本論文旨在研製具功率因數修正之全橋相移零電壓切換的直流電源供應器。系統電路架構包含電磁干擾濾波器、功率因數修正器及直流/直流轉換器等。電磁干擾濾波器可以有效解決功率開關、變壓器及功率二極體在切換過程中產生之線路雜訊；功率因數修正器可以獲得較高功率因數以提供最佳之用電品質；全橋相移零電壓切換直流/直流轉換器可有效降低開關切換帶來的雜訊與損失，以提高系統效率。
文中除詳述系統電路中各部份之電路原理外，更利用電腦模擬軟體PSpice及IsSpice來加以驗證。最後製作一台輸出功率一千瓦之直流電源供應器，並符合電磁干擾及功率因數之相關規範。

The purpose of this thesis is to design a full-bridge phase-shift zero voltage switching (FB-PS-ZVS) DC/DC converter with power factor correction (PFC). The system includes an EMI filter, a power factor corrector and a DC/DC converter. The EMI filter can solve conducting wire noise from power-switches, transformers and power-diodes during the switching process. The power factor corrector derives high-power-factor for the best power quality. The FB-PS-ZVS DC/DC converter can effectively reduce noise and loss in switching process and enhance higher system efficiency.
The thesis not only describes the system circuit principle but also verifies the theory by PSpice and IsSpice. Finally, a 1kW DC/DC power supply is implemented to conform to the standard of EMI and power factor.

目 錄
中文摘要 Ⅰ
英文摘要 Ⅱ
誌謝 Ⅲ
目錄 Ⅳ
圖表索引 Ⅶ
第一章 緒論 1
1.1 研究動機 1
1.2 研究目的………………………………………………….…..1
1.3 論文內容概述………………………………………………...2
第二章 系統架構 3
2.1 前言 3
2.2 系統架構 3
2.3 電路架構 4
2.3.1 電磁干擾濾波電路 4
2.3.2 功率因數修正器及其控制電路 5
2.3.3 全橋相移零電壓切換轉換器及其控制電路 6
2.3.4 輔助電源電路 6
第三章 電磁干擾濾波器………………………………………..…..8
3.1 前言 8
3.2 切換式電源供應器的雜訊組成及其來源 8
3.3 EMI濾波器的基本架構 9
3.4 電磁干擾防制規範 10
3.5 量測系統架構 12
3.6 EMI濾波器的設計步驟和流程 13
第四章 昇壓型功率因數修正器 17
4.1 前言 17
4.2 主電路簡介 17
4.3 控制方法簡介 18
4.3.1 乘法器控制法 18
4.3.2 電壓隨耦法 20
4.4 功因修正控制電路 21
4.5 主電路元件之選擇 27
第五章 全橋相移式零電壓切換轉換器 30
5.1 前言 30
5.2 主電路簡介 30
5.3 零電壓切換動作原理 32
5.3.1 能量傳送區間 32
5.3.2 第一諧振區間 32
5.3.3 導通區間 33
5.3.4 第二諧振區間 34
5.3.5 導通區間 35
5.4 相移控制信號簡介 36
5.5 主電路小信號模型之建立 37
5.6 主電路小信號轉移函數 38
5.7 迴授補償技術 39
5.8 電路設計與元件規格之決定 43
5.8.1 功率開關元件之決定 43
5.8.2 主變壓器設計考量 43
5.8.3 諧振電感與耦合電容之設計 45
5.8.4 輸出整流濾波電路設計 46
5.8.5 控制電路的設計 47
5.8.6 閘極驅動電路之決定 48
5.8.7 輔助電源之設計 48
第六章 系統電路設計分析 50
6.1 前言 50
6.2 磁性元件設計 50
6.3 功因修正電路波形模擬 52
6.4 全橋相移零電壓切換電路波形模擬 54
第七章 實作電路之量測與討論 57
7.1 前言 57
7.2 EMI濾波電路之量測 58
7.3 功因修正電路之量測 65
7.4 全橋相移零電壓切換電路之量測 71
7.5 系統電路效率比較及實體外觀 74
第八章 結論與未來研究方向 77
8.1 結論 77
8.2 未來研究方向 77
參考文獻 79
附錄A 功因修正器控制IC(UC3854AN) 83
附錄B 相移共振控制IC(UC3879) 85

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