基於耦合電感具降低輸入電流漣波之高增益雙向轉換器

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姓名

邱宇正(Yu-Cheng Chiu) 查詢紙本館藏

畢業系所

電機工程學系

論文名稱

基於耦合電感具降低輸入電流漣波之高增益雙向轉換器
(High-Gain Bidirectional Converter Based on Coupled Inductor with Reduced Input Current Ripple)

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至系統瀏覽論文 (2026-8-12以後開放)

摘要(中)

本論文研製一基於耦合電感的雙向高增益切換式電容(Switched Capacitor)轉換器，相較於傳統升壓電路有較高的電壓增益，並兼具降低輸入電流漣波的功能，另外，本文提出的轉換器在主開關與同步整流開關上皆具有低電壓應力。此電路具有兩個升壓級，一是前級的耦合電感，利用第二繞阻匝數比，達到變壓器般的升壓效果;二是後級的切換式電容電路，可以透過增加階數放大電壓增益，如此一來，利用結合前、後級電路，即便不使用過大的工作週期(duty cycle)，也可達到目標所需之高電壓輸出。
本論文將在第三章利用公式推導予以佐證電壓增益、元件應力與降低輸入漣波之能力，在第四章以模擬與實作硬體電路驗證理論分析，並且在最後研擬未來方向。

摘要(英)

This thesis develops a bidirectional high-gain switched capacitor converter based on coupled inductors, which has higher voltage gain than traditional boost converter and has the function of reducing input current ripple. In addition, this proposed converter has low voltage stress on main switches and synchronous rectifier switches. This circuit has two step-up stages. One is the coupled inductor of the previous stage, which uses the second winding turns ratio to achieve a transformer-like boost effect; the other is the switching capacitor circuit of the latter stage, which can be amplified by increasing the order. In this way, by combining the pre- and post-stage circuits, even if an excessive duty cycle is not used, the high voltage output required by the target can be easily achieved. This thesis uses formula derivation in the third chapter to support the voltage gain, component stress and the ability to reduce input ripple. In the fourth chapter, the theoretical analysis is verified by simulation and implementation of hardware circuits, and the future direction will be studied at the end.

關鍵字(中)

★ 充電電荷泵浦
★ 倍壓器
★ 直流-直流轉換器
★ 切換式電容
★ 耦合電感

關鍵字(英)

★ Charge Pump
★ Voltage Multiplier
★ DC-DC converter
★ Switched-capacitor
★ Coupled-inductor

論文目次

摘要 i
Abstract ii
目錄 iv
圖目錄 vi
表目錄 x
第1章緒論 1
1-1前言 1
1-2研究動機與目的 2
1-3論文架構 3
第2章電路設計原理與技術背景 4
2-1切換式電容 4
2-2耦合電感 8
第3章電路設計 10
3-1主要電路架構分析 10
3-2切換操作說明 11
3-2-1順向(升壓)切換操作說明 14
3-2-2反向(降壓)切換操作說明 20
3-3電壓增益推導 24
3-4元件電壓應力 25
3-5元件電流應力計算 26
3-6元件設計考量 29
3-7架構比較 30
第4章電路模擬與實驗量測結果 33
4-1 PSIM模擬 33
4-2-1順向(升壓)模擬 34
4-2-2反向(降壓)模擬 37
4-3-1硬體架構layout 39
4-3-2實際硬體架構 41
4-4實驗結果 42
4-4-1升壓結果 42
4-4-2降壓結果 48
4-5 整體轉換器結果分析 54
第5章結論 60
參考文獻 62

參考文獻

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指導教授

徐國鎧(Kuo-Kai Hsu)

審核日期

2021-8-12

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