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研究生:周育瑜
研究生(外文):Yu-Yu Chou
論文名稱:互動式高頻變壓器參數最佳化設計程式之研發
論文名稱(外文):Development of an Interactive Optimal Parameter Designing Program for High-Frequency Transformers
指導教授:蔡有龍蔡有龍引用關係陳宣泰
指導教授(外文):Yu-Lung TsaiShiuan-Tai Chen
學位類別:碩士
校院名稱:建國科技大學
系所名稱:電機工程系暨研究所
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:2013
畢業學年度:101
語文別:中文
論文頁數:128
中文關鍵詞:高頻變壓器拉格朗日乘數最佳化返馳式變壓器互動式程序
外文關鍵詞:high frequency transformerLagrange multiplier optimization methodflyback transformerinteractive programVisual Basic
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在設計高頻電源變壓器時,除了以短、小、輕、薄為設計發展外,為因應市場價格要求,如何降低成本更是設計要點。本文依拉格朗日乘數法建立高頻變壓器最佳化模型,並利用Visual Basic程式語言開發一互動式高頻變壓器設計程式,自動推導最佳化參數設計值,同時也將變壓器尺寸大小,鐵芯截面積、磁芯窗口面積、骨架繞架面積及銅線線徑資料,建立資料庫並加入互動式高頻變壓器軟體程式內,以大幅減少設計者翻閱磁芯產品說明書及變壓器相關資料之時間。本文最後以TDK EI-30、EI-33及PQ32/30等鐵芯,依據互動式高頻變壓器軟體程式所計算之參數值,實際進行繞製高頻返馳式變壓器,經實驗量測證實其效率。可有效降低設計時間、減少研發設計成本及提高效率,並提升市場競爭力。
In the design of high-frequency power transformer, slim and light in sizes are the developing trends. In addition, the market price requirements and energy conversion efficiency are also the major concerns during transformer design. This thesis proposes optimization design models by Lagrange multiplier optimization method and develops an interactive software program by Microsoft Visual Basic. By these models and developing interactive program, the optimal design parameters of high frequency transformer, such as core size, cross-sectional area of core, bobbin window area, turns of primary and secondary windings, copper wire sizes of windings, space factor and air gap etc., can easily be derived automatically. By these design processes, the required design data about transformer cores, bobbins, and copper wire sizes are all included in the relevant data base and can be searched by the program. Finally, the optimal design parameters could be derived more quickly and directly, instead of looking up the data sheets step by step. In order to demonstrate the superiority of the proposed optimization models and interactive program, three flyback high frequency transformers, which use TDK EI-30, EI-33 and PQ32/30 cores, are tested by the program and the optimal design parameters are derived automatically. The actual flyback transformers are wound by these parameters, and the experimental results demonstrate that the conversion efficiencies are very excellent and design processes are very quickly. It can significantly reduce the required design time, save the design cost, improve the conversion efficiency, and then enhance the market competitiveness.
摘 要 I
Abstract II
目錄 IV
表目錄 VIII
圖目錄 IX
符號對照表 XIII
第一章 緒論 1
1.1研究動機與背景 1
1.2文獻探討 2
1.3研究目的 4
1.4論文架構 4
第二章 電力轉換器簡介 6
2.1 前言 6
2.2.1 返馳式轉換器基本動作原理 8
2.3 順向式轉換器之介紹 11
2.3.1 順向式轉換器基本動作原理 13
2.4 半橋式與全橋式轉換器之介紹 15
2.4.1半橋式轉換器基本動作原理 17
2.4.2全橋式轉換器基本動作原理 21
2.5 推挽式轉換器之介紹 25
2.5.1 推挽式轉換器基本動作原理 26
2.6 準諧振返馳式轉換器之介紹 28
2.6.1 準諧振返馳式轉換器之基本動作原理 29
第三章 電力轉換器之最佳化高頻變壓器設計 30
3.1 拉格朗日乘數最佳化 30
3.2 返馳式變壓器設計 31
3.2.1 參數設定 32
3.2.2 最佳化設計公式推導 32
3.3 順向式變壓器設計 39
3.3.1 參數設定 39
3.3.2 最佳化設計公式推導 39
3.4 半橋式與全橋式變壓器設計 43
3.4.1 半橋式參數設定 44
3.4.2 半橋式最佳化設計公式推導 44
3.4.3 全橋式參數設定 49
3.4.4 全橋式最佳化設計公式推導 49
3.5 推挽式變壓器設計 54
3.5.1 參數設定 54
3.5.2 最佳化設計公式推導 54
3.6 結果與討論 59
第四章 互動式高頻變壓器軟體程式與開發 60
4.1 軟體開發環境 60
4.1.1 Visual Basic 簡介 60
4.1.2 Visual Basic 開發環境與元件 60
4.2系統架構 64
4.3系統設計 65
4.3.1 變壓器種類選擇 66
4.3.2 PWM IC選擇 66
4.3.3 鐵芯選擇 67
4.3.4 鐵芯種類資料查詢 68
4.3.5 骨架選擇 68
4.3.6 骨架種類資料查詢 69
4.3.7 鐵芯有效參數搜尋 69
4.3.8 各項參數輸入 70
4.3.9 結果輸出 71
4.4 實例探討 76
4.4.1返馳式變壓器最佳化設計之結果 76
4.4.2順向式變壓器最佳化設計之結果 83
4.5返馳式變壓器最佳化設計之實驗結果 89
第五章 結論與未來研究方向 94
5.1 結論 94
5.2 未來研究方向 95
參考文獻 96
附 錄 102
附錄一 102
附錄二 105
附錄三 108

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