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研究生:蔡禮俊
研究生(外文):Lii-jiunn Tsay
論文名稱:具主動式電力濾波器功能之三相不斷電系統之研究
論文名稱(外文):Study of Three Phases Uninterruptible Power Supply With the Function of Active Power Filters
指導教授:洪宗良林進聰林進聰引用關係林伯仁
指導教授(外文):Zong-Liang HongJin-Cong LinBor-Ren Lin
學位類別:碩士
校院名稱:國立雲林科技大學
系所名稱:電機工程系碩士班
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:2003
畢業學年度:91
語文別:中文
論文頁數:179
中文關鍵詞:三相不斷電系統濾波器變流器
外文關鍵詞:three phases uninterruptible power supplyinverterfilter
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本文旨在分析及模擬具有主動式濾波器功能之三相不斷電系統,當電源正常供電時,可藉由轉換器及直流端之直流降壓截波器來執行並改善電源側之功率因數、消除電流諧波及對蓄電池充電之功能;當電源斷電時,可將電池之電力藉由直流昇壓截波器,透過變流器釋放,以提供負載所需電力。
在AC-DC電力轉換器或DC-AC變流器方面,本文使用同一組之三相四臂轉換器之架構,以便獲得其三相四線之輸出。本文利用轉換矩陣將平衡或不平衡之非線性負載電壓或電流,轉換並對應到交、直及零軸下之獨立且非時變之量,以做為控制用之參數。
首先,我們利用電路分析以建立由系統狀態方程式推導之數學模型,其次,再利用兩種控制方法:一為正弦脈波寬度調變,一為磁滯電流控制,來完成整個系統之功能,最後並以Matlab/Simulink來分析、模擬電路及控制架構,以證實其可行性。
This thesis presents the analysis and simulation of a uninterruptible power supply system with the function of active power filter. When the utility is in normal operation, the proposed system will not only supply DC power for battery charging, but also function as an active power filter for improving the power factor. When the utility fails, the proposed system will function as an inverter immediately to supply the battery power to the loads.
A four-leg power converter is used in the three-phase four-wire system. Transformation of converter(inverter) system equations from three-phase system to synchronous rotating frame is exercised to facilitate the independent control of voltage and current for balanced, unbalanced as well as he nonlinear loads.
Firstly, we derive the mathematical modes and analyze the properties of the systems. Next, there are two kinds of control method for the adopted system: one is the sinusoidal pulse width modulation method (SPWM), and the other is the saturation current control method. Family, simulations are made to confirm the validity of the proposed control algorithm.
中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vii
圖目錄 viii
符號說明 xvi
一、 緒論 1
1.1 研究動機 1
1.2 相關文獻 2
1.3 研究方法 2
1.4 論文綱要 3
二、 主要電路分析 4
2.1 非線性負載分析 4
2.1.1 非線性負載瞬時功率 4
2.1.2 非線性負載的諧波電流分析 6
2.2 座標軸轉換 10
2.3 主動式電力濾波器簡介 13
2.3.1 被動與主動之間 13
2.3.2 並聯式主動濾波器 15
2.3.2.1 負載特性 15
2.3.2.2 並聯式主動電力濾波器之分類 17
2.3.2.3 並聯式主動電力濾波器之控制策略 20
2.4 不斷電系統概論 24
2.4.1 不斷電系統的分類 24
2.4.2 變頻器的控制策略 26
2.4.3 不斷電系統之蓄電池儲能系 28
三、 並聯式主動電力濾波器 30
3.1 前言 30
3.2 電路分析 30
3.3 數學模型 32
3.4 控制迴路之設計 33
3.4.1 弦式脈波寬度調變策略(SPWM) 33
3.4.2 磁滯電流控制 33
四、 直流-交流功率轉換器 43
4.1 前言 43
4.2 三相三臂直流-交流功率轉換器(變頻器)不適用於不平衡負載 43
4.3 三相四臂直流-交流功率轉換器 46
4.3.1 數學模型 46
4.3.2 控制迴路之設計 49
4.3.2.1 弦式脈波寬度調變策略(SPWM) 49
4.3.2.2 磁滯電流控制 53
五、 具主動式力濾波器功能之三相不斷電系統 56
5.1 前言 56
5.2 系統架構與操作模式 56
5.2.1 單模組不斷電系統 56
5.2.2 多模組並聯不斷電系統 57
5.3 數學模型 60
5.3.1 市電正常供電(主動式電力濾波器及儲能模式) 60
5.3.2 市電斷電(變流器及釋能模式) 61
5.4 控制迴路的設計 62
5.4.1 弦式脈波寬度調變策略(SPWM) 62
5.4.1.1 市電正常供電(主動式電力濾波器及儲能模式) 62
5.4.1.2 市電斷電(變流器及釋能模式) 63
5.4.2 磁滯電流控制策略 66
5.4.2.1 市電正常供電(主動式電力濾波器及儲能模式) 66
5.4.2.2 市電斷電(變流器及釋能模式) 67
5.5 不斷電系統之並聯策略 70
5.5.1 並聯架構 70
5.5.2 正常供電(主動式電力濾波器與儲能模式之並聯) 70
5.5.3 市電斷電(變流器與釋能模式之並聯) 73
5.5.4 市電斷電(變流器與釋能模式之並聯) 76
六、 模擬波形 79
6.1 模擬系統規格 79
6.1.1 主動式並聯電力濾波器及直流-交流功率轉換器 79
6.1.2 負載規格 79
6.2 三相三線並聯式主動電力濾波器模擬波形 80
6.2.1 負載為圖2-1三相三線式平衡非線性負載(電壓型) 80
6.2.1.1 SPWM控制 80
6.2.1.2 磁滯電流控制 81
6.2.2 負載為圖2-2三相三線式平衡非線性負載(電流型) 83
6.2.2.1 SPWM控制 83
6.2.2.2 磁滯電流控制 85
6.2.3 負載為圖2-3三相四線式非線性丕衡/不平衡負載 87
6.2.3.1 SPWM控制 87
6.2.3.2 磁滯電流控制 92
6.2.4 負載為圖2-4三相四線式電感-電阻型負載 98
6.2.4.1 SPWM控制 98
6.2.4.2 磁滯電流控制 102
6.3 直流-交流功率轉換器(變頻器)模擬波形 110
6.3.1 負載為圖2-3三相四線式平衡/不平衡負載 110
6.3.1.1 SPWM控制 110
6.3.1.2 磁滯電流控制 115
6.3.2 負載為圖2-4三相四線式電感-電阻型平衡/不平衡負載 119
6.3.2.1 SPWM控制 119
6.3.2.2 磁滯電流控制 125
6.4 單模組三相四線式不斷電系統模擬波形 130
6.5 三相四線式不斷電系統並聯模擬波形(3部) 140
七、 結論 151
參考文獻 152
自傳 157
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