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研究生:李威俊
研究生(外文):Wei-Chun Li
論文名稱:交錯式零電壓切換轉換器之分析與研製
論文名稱(外文):Analysis and Implementation of The Interleaved ZVS Converters
指導教授:林伯仁
學位類別:碩士
校院名稱:國立雲林科技大學
系所名稱:電機工程系碩士班
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:2008
畢業學年度:96
語文別:中文
論文頁數:72
中文關鍵詞:主動箝位交錯式技術零電壓切換半橋式轉換器中間抽頭式整流
外文關鍵詞:Active-clampCentre-Tapped RectificationHalf-Bridge ConverterZero Voltage Switching(ZVS)Interleaved PWM.
相關次數:
  • 被引用被引用:1
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  • 收藏至我的研究室書目清單書目收藏:1
本論文提出具有主動箝位交錯式之非對稱半橋轉換器。主動箝位技術主要吸收變壓器漏電感與磁化電感之能量,加以回收循環再利用,達成主開關與輔助開關零電壓切換之條件,可減少切換損失及降低電磁干擾的問題。在變壓器方面,使用雙變壓器串聯代替一顆變壓器之架構,在不同的操作模式下,雙變壓器可互相操作在電感或者變壓器的狀態,可將輸出濾波電感省略;在變壓器二次側為中間抽頭式整流電路中,可達到全波整流的效果。並採用交錯技術以提升轉換器輸出功率,降底輸入及輸出電容電壓漣波量。最後,依據本論文所提出之轉換器操作原理、穩態分析及設計考量,分別完成實體電路並量測相關波形以證明此數據之可行性。
This thesis presents the interleaved asymmetry half-bridge converter with active-clamp technique. The active-clamp technique utilizes energy stored in the transformer leakage inductance and magnetizing inductance to achieve a zero voltage switching (ZVS). The ZVS technique can reduce switching losses and electromagnetic interference (EMI). Two transformers connected in series are used in each half-bridge converter. One of two transformers can act as inductor or transformer in the primary and secondary winding.In secondary side,the interleaved pulse-width modulation is used to reduce the output current ripple. Finally, experimental results with a laboratory prototype based on a 110V input and 12V output with 240W rated power were provided to verify prove the feasibility of the proposed converter.
中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vii
圖目錄 viii
符號說明 xii
第一章 緒論 1
1.1 簡介 1
1.2 研究大綱 1
1.3 論文大綱 2
第二章 半橋式轉換器介紹 3
2.1 簡介 3
2.2 轉換器工作模式 5
2.3 半橋式轉換器之應用 6
2.4 半橋式轉換器動作原理及穩態分析 6
2.5 半橋式轉換器之開關 11
2.6 對稱式半橋與非對稱式半橋轉換器之比較 11
第三章 柔切技術與交錯式技術 12
3.1 簡介 12
3.2 硬切與柔切之切換技術的比較 12
3.3 柔切技術之應用 14
3.4 柔切技術結論 15
3.5 交錯式技術之簡介 15
第四章 交錯式零電壓切換之非對稱半橋轉換器 17
4.1 簡介 17
4.2 電路架構介紹與工作原理介紹 17
4.3 操作模式原理分析 20
4.3.1 模式一 20
4.3.2 模式二 22
4.3.3 模式三 25
4.3.4 模式四 28
4.3.5 模式五 30
4.3.6 模式六 33
4.3.7 模式七 35
4.3.8 模式八 38
4.4 穩態分析與元件設計 40
4.4.1 匝數比的選擇 41
4.4.2 輸入電容的選擇 41
4.4.3 磁化電感 的選擇 42
4.4.4 輸出二極體的選擇 42
4.4.5 主開關與輔助開關的選擇 44
4.4.6 諧振電感 與箝位電容 的選擇 44
4.4.7 輸出電容的選擇 44
4.5 實驗規格 45
4.6 電路實體 47
4.7 實驗波形 48
第五章 結論與未來研究方向 54
參考文獻 55
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