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研究生： 莊二龍
Chuang, Erh-Lung
論文名稱： 高效率感應電機之特性分析
Characteristic Analyses of High Efficiency Induction Machines
指導教授： 王醴
Wang, L.
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： 2003
畢業學年度： 91
語文別： 中文
論文頁數： 117
中文關鍵詞： 有限元素
外文關鍵詞： finite element
相關次數： 點閱：35  下載：4 
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    • 本論文旨其目標為提昇傳統感應電機之效率並分析電機特性分析。由於一般傳統感應電機主要缺點在於其效率低於同步電機，故如何就電機的尺寸、材料及設計方法等因素，以提昇感應電機的效率乃成為本論文研究的重心。在本論文中分別使用感應電機之等效電路與有限元素兩種模型，分析高效率感應電機之穩態及動態特性。
    在本論文的研究內容中，將以兩部三相、220 V(Δ)/380 V(Y)、4極、1馬力之傳統感應電機與高效率感應電機做比較，針對這兩部電機在感應馬達、獨立自激式感應發電機以及市電併聯型感應發電機等三種運轉模式做分析，除完成各運轉模式之穩態及動態特性外，並搭配實測及模擬方式做深入驗證，俾歸納及分析高效率感應電機的重要特性。

    The purpose of this thesis focuses on both efficiency improvement and characteristic analyses of conventional induction machines. The primary drawback of a conventional induction machine is its lower efficiency as compared to a synchronous machine of the same ratings and size. This thesis employs both equivalent-circuit method and finite-element method to analyze transient and steady-state performance of an induction machine in order to promote efficiency by modifying its size, the employed core material, and difference design scheme, etc.
    The performance of two three-phase, 220 V(Δ)/380 V(Y), 4 poles, 1 HP induction machines of conventional and high-efficiency are employed to investigate and compared. Three operating modes of an induction machine, i.e., induction motor, isolated self-excited induction generator and grid-connected induction generator, are respectively utilized. Both steady-state and transient characteristics as well as both experimental and simulated results of the two studied induction machines are performed and compared in order to validate the important features of the high-efficiency induction machines.

    中文摘要..................................................Ⅰ 英文摘要..................................................Ⅱ 誌謝......................................................Ⅲ 目錄......................................................IV 圖目錄...................................................VII 表目錄.....................................................X 符號說明..................................................XI 第一章 緒論................................................1 1-1 研究動機........................................1 1-2 相關文獻回顧....................................3 1-3 研究內容概述....................................5 第二章 FLUX 2D模擬軟體之使用...............................7 2-1 FLUX 2D簡介....................................7 2-2 有限元素分析簡介...............................7 2-3 感應電動機原始設計雛型的幾何建 構與參數設定.......................................10 2-4 FLUX 2D軟體模擬時之重點提示...................20 2-5 FLUX 2D之參數.................................22 2-5-1 FLUX 2D 之繞組設定......................24 2-5-2 FLUX 2D之末匝設定.......................25 2-6 FLUX 2D模擬總結...............................27 第三章 感應電機之結構分析與研究...........................29 3-1 前言...........................................29 3-2 三相感應電機之基本構造...........................29 3-2-1 感應機分類、構造及材料.....................30 3-2-2 感應電動機之基本動作原理...................31 3-3 感應電機之設計規畫...............................32 3-3-1 氣隙寬度變動之影響.......................36 3-3-2 鐵心疊片厚度變動之影響...................37 3-3-3 定子線圈匝數變動的影響...................38 3-3-4 不同矽鋼片材質的影響.....................39 3-3-5 感應電動機之模擬與實測 特性比較.................................40 3-4 結論...........................................42 第四章 感應電機之等效電路模型.............................44 4-1 前言...........................................44 4-2 感應機參數量測.................................44 4-3 感應電機之交直軸等效電路模型...................51 4-4 感應發電機之三相等效電路模型...................56 第五章 感應電動機之特性分析...............................61 5-1 前言...........................................61 5-2 感應電動機之電磁場模擬分析.....................62 5-3 感應電動機模式下之模擬與實測 比較...........................................71 5-4 結論...........................................76 第六章 感應發電機之特性分析...............................78 6-1 前言...........................................78 6-2 獨立自激式感應發電機的動作原理.................78 6-3 特徵值及特徵值靈敏度分析.......................82 6-3-1 臨界電容值求解...........................86 6-3-2 臨界轉速值求解...........................90 6-4 獨立自激式感應發電機之模擬與實 測結果.........................................92 6-4-1 穩態結果分析.............................92 6-4-2 動態結果分析......................................100 6-5 市電併聯型感應發電機之模擬與 實測結果......................................103 6-6 結論................................................107 第七章 結論與未來研究方向................................108 參考文獻.................................................112 附錄.....................................................114 作者自述.................................................117

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