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研究生:郭松村
研究生(外文):sung-chun kuo
論文名稱:獨立自激式感應發電機之負載特性分析
論文名稱(外文):Performance Analyses of Isolated Self-Excited Induction Generators under Various Loading Conditions
指導教授:王 醴
指導教授(外文):Li Wang
學位類別:博士
校院名稱:國立成功大學
系所名稱:電機工程學系
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:2001
畢業學年度:90
語文別:中文
中文關鍵詞:自激式感應發電機特徵值霍普夫分歧諧波補償
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本論文係探討獨立自激式感應發電機在各種負載之下的動態和穩態特性分析及其電壓控制。於平衡動態負載時是採用d-q軸等效電路模型,而在不平衡負載或非線性負載時則是採用三相感應電機之a-b-c模型以及混合模型來推導動態方程式,以利進行相關研究的模擬工作。
首先使用預測-校正的連續法計算感應電動機負載下的連續平衡點,並利用特徵值和特徵值靈敏度來完成臨界工作點的最大效率、最大負載以及最小激磁電容之估測。在不平衡負載下,則分析比較不同中性點接線方式以及三種被動性負載之下的電壓不平衡率與電流不平衡率。同時推導感應發電機的混合模型並運用於整流性負載,以增進模擬的執行效率。最後,為了調節發電機之端電壓,使用瞬時功率理論完成補償電流計算負載,藉由變流器提供所需補償電流,使得端電壓得以保持定值並改善電壓波形失真的情況。
本論文利用實驗室中直流電動機驅動1.1 kW的三相感應電機作實際的操作,所得到的結果與模擬結果作比較,以驗證所提出方法的可行性。
頁數
中文摘要Ⅰ
英文摘要 Ⅱ
謝誌Ⅲ
目錄Ⅳ
表目錄Ⅶ
圖目錄Ⅷ
符號表Ⅹ
第一章緒論1
1.1研究背景及動機1
1.2文獻回顧3
1.3大綱9
第二章自激發電原理和系統之數學模型12
2.1自激式感應發電機的動作原理12
2.2感應發電機之兩軸模型15
2.3感應發電機之三相模型17
2.4實驗機組之參數量測19
第三章供應感應電動機負載之特性分析23
3.1單機供應感應電動機模型23
3.2連續法求解穩態平衡點26
3.3單機供應感應電動機之分析結果27
3.4多機並聯供應感應電動機模型39
3.5特徵值靈敏度分析結果40
第四章供應不平衡負載之特性分析50
4.1三相不平衡負載之系統模型50
4.2電壓與電流不平衡因素52
4.3三相不平衡負載分析結果與討論53
第五章供應整流性負載之特性分析68
5.1感應發電機混合模型68
5.2整流器模型71
5.3電壓與電流諧波評估74
5.4整流性負載動態分析結果與討論75
第六章感應發電機之電壓控制及諧波補償92
6.1電壓控制及諧波抑制系統描述92
6.2控制方式95
6.3電壓控制迴路98
6.4結果與討論101
第七章結論與未來研究方向114
7.1結論114
7.2未來研究方向116
參考文獻117
附錄124
簡歷125
著作126
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