隨著科技進步與政府的推動，電動車逐漸成為現代化的一大趨勢，而電動車充電樁多為定點充電，如能與車體結合光伏能源，在行駛的過程中輔助電動車電池進行充電，這樣一定能減少在定點充電所需的時間，故本論文提出一交錯式升壓串接諧振轉換器。本轉換器以交錯式升壓電路串接全橋LLC電路作為主要架構，前級使用交錯式升壓電路能有效的降低輸入電流漣波，後級使用全橋LLC諧振轉換器，後級轉換器針對寬範圍輸出電壓分為調頻與相移模式兩種控制模式來切換。本轉換器具以下優點(1)前級應用同步整流技術使效率提升;(2)後級結合相移模式使轉換器能操作在更低的電壓範圍，同時達到全範圍零電壓切換與二次側整流二極體零電流切換以提升效率(3)實現寬輸入80V~120V與寬輸出280V~410V之所提轉換器輸出功率1kW，將可應用在光伏能源對電動車電池充電，經實驗結果顯示，該轉換器操作在低壓輸入80V時效率可達93.10%;在高壓輸入120V時效率可達95.30%。

With the advancement of technology and the promotion of the government, electric vehicles have gradually become a major trend, and electric vehicle charging stations are mostly fixed point charging. If photovoltaic energy can be combined with the vehicle body to assist the electric vehicle battery in charging during driving, this can reduce the time required for fixed point charging. Therefore, this paper proposes an interleaved boost cascade resonant converter. This converter uses an interleaved boost circuit and a cascade full bridge LLC circuit as the main architecture. The front stage uses an interleaved boost circuit to effectively reduce input current ripple, while the rear stage uses a resonant converter. The converter is divided into frequency modulation and phase shift modes to switch different modes for a wide range of output voltage. This conversion device has the following advantages: (1) the use of synchronous rectification technology in the front stage improves efficiency; (2) The combination of phase shift mode in the later stage enables the converter to operate in a lower voltage range, while achieving full range zero voltage switching and secondary side rectifier diode zero current switching to improve efficiency. (3) It achieves wide input of 80V~120V and wide output of 280V~410V, and is applied in photovoltaic energy to charge electric vehicle batteries with an output power of 1kW. The experimental results show that the efficiency of this converter can reach 93.10% when operating at a low voltage input of 80V, and 95.30% when operating at a high voltage input of 120V.

摘要…i
Abstract…ii
誌謝…iii
目錄…iv
表目錄…vi
圖目錄…vii
第一章 緒論…1
1.1研究動機…1
1.2文獻探討…2
1.3論文貢獻…7
1.4論文大綱…7
第二章 交錯升壓式串接諧振轉換器架構…8
2.1交錯升壓式串接諧振轉換器架構相關應用…8
2.1.1 再生能源…8
2.1.2 電動車充電樁應用…10
2.2硬性切換與柔性切換之差異…11
2.3交錯升壓式串接全橋LLC諧振轉換器…12
2.3.1前級交錯升壓式電路動作原理分析…13
2.3.2輸入電流漣波特性…16
2.3.3後級全橋LLC諧振轉換器調頻控制工作階段分析…18
2.3.4後級全橋LLC諧振轉換器相移控制工作階段分析…22
2.3.5增益特性分析…26
2.4調頻模式與相移模式於降壓模式時的比較…36
第三章 所提轉換器之電路參數設計…39
3.1前級交錯升壓式轉換器設計…39
3.1.1前級轉換器之規格與元件…40
3.1.2升壓電感計算…40
3.2後級全橋LLC諧振轉換器設計…42
3.2.1高頻變壓器設計…42
3.2.2激磁電感Lm限制…43
3.2.3電感係數k值的選擇…45
3.2.4品質因數Q值的選擇…46
3.2.5諧振參數設計…47
3.2.6功率開關的選擇…48
3.2.7輸出濾波電容設計…48
3.2.8整流二極體選擇…49
3.3控制電路設計…50
3.3.1電壓取樣電路…50
3.3.2光耦合驅動器…51
3.3.3數位控制電路…53
3.3.4 DSP保護電路…56
第四章 交錯升壓式串接全橋LLC諧振轉換器模擬與實驗結果…57
4.1轉換器規格…57
4.2前級交錯升壓式轉換器…59
4.2.1前級轉換器電路模擬分析與實驗結果比較…59
4.3後級全橋LLC諧振轉換器…65
4.3.1相移控制模式電路模擬分析與實驗結果…65
4.3.2調頻控制模式電路模擬分析與實驗結果…70
4.4動態負載之實驗結果…75
4.5交錯升壓式串接全橋LLC諧振轉換器效率…79
第五章 結論與未來展望…84
5.1結論…84
5.2未來展望…85
參考文獻…86
Extended Abstract…89

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