許源浴臺灣大學:電機工程學研究所翁川翔Wung, Chuan-SiangChuan-SiangWung2010-07-012018-07-062010-07-012018-07-062009U0001-2906200916501000http://ntur.lib.ntu.edu.tw//handle/246246/188140本論文之主要目的在研究雙饋式感應發電機動態特性之模擬，研究的方向著重於風力發電時，控制背對背PWM 轉換器，使葉片轉速在擾動下能追尋最佳化速度軌跡讓風力機達到最大發電能量。 首先將針對風力機、感應機、系統側變流器、轉子側變流器、直流電容、傳輸線、負載和固定交流電容補償器建立出數學模型，接著為了讓雙饋式感應發電機有穩定定子電壓和控制轉子電壓達到最大發電能量的能力，因此將設計系統側控制器與轉子側控制器使之解耦合。 本論文藉由MATLAB/Simulink 軟體模擬，將證明本文提出的控制器在負載切換、三相故障、風速變動下，均能有效的作用。Dynamic performance of a doubly fed induction generator(DFIG) with a back-to-back PWM converter under disturbance conditions is investigated in this thesis. The mathematical models for the wind turbine, the induction generator, the supply side converter, the rotor side converter, the DC capacitor, the transmission line, the load, and the fixed AC capacitor are first established. Decoupled controllers for the supply side controller and the rotor side controller are then proposed in order to regulate the stator voltage and to adjust the rotor voltage such that maximum power output can bechieved by the doubly-fed induction generator. Dynamic simulations for the system subject to disturbances such as load change, three-phase fault, and wind speed variations are conducted using MATLAB/Simulink to demonstrate the effectiveness of the proposed decoupled controller.誌謝................................................................................................................................III要................................................................................................................................ IVbstract............................................................................................................................V錄................................................................................................................................VI目錄..........................................................................................................................VIII目錄..............................................................................................................................X號表............................................................................................................................XI一章 緒論.................................................................................................................... 1-1 研究背景............................................................................................................ 1-2 文獻回顧............................................................................................................ 1-3 研究方法............................................................................................................ 5-4 論文內容介紹.................................................................................................... 5二章 雙饋式感應發電機簡介.................................................................................... 6-1 前言................................................................................................................... 6-2 風速的介紹與風力機種類............................................................................... 7-3 風力機的能量................................................................................................... 8-4 風力機特性..................................................................................................... 10-5 系統側變流器簡介......................................................................................... 12-6 系統側變流器對系統的影響......................................................................... 13-6-1 電壓穩定度......................................................................................... 13-6-2 暫態穩定度......................................................................................... 15-6-3 功因改善............................................................................................. 17-6-4 電壓支撐............................................................................................. 17-6-5 線路傳輸功率..................................................................................... 18三章 數學模型建立.................................................................................................. 21-1 前言.................................................................................................................. 21-2 風力原動機數學模型..................................................................................... 22-3 感應機數學模型.............................................................................................. 24-3-1 靜止座標軸轉換.................................................................................. 24-3-2 同步旋轉座標軸轉換.......................................................................... 25-3-3 感應機同步旋轉軸數學模型.............................................................. 26-4 變流器數學模型............................................................................................. 31-5 輸電線、負載與並聯固定電容器同步旋轉軸數學模型.............................. 33-5-1 輸電線模型.......................................................................................... 33-5-2 負載模型.............................................................................................. 34-5-3 固定電容模型...................................................................................... 35四章 系統側與轉子側變流器控制器設計.............................................................. 37-1 前言.................................................................................................................. 37-2 系統側變流器控制器設計.............................................................................. 38-3 轉子側變流器控制器設計.............................................................................. 43五章 模擬結果與分析.............................................................................................. 50-1 前言.................................................................................................................. 50-2 模擬結果與分析.............................................................................................. 50-2-1 負載變動.............................................................................................. 51-2-2 三相平衡故障...................................................................................... 55-2-3 風速變動.............................................................................................. 58-2-4 葉片旋角變動...................................................................................... 67六章 結論.................................................................................................................. 75-1 結論.................................................................................................................. 75-2 未來研究方向.................................................................................................. 75錄一............................................................................................................................ 76錄二(系統元件選取) ................................................................................................. 79錄三(控制器參數) ..................................................................................................... 80考文獻........................................................................................................................ 81者簡歷........................................................................................................................ 835994845 bytesapplication/pdfen-US雙饋式感應發電機風力發電感應機背對背PWM 變流器doubly-fed induction generatorwind powerinduction generatorback-to-back PWMthesishttp://ntur.lib.ntu.edu.tw/bitstream/246246/188140/1/ntu-98-R96921053-1.pdf