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研究生:楊勝翰
研究生(外文):Sheng-HanYang
論文名稱:具功率因數修正及最大功率追蹤功能之三相風電轉換系統
論文名稱(外文):Implementation of Three-Phase Wind Power Conversion Systems with PFC and MPPT Functions
指導教授:張簡樂仁
指導教授(外文):Le-Ren Chang-Chien
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系碩博士班
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:2012
畢業學年度:100
語文別:中文
論文頁數:79
中文關鍵詞:功率因數修正風電三相升壓型轉換器風渦輪機
外文關鍵詞:PFCwindThree-Phase ConverterWind Turbine
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  • 被引用被引用:1
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本研究旨在設計及建置能搭配潮流發電之三相交-直流功率轉換系統。為了確認所設計的電能轉換器符合設計規範,藉由風渦輪機動力模擬器驗證其電源轉換器性能。
轉換器控制法主要是控制發電機輸出電流就可以達到最大功率追蹤及功率因數修正之功能。其中功率因數修正功能是以發電機之電壓為參考值並且使用同步旋轉座標軸法搭配數位鎖相迴路讓轉換器的輸入電壓與電流同相達到功因修正的功能,且利用改良式擾動觀察法做最大功率追蹤以有效擷取風渦輪機端之能量並且減少擾動時所造成的能量損失且讓功率維持在最大點。本研究所實現之系統可於不同的風速條件下做運轉,並藉由實驗所獲得的量測波形驗證所提出之功率轉換系統符合當初之設計需求。

This paper presents the design and implementation of a three-phase AC-DC wind power conversion system. In order to verify that the power converter can meet the designed specification, a wind turbine emulator is employed to validate the performance of the proposed system.
The control method of the converter system is to regulate the input current of the converter for achieving power factor correction and maximum power point tracking. The proposed approach takes the generator voltage as control reference. Power factor correction is achieved using a digital phase-locked loop to make input current in phase with input voltage. In addition, an improved perturbation and observation method is proposed to perform maximum power point tracking for effectively harvesting the energy from wind and to avoid the perturbation loss during the tracking process. The proposed system had been realized and tested under various operating scenarios. Measured waveforms from the field test indicated that the proposed three-phase power converter can perform as expected.

摘要 I
Abstract II
誌謝 III
目錄 IV
表目錄 VIII
圖目錄 IX
第一章 緒論 1
1.1 研究背景與動機 1
1.2 系統架構與貢獻 2
1.3 本文大綱 3
第二章 風渦輪機動力特性及模擬器 7
2.1 前言 7
2.2 風渦輪機之動力特性 8
2.2.1 風渦輪機特性係數與功率分析 8
2.2.2 最大功率點特性 14
2.3 風力渦輪機動力模擬器之硬體設備和控制 15
2.3.1 風力渦輪機動力模擬器之軟體規劃 17
2.4 實驗規劃與結果 19
2.5 結語 21
第三章 交直流電能轉換系統 23
3.1 交直流電能轉換系統架構 23
3.2 功率因數的定義及修正器之功能與分類 23
3.2.1 功率因數修正器之功能 23
3.2.2 功率因數定義 24
3.3 三相升壓型轉換器電路 26
3.3.1 三相全橋式二極體轉換器 27
3.3.2 三個單相模組組成之三相升壓型轉換器 27
3.3.3 三相單開關升壓型轉換器 29
3.3.4 三相六開關升壓型轉換器 29
3.4 最大功率追蹤演算法 31
3.5 結論 32
第四章 硬體電路製作與軟體規劃 33
4.1 前言 33
4.2 硬體架構 33
4.2.1 系統功率級電路 34
4.2.1.1 功率級電路系統控制 42
4.2.2 電壓回授偵測電路 45
4.2.3 電流回授偵測電路 47
4.2.4 功率開關驅動電路 48
4.2.5 數位信號處理器介面電路 49
4.3 軟體規劃 51
4.3.1 系統程式規劃 51
4.3.2 三相升壓型轉換器控制程式 52
4.3.2.1 三相升壓型轉換器之功率因數修正控制方程式 ………………………………………………………………………….52
4.3.2.2 三相升壓型轉換器之最大功率追蹤控制方程式 ………………………………………………………………………….54
4.4 結語 57
第五章 實體電路測試與結果 59
5.1 前言 59
5.2 三相升壓型交-直流電源轉換器之實測結果 60
5.2.1 電流控制之實測結果 60
5.2.2 最大功率追蹤控制之實測結果 63
5.3 結語 68
第六章 結論與未來展望 71
6.1 結論 71
6.2 未來展望 71
參考文獻 73
作者簡介 79

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