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研究生(外文):Wen-Jei Ai
論文名稱(外文):Development of Three Phase Multi-Function Active Power Filter
指導教授(外文):Faa-Jeng Lin
外文關鍵詞:APFshuntharmonicunbalancedmultiple module paralleled
  • 被引用被引用:4
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電力濾波器。在功能方面,所提除具備並聯功能外,亦可以補償負載電流之諧波、虛功以及三相電流之不平衡,使輸入電流為平衡、低失真且功率因數為一。在控制方法,本論文結合同步旋轉框演算法與帶通濾波器之諧波電流計算法,使得所提電路即使在電壓失真下亦能維持良好之操作性能。為供應三相不平衡負載,本論文亦提出一瞬時功率法之三相電流平衡控制技術使得輸入電流為平衡。此,本論文亦提出了串聯式負載電流之感測方式,配合三相虛功、諧波電流振幅與三相實功率不平衡之限容控制技術,可以使所提之主動式電力濾波器不需要控制信號連結亦可以多模組並聯使整個濾波系統的容量、可靠度、使用效率均可以有明顯的提高。本論文實際設計並製作一3KVA 之系統,以EMTP 程式模擬及實作結果來驗證所提方法之有效性。
The object of this thesis is to develop a multi-functional active power filter (APF) that can be multi-module parallel operation. The functions include compensation of the load current harmonics, reactive power and three-phase unbalanced currents aiming that the input currents are balanced with low distortion and the input power factor is unity. As for the control method, the synchronous-frame-based algorithm for reactive power compensation combined with the band-pass filter for harmonic current calculation is adopted for achieving a better filtering performance under the distorted voltage supply. A real power compensation technique is also proposed for balancing the unbalanced load currents. The cascaded series load current sensing method accompanying with the capacity-limitation control (including the reactive power capacity, harmonic current amplitude and unbalanced load power limitations) is employed to make multiple APFs can be paralleled without any control interconnection. A 3KVA APF system is implemented, the effectiveness of the proposed methods are proved in terms of some EMTP simulation and experimental results.
第一章 緒論
1.1 當前電力品質所面臨之問題
1.2 電力諧波之成因與影響
1.3 諧波之改善
1.4 本論文之研究動機
1.5 本論文之內容安排
第二章 並聯式主動電力濾波器之原理
2.1 電流諧波與虛功補償技術
2.2 不平衡負載補償技術
2.3 多模組並聯技術
2.4 本論文所提主動式電力濾波器之控制方法
第三章 主動式電力濾波器之研製
3.1 所提三相三線式系統之架構
3.2 三相三線式變流器之切換控制
3.3 控制器設計
3.4 電壓源變流器之設計
3.5 模擬與實作結果
第四章 所提APF之多組並聯
4.1 所提APF多組並聯技術之原理
4.2 各式限容準位之設定
4.3 模擬結果與分析比較
第五章 結論與未來展望
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