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研究生：	陳奕璁 Chen, Yi-Tsung
論文名稱：	具快速能量雙向轉換技術之雙向直流-直流轉換器之研製 Development of the Bidirectional DC-DC Converter with Fast Energy Bidirectional Transition Technology
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：	2021
畢業學年度：	109
語文別：	英文
論文頁數：	110
中文關鍵詞：	雙向轉換器、諧振路徑、快速能量雙向轉換
外文關鍵詞：	bidirectional converter, resonance path, fast energy bidirectional transition
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本論文中提出一種快速能量雙向轉換之技術，使功率潮流能平滑且快速地改變，並以一雙向直流-直流轉換器為電路架構。可應用在儲能系統的電池與直流匯流排之間的能量雙向傳遞。
快速能量雙向轉換技術是以加入諧振路徑，使儲能元件中的能量能夠快速轉換，卻又不會造成電路突波，進而達到快速能量雙向轉換的目的。文中將先針對升壓模式及降壓模式的操作進行分析，接著對轉換操作模式進行分析。另外文中將介紹穩態分析及參數設計。
本架構擁有高轉換比、架構簡單的優點。研製了一滿載500W，低壓側24V，高壓側200V的雙向直流-直流轉換器。最後，透過實作來驗證快速能量雙向轉換技術之可行性。升壓模式下最大效率為95.3%，降壓模式下最大效率為93.8%。且應用了快速能量雙向轉換技術，在滿載狀態下，從升壓模式轉換成降壓模式的暫態轉換時間為17.7 μs，從降壓模式轉換成升壓模式的暫態轉換時間為19.3 μs。

In this thesis, a technology for fast energy bidirectional transition is proposed, to make the power flow change smoothly and quickly, with a bidirectional DC-DC converter as the circuit architecture. This converter can be applied to the energy bidirectional transition between the battery of the energy storage system and the DC bus.
The fast energy bidirectional transition technology is to add a resonance path, so that the energy in the energy storage element can be quickly converted without causing circuit surges, thereby achieving the purpose of fast energy bidirectional transition. This thesis will first analyze the operation of the step-up mode and the step-down mode, then analyze the transition operation mode. In addition, steady-state analysis and parameter design will be introduced in the thesis.
This architecture has the advantages of high transition ratio and simple architecture. A prototype bidirectional DC-DC converter with full-load 500W, low side voltage 24V, high side voltage 200V is developed and implemented. Finally, the feasibility of the fast energy bidirectional transition technology is verified by the simulation results and experimental results. The maximum efficiency in the step-up mode and the step-down mode are 95.3% and 93.8%, respectively. With full load conditions, the transient time of transition from the step-up mode to the step-down mode is 17.7 μs, and the transient time of transition from the step-down mode to the step-up mode is 19.3 μs.

摘要 I
ABSTRACT II
ACKNOWLEDGEMENT	IV
CONTENTS V
LIST OF TABLES	VIII
LIST OF FIGURES	IX
CHAPTER 1	INTRODUCTION 1
1	Background and Motivation 1
1.1	Applications	1
1.2	Fast Energy Bidirectional Transition 3
2	Thesis Outline 4
CHAPTER 2	REVIEW OF BIDIRECTIONAL TOPOLOGIES 5
1	Isolated Bidirectional DC-DC Converter 5
1.1	Bidirectional Flyback DC-DC Converter 5
1.2	Bidirectional Full-Bridge/Push-Pull DC-DC Converter 8
1.3	Current-Fed Bidirectional Full-Bridge DC-DC Converter 10
2	Non-Isolated Bidirectional DC-DC Converter 12
2.1	Bidirectional Half-Bridge DC-DC Converter 12
2.2	Cascaded Bidirectional Buck-Boost/Half-Bridge DC-DC Converter 14
2.3	Interleaved Bidirectional Switched-Boost DC-DC Converter 17
2.4	Single-Stage Cascoded Bidirectional DC-DC Converter 19
3	Summary	21
CHAPTER 3	ANALYSIS AND DESIGN OF THE PROPOSED CONVERTER 23
1	The Proposed Bidirectional DC-DC Converter 23
2	Operating Principle in Step-up Mode 25
3	Operating Principle in Step-down Mode 29
4	Steady State Analysis 34
4.1	Derive Voltage Conversion Ratio in Step-up Mode	34
4.2	Derive Voltage Conversion Ratio in Step-down Mode 34
4.3	Boundary Operating Conditions in the Step-up Mode 35
4.4	Boundary Operating Conditions in the Step-down Mode 37
CHAPTER 4	TRANSITION MODE ANALYSIS AND CONTROL STRATEGY 39
1	Fast Energy Bidirectional Transition Technology	39
2	Transition Operation Mode 39
2.1	Transition Operation Mode from Step-up to Step-down 40
2.2	Transition Operation Mode from Step-down to Step-up 44
3	Transition Control Strategy 48
3.1	Flow Chart of Transition Control from Step-up to Step-down 48
3.2	Flow Chart of Transition Control from Step-down to Step-up 49
3.3	Transient Analysis from Step-up Mode to Step-down Mode 51
3.4	Transient Analysis from Step-down Mode to Step-up Mode 52
4	Digital Compensator Design 54
4.1	Block Diagram of Inductor Current Control in Step-up Mode 54
4.2	Block Diagram of Inductor Current Control in Step-down Mode 55
4.3	PI control 55
4.4	Flow Chart of Transition Control with Inductor Current Control 57
CHAPTER 5	PARAMETER DESIGN 59
1	The System Specifications 59
2	Component Parameter Design 60
2.1	Inductor Design	60
2.2	Capacitor Design 61
2.3	Switching Component Design 62
2.4	Component Design of Transition Technology 64
CHAPTER 6	SIMULATION RESULTS AND EXPERIMENTAL RESULTS 69
1	Simulation Results 69
1.1	Simulation Waveforms from Step-up Mode to Step-down Mode without Transition Mechanism 69
1.2	Simulation Waveforms from Step-down Mode to Step-up Mode without Transition Mechanism 70
1.3 	Simulation Waveforms from Step-up Mode to Step-down Mode with Transition Mechanism 72
1.4	Simulation Waveforms from Step-down Mode to Step-up Mode with Transition Mechanism 75
2	Experimental Results 78
2.1	Experimental Parameter Configuration 78
2.2	Calculated Loss Distribution 79
2.3	Experimental Waveforms of Step-up Mode  81
2.4	Experimental Waveforms of Step-down Mode 85
2.5	Experimental Waveforms from Step-up Mode to Step-down Mode 89
2.6	Experimental Waveforms from Step-down Mode to Step-up Mode 92
2.7	Experimental Waveforms with Inductor Current Control from Step-up Mode to Step-down Mode 95
2.8	Experimental Waveforms with Inductor Current Control from Step-	down Mode to Step-up Mode 100
CHAPTER 7	CONCLUSIONS AND FUTURE WORKS 105
1	Conclusions 105
2	Future Works 106
References 107
                                    

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校內：2026-08-18公開
校外：2026-08-18公開電子論文尚未授權公開，紙本請查館藏目錄

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