本文針對諧振重置雙晶順向式電源轉換器之大訊號暫態做分析，在此我們並與主動箝位順向式電源轉換器做一比較。大訊號之暫態測試主要是為了設計與驗証硬體的規格，如在特定的負載變動時，輸出電壓的回復時間及其輸出過電壓的大小，且在實做硬體前的模擬過程中能夠對包含不同電路的操作情況作測試，並能探討在特定情形下的電路穩定問題及各別元件的耐壓與耐流等問題。本文所討論之架構有以下特點：低輸出電壓、高輸出電流、高功率密度、責任週期可大於50%、高操作頻率、可完成零電壓切換及高效率。
利用電路模擬軟體模擬兩種架構之電壓模式控制及電流模式控制之大訊號暫態，最後比較電流模式控制之諧振重置雙晶順向式電源轉換器的實測波形與模擬波形以驗証相關模擬與分析的正確性。

This thesis analyzes the large-signal transient of the resonant-reset dual-switch forward converter. We also compare the active-clamp reset forward converter with our topology. The large-signal transient test is used mainly to satisfy the specifications of the customer, such as the recovery time of output voltage and the output voltage overshoot during a specific load change. In the virtual prototype, many tests can be done to cover the different operating conditions of circuit. So the stability problem of circuit and device overstress or failure under the special conditions can be detected before the hardware prototyping. The characteristics of our topology used in this thesis are: low output voltage, high output current, high power density, duty cycle more than 50%, high operation frequency, zero voltage switching and high efficiency.
The circuit simulating software is used to simulate the large-signal transient of the two topologies with voltage-mode and current-mode control. Finally, we will compare the measured waveforms with the simulated waveforms of the resonant-reset dual-switch forward converter in order to verify the accuracy of our simulation and analysis.

目錄 頁次
中文摘要 …………………………………………………………… I
英文摘要 …………………………………………………………… II
誌謝 …………………………………………………………… III
目錄 …………………………………………………………… IV
圖目錄 …………………………………………………………… VI
表目錄 …………………………………………………………… X
第一章 緒論……………………………………………………… 1
1-1 研究背景與目的………………………………………… 1
1-2 文獻回顧 ……………………………………………… 2
1-3 文章架構………………………………………………… 2
第二章 諧振重置雙晶順向式電源轉換器與主動箝位順向式電
源轉換器之動作說明及小訊號分析…………………… 3
2-1 諧振重置單晶與雙晶順向式轉換器損失比較………… 3
2-2 主動箝位順向式轉換器兩種架構比較………………… 8
2-3 諧振重置雙晶順向式電源轉換器……………………… 10
2-3-1 諧振重置雙晶順向式轉換器之小訊號轉移函數及迴授
補償……………………………………………………… 15
2-4 主動箝位順向式電源轉換器…………………………… 23
2-4-1 主動箝位順向式轉換器之小訊號轉移函數及迴授補償 28
第三章 主動箝位順向式轉換器與諧振重置雙晶順向式轉換器
之大訊號分析與比較…………………………………… 32
3-1 主動箝位順向式電源轉換器之大訊號分析…………… 32
3-1-1 狀態軌跡………………………………………………… 35
3-1-2 電壓模式控制之狀態軌跡……………………………… 37
3-1-3 電流模式控制之狀態軌跡……………………………… 47
3-2 諧振重置雙晶順向式電源轉換器之大訊號分析……… 57
3-2-1 電壓模式控制之狀態軌跡……………………………… 59
3-2-2 電流模式控制之狀態軌跡……………………………… 69
3-3 兩架構之比較與討論…………………………………… 79
第四章 實測與模擬結果………………………………………… 83
4-1 諧振電壓分析…………………………………………… 84
4-2 諧振重置雙晶順向式轉換器之大訊號暫態實測與模擬
波形比較………………………………………………… 86
第五章 結論……………………………………………………… 98
參考文獻 …………………………………………………………… 99
作者簡介 …………………………………………………………… 102

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