新型切換式電容雙向高轉換比直流-直流轉換器

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姓名

林心蘭(Xin-Lan Lin) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

新型切換式電容雙向高轉換比直流-直流轉換器
(A Novel Switched-Capacitor Bidirectional DC-DC Converter With High-Conversion-Ratio)

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至系統瀏覽論文 (2026-8-11以後開放)

摘要(中)

本論文提出一基於混合結構之切換式電容的雙向高轉換比交錯式轉換器。有鑑於現有的交錯式轉換器在高電壓且高電流應用中的缺點，本論文透過切換式電容電路架構的改進，來改善此類轉換器的特性，在電壓轉換比、元件電壓應力與轉換器效率之間取得平衡，避免高電路阻抗及漣波，同時具備限制元件電壓應力的功能。此外，本論文使用MOSFET替換二極體，使轉換器能夠雙向傳輸功率。
本論文進行了詳盡的計算分析，使所提出轉換器架構之各項參數與規格可透過公式計算得知，以增加應用時之便利性。最後，模擬和實際製作電路來驗證本電路架構確實可行且具其效果，為高階數、高電壓且高電流之交錯式轉換器應用提供更優良的解決方案。

摘要(英)

This thesis proposes a bidirectional high conversion ratio interleaved converter based on a hybrid structure of switched–capacitor. In view of the weaknesses of the existing interleaved converters in high-voltage and high-current applications, this thesis improves the characteristics of converters through the improvement of the switched–capacitor circuit structure. Achieve a balance between voltage conversion ratio, component voltage stress, and converter efficiency, to avoid high circuit impedance and ripple, and have the function of limiting components voltage stress. In addition, this thesis uses MOSFET to replace diodes, enabling the converter to transmit power in both directions.
This thesis has carried out detailed calculation and analysis, so that the various parameters and specifications of the proposed converter structure can be calculated through formulas to increase the convenience of application. Finally, simulation and experimentation of circuits to verify that the circuit structure is indeed feasible and effective, providing a better solution for high–stages, high–voltage and high–current applications of interleaved converter.

關鍵字(中)

★ 高電壓轉換比
★ 切換式電容
★ 交錯式轉換器
★ 雙向轉換器
★ 直流–直流轉換器
★ 非隔離式轉換器

關鍵字(英)

★ High Conversion Ratio
★ Switched–Capacitor
★ Interleaved Converter
★ Bidirectional Converter
★ DC–DC Converter
★ Non–Isolated Converter

論文目次

摘要 i
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vii
表目錄 xiii
第一章緒論 1
1-1 研究動機 1
1-2 研究目的 2
1-3 論文架構 3
第二章倍壓電路與交錯式轉換器介紹 4
2-1 倍壓電路介紹 4
2-2 交錯式轉換器介紹 7
第三章電路設計 10
3-1 電路主架構分析 10
3-2 電路切換時序 11
3-2-1 升壓模式切換時序 13
3-2-2 降壓模式切換時序 16
3-3 理想電壓轉換比推導 20
3-4 切換式電容電路分析 23
3-5 實際電壓轉換比推導 31
3-6 電容電壓應力與儲存能量 41
3-6-1 電容電壓應力 41
3-6-2 電容儲存能量 46
3-7 元件設計 48
3-7-1 電感設計與漣波推導 48
3-7-2 交錯式升/降壓電路之開關設計 50
3-7-3 切換式電容電路之開關設計 52
3-7-4 高壓側開關設計 54
3-7-5 輸出電容設計與漣波推導 55
第四章模擬分析 57
4-1 升壓模式電路模擬 57
4-1-1 轉換器模擬波形 58
4-1-2 切換式電容電路模擬波形 64
4-1-3 輸出電壓與電容應力 68
4-2 降壓模式電路模擬 70
4-2-1 轉換器模擬波形 70
4-2-2 切換式電容電路模擬波形 76
4-2-3 輸出電壓與電容應力 80
第五章電路實作與實驗結果 82
5-1 電路實作 82
5-1-1 驅動電路設計 83
5-1-2 轉換器電路設計 87
5-2 升壓模式實驗結果 90
5-2-1 轉換器電路波形 90
5-2-2 轉換器輸出電壓 103
5-3 降壓模式實驗結果 105
5-3-1 轉換器電路波形 105
5-3-2 轉換器輸出電壓 115
第六章結論與未來展望 117
6-1 結論 117
6-2 未來展望 118
參考文獻 119

參考文獻

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指導教授

徐國鎧(Kuo-Kai Shyu)

審核日期

2021-8-11

推文