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研究生: 林祐任
Lin, You-Ren
論文名稱: 協調可控整流器與可控換流器於 風力用發電機之控制
Coordination Control between Controllable Converter and Controllable Inverter of Autonomous Self-excited Induction Generators
指導教授: 王醴
Wang, Li
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年: 2006
畢業學年度: 94
語文別: 中文
論文頁數: 118
中文關鍵詞: 可控整流器可控換流器數位信號處理器
外文關鍵詞: controllable inverter, controllable converter, DSP
相關次數: 點閱:65下載:3
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  • 本論文發展一套風力用獨立自激式感應發電機之可控整流器及可控換流器雙重協調控制策略,以改善風力用感應發電機之輸出電壓及頻率會隨不同轉速及不同負載條件而發生變動的特性。
    所提出功率轉換器為兩級架構,利用數位信號處理器來協調控制各級的功率級電晶體,三相可控整流器將風力用感應發電機之交流電源轉換成穩定直流電壓,並有效改善發電端輸出功率因數;單相換流器則用來產生穩定交流電源輸出。
    利用直交軸模型,分析可控整流器在不同工作模式及不同負載型式下的相對穩定度;採用三相a-b-c軸模型,結合三相感應發電機、可控整流器與可控換流器之模型,推導其完整數學模型來完成動態系統模擬。並與實測結果比較,以驗證本論文所提系統之可行性。

    The aim of this thesis is to develop a coordination control between controllable converter and controllable inverter for autonomous wind self-excited induction generators whose both output voltage and frequency are inherently affected by random wind speed and connected loads.
    The control of the proposed two power converters is to switch power transistors using a digital signal processor (DSP). Three-phase rectifier connected to the stator windings of the wind induction generator controls the dc-link voltage and corrects the output power factor of the studied generator. Single-phase inverter is employed to produce a fixed AC voltage and frequency for the connected loads.
    This thesis uses a dq-axis model to analyze the stability of the converter-load system under different operating conditions. Three-phase induction-generator model, three-phase controllable rectifier model, and single-phase controllable inverter model are integrated to form a set of complete system dynamic equations for obtaining detailed simulations.
    It can be concluded from the simulated and experimental results that the proposed wind energy conversion system can be practically applied to the studied wind induction generators under various operating conditions.

    中文摘要 I 英文摘要 II 致謝 III 目錄 IV 表目錄 VII 圖目錄 VIII 符號表 XI 第一章 緒論 1 1-1 研究背景及動機 1 1-2 系統架構 3 1-3 文獻回顧 5 1-4 本論文的貢獻 11 1-5 內容大綱 12 第二章 實驗機組之基本原理與數學模型建立 14 2-1 自激式感應發電機的發電原理 14 2-2 感應發電機之交直軸數學模型 17 2-3 自激電容之分析及求解 20 2-4 實驗機組之參數量測 24 2-5 本章結論 29 第三章 功率轉換器之特性分析 30 3-1 三相整流器之數學模型建立 31    3-2 三相整流器之控制 36    3-3 三相整流器之穩定度分析 40 3-3-1 線性控制器下之三相整流器之穩定度探討 40 3-3-2 系統參數對相對穩定度的影響 48    3-4 換流器之數學模型建立 54    3-5 換流器之控制 58 第四章 功率轉換系統之軟硬體架構 61 4-1 發電裝置 62 4-2 整流電路 63 4-2-1 回顧可控式整流器 63     4-2-2 升壓電感器的設計 67     4-2-3 直流鏈電容器之設計 69 4-3 換流電路 70   4-3-1 換流器動作原理 71     4-3-2 LC濾波器的設計 72 4-4 實體製作 73 4-4-1 電壓、電流取樣電路 73 4-4-2 電容電壓取樣電路 74 4-4-3 功率電晶體驅動電路 75 4-4-4 具空白時間的PWM產生電路 76 4-5 數位控制 77 4-5-1 主程式控制程式 79 4-5-2 整流器之控制程式 81   4-5-3 換流器之控制程式 83 4-6 本章結論 85 第五章 實驗結果 86 5-1 應用PSIM軟體模擬風能轉換系統 87 5-2 動態實測分析 90 5-2-1 風速變動下系統之動態實測分析 91 5-2-2 負載變動下系統之動態實測分析 95 5-3 諧波分析 101 5-4 控制週期長短與控制效果的影響 106 第六章 結論與未來研究方向 110 6-1 結論 110 6-2 對本論文之建議與未來研究方向 111 參考文獻 112 作者簡介 117

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     DSP 相關書籍
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