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研究生:張志陽
研究生(外文):ZHANG,ZHI-YANG
論文名稱:具耦合電感之單主動開關高升壓直流轉換器
論文名稱(外文):Single Active-Power-Switch High Step-up DC-to-DC Voltage Converter with Coupled Inductors
指導教授:陸緯庭陸緯庭引用關係
指導教授(外文):LU,WEI-TING
口試委員:吳兆祥莫清賢
口試委員(外文):WU,JAW-SHYANGMOO,CHIN-SIEN
口試日期:2018-07-06
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:電機工程系博碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2018
畢業學年度:106
語文別:中文
論文頁數:137
中文關鍵詞:高電壓增益耦合電感單主動開關低電壓應力
外文關鍵詞:High voltage gainCoupled InductorsSingle Active-Power-SwitchLow voltage stress
相關次數:
  • 被引用被引用:1
  • 點閱點閱:230
  • 評分評分:
  • 下載下載:24
  • 收藏至我的研究室書目清單書目收藏:0
本文提出具耦合電感之單主動開關高升壓直流轉換器,電路中使用耦合電感器,在該電感器的非磁化期間,部份能量對箝位電容器充電;以及在該電感器的磁化期間,輸入電壓的能量,可以被移動轉至二次側且充電至一升壓電容器與一倍壓電容器。而且,在該電感器的磁化期間,箝位電容器的能量,被該電感器移轉至該升壓電容器。藉由輸入電壓、耦合電感器的一次側與二次側的輸出、升壓電容器及倍壓電容器,以一適當的導通率,高的電壓增益被達成。電路中,一單主動開關,可簡化控制;而且,高的電壓增益,及減小該主動開關上的電壓突波,以降低開關損失。而且,高的開關頻率設計可以減小電路的物理體積。
本文討論電路在連續以及不連續導通模式下的工作原理及其穩態特性,並探討邊界導通模式的條件。最後實作一組輸入電壓18V~30V、輸出電壓200V、輸出功率200W的實驗電路,以驗證本轉換器的性能。其中,實驗電路在18V/200V、工作頻率50KHZ時,輸出30W、效率96.90%,輸出200W、效率89.36%。

In this thesis, a Single Active-Power-Switch High Step-up DC-to-DC Voltage Converter with Coupled Inductors is proposed. During the non-magnetization period of the inductor which is used in the circuit, the clamp capacitor is charged by the inductor and a part of energy. And during the process of magnetization of the inductor, the energy of input voltage can be transmitted to secondary side in order to be charged to a boost capacitor and a double voltage capacitor. Furthermore, the energy of the clamp capacitor is transferred to the boost capacitor by the inductor during the process of magnetization of the inductor. A high boost voltage gain and high efficiency can be achieved with a proper duty ratio by the input voltage, primary and second dary outputs of the coupled inductors, boost capacitor and the voltage double capacitor. In the circuit, a single active switch doesn’t make the control complicated. Moreover, high boost voltage gain reduces the voltage surge of the leakage inductor in the active switch and switching losses. In addition, a high switching frequency design can reduce the physical volume of the circuit.
This article will discuss the operating principle of the circuit in continuous, discontinuos conduction modes and its steady-state characteristics. The boundary operating conditions will also be mentioned in the discussed. Finally, we implemented a experimental circuits with an input voltage of 18V~30V, output voltage of 200V, and output power of 200W to verify the performance.

摘要 I
ABSTRACT II
致謝 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 研究目的 2
1.3 內容大綱 4
第二章 高升壓比轉換器介紹與相關文獻探討 5
2.1 前言 5
2.2 基礎升壓型轉換器 5
2.3 二次升壓型轉換器 7
2.4 耦合電感式轉換器 10
2.5具有箝位電容之耦合電感升壓式轉換器 12
2.5.1 架構A 12
2.5.2 架構B 14
2.6 升壓型耦合電感式轉換器 16
2.7 具有耦合電感之切換電容式轉換器 19
2.8 具有耦合電感之切換電容升壓式轉換器 21
2.8.1 架構A 21
2.8.2 架構B 23
2.8.3 架構C 30
2.8.4 架構D 33
第三章 具耦合電感之單主動開關高升壓直流轉換器分析 37
3.1 前言 37
3.2 主電路介紹 37
3.3 連續導通模式動作原理分析 41
3.3.1 動作模式分析 45
3.3.2 電壓增益推導 63
3.3.3 電壓應力推導 66
3.3.4 各元件電流推導 69
3.3.5 電容容值計算 76
3.4 不連續導通模式動作原理分析 78
3.4.1 動作模式分析 81
3.4.2 電壓增益推導 87
3.5 邊界導通模式的條件 92
第四章 電路設計與實驗結果 93
4.1 前言 93
4.2 電路規格簡介 93
4.3 耦合電感設計 94
4.4 切換開關與二極體選擇 95
4.5 電容容值設計 97
4.6 實驗結果與波型量測 99
4.7 效率量測 113
第五章 結論與未來展望 118
5.1 結論 118
5.2 未來展望 119
參考文獻 120


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