波來源
2-1-4 諧波之影響
2-1-5 諧波之改善方法
2-2 電壓不平衡
2-2-1 造成系統三相不平衡現象之因素
2-2-2 電壓不平衡對三相負載之影響
2-2-3 電壓不平衡之改善方法
2-3 電磁干擾
2-4 電壓驟降
2-5 電壓閃爍
三、 並聯式主動電力濾波器
3-1 操作原理
3-2 並聯式主動電力濾波器之系統架構
3-3 主電路數學模型
3-4 補償電流命令之計算方法介紹
3-4-1 時域之瞬時虛功理論法
3-4-2 頻域之同步軸法
3-5 電容電壓控制平衡之穩壓迴路
3-6 脈波寬度調變方法之比較
3-6-1 磁滯電流控制
3-6-2 正弦脈波寬度調變控制
四、 串聯式主動電力濾波器
4-1 前言
4-2 操作原理
4-3 串聯式主動電力濾波器之系統架構
4-4 主電路數學模型
4-5 補償電壓命令之計算
4-6 控制方法
五、 整合型串並聯式主動電力濾波器
5-1 操作原理
5-2 整合型電力品質調整器之系統架構
5-3 主電路數學模型
5-4 控制方法
六、 模擬波形
6-1 前言
6-2 整合型串並聯式主動濾波器線性負載之模擬結果
6-2-1 平衡電壓與平衡負載
6-2-2 不平衡電壓與平衡負載
6-2-3 不平衡電壓與不平衡負載
6-2-4 諧波電壓與不平衡負載
6-2-5 諧波電壓加不平衡電壓與不平衡負載
6-3 整合型串並聯式主動濾波器非線性負載之模擬結果
6-3-1 不平衡電壓與平衡負載
6-3-2 不平衡電壓與不平衡負載
6-3-3 諧波電壓與平衡負載
6-3-4 諧波電壓與不平衡負載
6-3-5 諧波電壓加不平衡電壓與不平衡負載
6-3-6 電壓閃爍與不平衡負載
6-4 整合型串並聯式主動濾波器非線性負載之模擬結果
6-4-1 不平衡電壓與平衡負載
6-4-2 不平衡電壓與不平衡負載
6-4-3 三相過電壓與平衡負載
6-4-4 電壓驟降與平衡負載
6-4-5 電壓驟升與不平衡負載
6-4-6 電壓閃爍與平衡負載
6-4-7 電壓閃爍與不平衡負載、閃爍負載
6-4-8 不平衡加諧波電壓與不平衡負載、閃爍負載
七、 結論與展望
7-1 結論
7-2 未來展望
參考文獻
自傳

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