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研究生: 張一明
Chang, I-Ming
論文名稱: 改善燈管驅動系統之電源設計及分析
Design and Analysis of Power Supply for Improvement of Lamp-Driven Systems
指導教授: 黃世杰
Huang, Shyh-Jier
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: 2007
畢業學年度: 95
語文別: 中文
論文頁數: 94
中文關鍵詞: 冷陰極管背光模組
外文關鍵詞: Back Light Module, Cold Cathode Fluorescent Lamp
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  • 本論文以全橋相移式換流器架構為基礎,提出多燈管平衡控制方式,而為求有效降低燈管亮度不均之問題,並加增電感-電容平衡電路,期使電路達到自然諧振頻率點之一致及達成燈管之管電流量平衡,同時兼顧電流諧波補償與改善市電功率因數之能力,以確保提昇電源品質及維持供電可靠度,文中並分析探討測試結果,以驗證本論文建議方法之可行性。

    Based on the configuration of full-bridge inverters, this thesis has proposed a method to reach a uniform control of multi-lamps, where an L-C circuit was also added in order to better achieve the goal of uniform oscillation frequency and current balance of connected lamps, while ensuring a certain high quality and reliability of supplying power with harmonic compensation and power factor improvement. This proposed approach was analyzed and investigated in anticipation of validating the feasibility of the method proposed.

    中文摘要 I 英文摘要 II 誌謝 III 目錄 IV 表目錄 VI 圖目錄 VII 第一章 緒論 1 1-1 研究背景與動機 1 1-2 目的及方法 1 1-3 內容大綱 3 第二章 冷陰極管特性分析 4 2-1 簡介 4 2-2 背光模組 5 2-3 冷陰極管原理 7 2-3-1 冷陰極管特性曲線分析 11 第三章 功因修正器與返馳式轉換器之相關理論 17 3-1 簡介 17 3-2 功率因數定義 18 3-3 功因修正器基本理論 21 3-4 功因修正器控制系統 24 3-5 返馳式轉換器基本理論 26 3-6 返馳式轉換器控制系統 28 3-7 元件設計考量 30 第四章 全橋相移式換流器電路分析 33 4-1 簡介 33 4-2 驅動電路種類 33 4-3 諧振電路分析 39 4-4 全橋相移式換流器控制 44 4-4-1 燈管電流平衡方式 45 第五章 系統硬體架構 48 5-1 簡介 48 5-2 控制電路 49 5-2-1 功因修正器之電路架構 49 5-2-2 返馳式轉換器之電路架構 56 5-2-3 全橋相移式換流器之電路架構 60 5-3 緩震電路 64 第六章 系統模擬與實驗結果 66 6-1 簡介 66 6-2 功率因數修正器模擬與實測結果 69 6-3 返馳式轉換器模擬與實測結果 79 6-4 全橋相移式換流器模擬與實測結果 82 第七章 結論與未來研究方向 86 7-1 結論 86 7-2 未來研究方向 87 參考文獻 88 作者簡介 94

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