本論文提出一個具有大範圍升降壓之雙向DC/DC轉換器，可適用於電動車與電網(Vehicle-To-Grid)電能轉換所需之雙向電能轉換，其大範圍升降壓比之特性，亦可用於現今電動機車、汽車、巴士、卡車等，不同電壓等級的汰役電池之電能轉換。論文中所提出之雙向DC/DC轉換器係利用兩臂交錯式半橋及倍壓電路所串接而成，論文中電路分析以兩臂交錯式半橋為A端，倍壓電路為B端探討各架構下的電路動作模式及電壓轉換比。當電路由A端至B端時，電路架構可依不同電壓等級之雙向電能轉換，而操作在交錯式升壓架構、單一升壓架構、堆疊降升壓架構及單一降壓架構；當電路由B端至A端時，電路架構則可依不同電壓操作在交錯式降壓架構、單一降壓架構、堆疊降升壓架構及單一升壓架構，進而實現大範圍升降壓比之雙向電能轉換。論文中實現一A端電壓150V、B端電壓25~1050V及額定功率1100W之雙向DC/DC轉換器，實驗結果證實所提電路可依不同電壓範圍而操作於不同架構，且最高轉換效率可達97%。

A bidirectional DC-DC converter with wide-range voltage conversion ratios which can be used in the energy conversion of electric vehicle and vehicle-to-grid applications is proposed in this thesis. The characteristic of wide-range voltage conversion ratios can also be utilized in the energy conversion of retired battery packs with different voltage levels, such as electric scooters, electric vehicles, electrical buses, electric trucks etc. The proposed converter is composed of cascading a two-phase interleaved half-bridge circuit and a voltage-double circuit. The two-phase interleaved half-bridge circuit and the voltage-double circuit are defined as terminal A and terminal B, respectively to investigate the operational states of the proposed converter and analyze the voltage conversion ratios under different operational modes. From terminals A to B, the proposed converter can be operated in the interleaved-boost mode, single-boost mode, cascade-buck-boost mode or single-buck mode with respect to the voltage level of terminal B. In contrast, the proposed converter can be operated in the interleaved-buck mode, single-buck mode, cascade-buck-boost mode or single-boost mode from terminals B to A. A prototype for the proposed bidirectional DC-DC converter with a rated voltage of 150V at terminal A, a rated voltage between 25V and 1050V at terminal B and a rated power of 1100W is designed and implemented in this thesis. Experimental results demonstrate that the proposed bidirectional converter can be operated in the different modes with respect to different voltage levels. Meanwhile, a maximum conversion efficiency of 97% can be achieved.

論文審定書 i
誌謝 ii
摘要 iii
Abstract iv
目錄 v
圖目錄 vii
表目錄 xi
第一章 緒論 1
1-1 研究背景 1
1-2 研究動機 5
1-3 論文大綱 6
第二章 相關電路架構介紹 8
2-1傳統升壓及降壓轉換器 8
2-2高升降壓比轉換器 10
2-3雙向升降壓轉換器 11
2-4雙向隔離型轉換器 13
第三章 大範圍高升降壓比之雙向DC/DC轉換器介紹 17
3-1 A端至B端穩態操作模式原理分析 17
3-1-1 A端至B端操作於交錯式升壓架構 19
3-1-2 A端至B端操作於單一升壓架構 25
3-1-3 A端至B端操作於堆疊降升壓架構 29
3-1-4 A端至B端操作於單一降壓架構 35
3-2 B端至A端穩態操作模式原理分析 39
3-2-1 B端至A端操作於交錯式降壓架構 40
3-2-2 B端至A端操作於單一降壓架構 46
3-2-3 B端至A端操作於堆疊式降升壓架構 49
3-2-4 B端至A端操作於單一升壓架構 55
第四章 電路設計與控制 59
4-1電路元件與參數設計 59
4-1-1電感設計 59
4-1-2輸出電容元件選擇 61
4-1-3功率開關元件選擇 62
4-2周邊電路設計 62
4-3控制晶片設計 66
4-3-1 TMS320F28335數位訊號控制器與CCStudio簡介 66
4-3-2 程式設計流程介紹 68
第五章 電路測試規格與實驗結果 71
5-1 A端至B端各架構實驗波形 74
5-1-1 交錯式升壓架構 74
5-1-2 單一升壓架構 76
5-1-3 堆疊式降升壓架構 78
5-1-4 單一降壓架構 80
5-2 B端至A端各模式實驗波形 82
5-2-1 交錯式降壓架構 82
5-2-2 單一降壓架構 84
5-2-3 堆疊式降壓架構 86
5-2-4 單一升壓架構 88
5-3 輸出效率測試 90
第六章 結論與未來展望 103
6-1結論 103
6-2未來展望 104
參考文獻 105

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