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姓名	楊庭越(Ting-Yueh Yang)  查詢紙本館藏	畢業系所	電機工程學系
論文名稱	具功因修正之半橋LLC諧振轉換器設計與實現 (Design and Implementation of Half-Bridge LLC Resonant Converter with Power Factor Correction)
相關論文	★ 感光式觸控面板設計 ★ 單級式直流無刷馬達系統之研製 ★ 單級高功因LLC諧振電源轉換器之研製 ★ 多頻相位編碼於穩態視覺誘發電位之大腦人機介面系統設計 ★ 類神經網路於切換式磁阻馬達轉矩漣波控制之應用 ★ 感應馬達無速度感測之直接轉矩向量控制 ★ 具自我調適導通角度功能之切換式磁阻馬達驅動系統---DSP實現 ★ 感應馬達之低轉速直接轉矩控制策略 ★ 加強型數位濾波器設計於主動式噪音控制之應用 ★ 非匹配不確定可變結構系統之分析與設計 ★ 無刷直流馬達直接轉矩控制方法之轉矩漣波改善 ★ 無轉軸偵測元件之無刷直流馬達驅動器研製 ★ 無轉軸偵測元件之開關磁阻馬達驅動系統研製 ★ 感應馬達之新型直接轉矩控制研究 ★ 同步磁阻馬達之性能分析及運動控制研究 ★ 改良比例積分與模糊控制器於線性壓電陶瓷馬達位置控制
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摘要(中)	本論文主要為研製一高功因與高效率之LLC諧振轉換器。此電源供應器之電路架構前級採用升壓型功率因數修正器，來減少電流諧波成份並使輸入電流與輸入電壓同相位，以提高電路之功率因數，後級採用半橋LLC諧振轉換器，利用功率開關之寄生電容及二極體使其達成零電壓切換，來降低切換損失，以達到高功率密度及高轉換效率之要求。本論文除了說明兩個電路架構的動作原理外，並詳述電路之設計考量與所選用之元件參數，而LLC諧振電路分析是使用一階諧波近似法，並搭配Matlab來模擬電壓增益對頻率響應圖，了解品質因數與電感比率對電路特性的影響。本論文實作出一台250W之AC/DC電源供應器，其輸入電壓為90 ~ 264 VAC，輸出直流電壓53V，滿載輸出電流4.72A，整體平均功因達0.94以上，平均效率可達90%且最高效率接近94%，最後，以實驗結果驗證理論分析，並研擬未來研究方向。
摘要(英)	This thesis focuses on the design and implementation of a high power factor and efficiency LLC Resonant Converter. The front-end part of the converter is a boost power factor corrector (PFC), used not only to eliminate the current harmonics but also to raise the power factor (PF). The second stage is a half-bridge LLC Resonant Converter. To achieve high power density and high conversion efficiency requirements, the LLC resonant converter utilizes the parasitic capacitances and diodes of the power switch to achieve ZVS, which reduces the switching loss. Besides, this thesis explains the operating principle of the two circuit architectures, and the detail design considerations of component parameters. All the analysis, design and simulation of the LLC resonant circuit are based on the first harmonic approximation (FHA) of the circuit. This thesis designs a 250W AC to DC converter with ac input voltage is 90 ~ 264VAC, output voltage and rated current are 53V and 4.72A respectively. The overall PF is above 0.94. The overall average efficiency can reach 90% and its maximum efficiency is close to 94% for the full load condition. Finally, experiment results are given to verify theoretical analysis. Moreover, future research directions are indicated.
關鍵字(中)	★ LLC諧振轉換器 ★ 升壓型功率因數修正器 ★ 零電壓切換 ★ 一階諧波近似法	關鍵字(英)	★ LLC resonant converter ★ boost power factor corrector ★ zero-voltage switching ★ first harmonic approximation
論文目次	摘要 i Abstract ii 誌謝 iii 目錄 iv 圖目錄 vii 表目錄 xii 第一章 緒論 1 1-1前言 1 1-2研究動機與目的 2 1-3內容大綱 5 第二章 功率因數修正器之原理與介紹 7 2-1功率因數之定義 7 2-2功率因數修正器之電路架構 11 2-3升壓型功率因數修正器之電路分析 12 2-4功率因數修正器之控制方法 16 第三章 LLC諧振轉換器之原理與分析 19 3-1 LLC諧振轉換器介紹 19 3-2 LLC諧振轉換器動作原理分析 22 3-3 LLC諧振轉換器特性分析 38 3-3-1參數關係 39 3-3-2電壓增益函數 41 3-3-3 K值、Qe值對電壓增益的影響 42 3-4 LLC諧振轉換器之回授控制 45 第四章 整體電源轉換器之設計 48 4-1 功率因數修正器電路規格設計 49 4-1-1功率因數修正器之元件參數設計 49 4-1-2功率因數修正器之開迴路模擬 52 4-2 LLC諧振轉換器電路規格設計 54 4-2-1 LLC之元件參數設計 55 4-2-2 LLC諧振轉換器之開迴路模擬 65 第五章 實驗結果與討論 69 5-1 升壓型功率因數修正器之波形 70 5-2 半橋LLC諧振轉換器之波形 75 5-3 整體電源轉換器之數據量測 83 5-4整體電源轉換器之損失分析 86 第六章 結論與未來展望 88 6-1 結論 88 6-2 未來展望 89 參考文獻 90
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指導教授	徐國鎧(Kuo-Kai Shyu)	審核日期	2017-7-20
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