臺灣博碩士論文加值系統

近年來，電力電子裝置產生之電力諧波所引起電力劣化的問題己漸受重視。因此，本論文主要針對諧波改善提出解決方法。其論文內容主要有兩個部份，第一個部份是在系統中加入一並聯型主動式電力濾波器，其功能是透過偵測設備得到非線性負載之諧波大小及相角，再由主動式濾波器產生一大小相同及相角相反之諧波組合，以抵消非線性負載產生之諧波。但通常在追補償電流的效果會因訊號延遲等現象而影響效果，所以本論文在第二個部份中即是加入適應性控制法則來解決上述問題。這樣一來即可獲得更正確的補償電流，使之可以提升諧波消除的效果。

Recently, the problem of power quality aggravation caused by power harmonic produced because of power electronic equipments has been concerned. So this thesis is mainly focused on the improvement of harmonic problem to propose solution. The content in the thesis has two parts: the first is to add a parallel active power filter in system, whose function is to get the same scale and phase of nonlinear load through sensing equipment and then product the combination of the same scale but opposite phase by active filter to cancel the harmonic caused by nonlinear load. Because the phenomenon of signal delay will affect the result of tracking compensated current, in the second part of this thesis it also adds the adaptive control method to solve the above-mentioned problem. In this way it can get more correctly compensated current to improve the effect of harmonic cancellation.

摘要.............................................Ⅰ
英文摘要.........................................Ⅱ
誌謝.............................................Ⅲ
目錄.............................................Ⅳ
圖表目錄.........................................Ⅶ
符號表.........................................ⅩⅡ
第一章 緒論.....................................1
1.1 研究動機與目的..............................1
1.2 研究方法....................................4
1.3 內容大綱....................................6
第二章 主動式電力濾波器之基本原理及架構.........8
2.1 主動式電力濾波器架構之研究..................8
2.1.1 並聯型主動式濾波器之基本原理..............8
2.1.2 串聯型主動式濾波器之基本原理..............9
2.1.3 組合式型濾波器之基本原理.................10
2.2 主動式濾波器之原理分析.....................11
2.2.1 並聯型主動式濾波器.......................11
2.2.2 串聯型主動式濾波器.......................14
2.2.3 混合型濾波器.............................15
第三章 並聯型主動式濾波器硬體架構之原理與設計..18
3.1 基本工作原理...............................18
3.2 硬體架構分析和設計.........................21
3.2.1 電力電路之設計原理.......................21
3.2.2 穩壓控制回授電路之設計...................27
3.2.3 參考電流產生電路.........................29
3.2.4 切換控制電路.............................32
第四章 適應性濾波器之設計......................37
4.1 適應性理論演算法之研究.....................37
4.1.1 非遞迴式適應性濾波器.....................38
4.1.2 FIR LMS架構..............................42
4.1.3 加入適應性濾波器之架構...................45
4.2 數位信號處理器.............................47
4.3 介面電路之設計.............................51
4.4 程式流程圖.................................53
第五章 模擬和實驗結果..........................55
5.1 負載電路的設計.............................55
5.2 Matlab模擬.................................57
5.2.1 模擬結果.................................58
5.2.3 模擬結果分析.............................70
5.3 實驗波形結果...............................73
5.3.1 實驗結果分析.............................82
第六章 結論與未來研究方向......................85
6.1 結論.......................................85
6.2 未來研究方向...............................86
參考文獻........................................87
附錄A 整體系統之硬體實作電路圖.................92
自傳............................................93
著作權聲明......................................94

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