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研究生：	王聖評 Wang, Sheng-Ping
論文名稱：	新型具耦合電感雙向直流轉換器之研製 Design and Implementation of a Novel Bidirectional DC-DC Converter with Coupled Inductor
指導教授：	陳建富 Chen, Jiann-Fuh
學位類別：	碩士 Master
系所名稱：	電機資訊學院 - 電機工程學系 Department of Electrical Engineering
論文出版年：	2018
畢業學年度：	106
語文別：	英文
論文頁數：	70
中文關鍵詞：	雙向轉換器、耦合電感、軟開關
外文關鍵詞：	Bidirectional converter, coupled inductor, soft switching
相關次數：	點閱：55 下載：0
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本文設計並研製一應用於微電網之雙向具耦合電感升壓/降壓轉換器。當電池傳送能量至匯流排時，此電路架構之動作原理為並聯型升壓轉換器與耦合電感的結合。此轉換器具有架構簡單且高轉換比之優點，透過設計可使一次側開關和二次側開關內部二極體分別實現零電壓導通和零電流截止，開關損耗和逆向恢復電流問題會降低進而提升整體轉換器效率。文中引入交錯並聯技術，使每一顆耦合電感的匝數比可以削減，且一次側電流應力也會降低，可提高整體容量。當直流匯流排對電池充電時，此電路架構之動作原理如同並聯型具耦合電感降壓轉換器動作。
文中先有動作模式分析、穩態分析及元件參數設計。之後，研製一滿載1 kW，提供車用 110 V 電池及 400 V 直流匯流排之雙向直流轉換器以證實所提轉換器架構之可行性。

In this thesis, a novel bidirectional boost/buck converter with coupled inductor for microgrid is designed and implemented. This converter has simple structure and high conversion ratio. When batteries release energy to DC bus, this converter functions like a parallel boost converter with coupled inductor. ZVS turn-on and ZCS turn-off can be respectively accomplished by primary side switches and secondary side switch parasitic diodes through design. Therefore, the problems of switching loss and reverse recovery current are reduced so as to improve the efficiency of the converter. Besides, by using interleaved technology, the turn ratio of each coupled inductor can be curtailed significantly, and current stress at the primary-side winding is also decreased. Therefore, the capacity of the converter can be increased obviously.
The operating principles, steady-state analysis, and component parameter designs are presented in this thesis. Then, a prototype with for 110V car battery, DC bus of 400V and output power of 1 kW is implemented to verify the feasibility of the proposed converter.

摘要..................................................I
Abstract.............................................II
誌謝.................................................III
Contents.............................................IV
List of Figures......................................VI
List of Tables......................................VIII
CHAPTER 1 Introduction...............................1
1	Background and Motivation....................1
2	Organization.................................3
CHAPTER 2 Review of Topologies.......................4
1	Isolated Bidirectional DC-DC Converter.......5
1.1	Bidirectional Flyback Converter..............5
1.2	Bidirectional Half-Bridge/Push-Pull DC-DC Converter............................................7
1.3	Bidirectional Full-Bridge/Push-Pull DC-DC Converter............................................9
2	Non-isolated Bidirectional DC-DC Converter...11
2.1	Bidirectional boost/buck Converter...........11
2.2	Bidirectional DC-DC Converter with Coupled Inductor.............................................12
2.3	Bidirectional Cascaded Flyback Converter.....14
3	Comparison of the Bidirectional Converter....16
CHAPTER 3 Analysis of the Bidirectional DC-DC Converter with Coupled Inductor................................17
1	Topology of the Proposed Converter...........17
2	Step-Up Mode.................................19
2.1	Operating Principle of Step-Up Mode..........19
2.2	Voltage Conversion Ratio under Step-Up Mode..27
2.3	Boundary Conduction Condition under Step-Up Mode	.....................................................31
3	Step-Down Mode...............................33
3.1	Operating Principle of Step-Down Mode........33
3.2	Voltage Conversion Ratio under Step-Down Mode.................................................40
3.3	Boundary Conduction Condition under Step-Down Mode.................................................41
CHAPTER 4 Parameter Design and Experimental Results..43
1	Components Parameter Design..................43
1.1	Coupled Inductors Design.....................44
1.2	Output Capacitors CH1, CH2...................47
1.3	Switches S1~S6...............................48
2	Experimental Results.........................49
2.1	Step-Up Mode Experimental Waveforms..........50
2.2	Step-Down Mode Experimental Waveforms........59
CHAPTER 5 Conclusions and Future Works...............66
1	Conclusions..................................66
2	Future Works.................................67
References...........................................68

                                    

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校內：2023-07-01公開
校外：不公開電子論文尚未授權公開，紙本請查館藏目錄

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