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研究生： 黃品諭
Pin-yu Huang
論文名稱： 應用於永續能源電能轉換器之新型非電解電容倍壓整流電路
A Novel Voltage Doubler Rectifier with Non-Electrolytic Capacitor for Sustainable Energy Power Converters
指導教授： 呂錦山
Ching-Shan Leu
口試委員: 邱煌仁
Huang-Jen Chiu
黃仲欽
Jong-Chin Hwang
楊宗銘
Chung-Ming Young
林瑞禮
Ray-Lee Lin
學位類別： 碩士
Master
系所名稱： 電資學院 - 電機工程系
Department of Electrical Engineering
論文出版年： 2011
畢業學年度： 99
語文別： 英文
論文頁數： 74
中文關鍵詞： 電流饋入式 、高電壓增益 、非電解電容 、永續能源 、倍壓電路
外文關鍵詞： current-fed, high voltage gain, non-electrolytic capacitor, sustainable energy power system, voltage doubler
相關次數： 點閱：384  下載：6 
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    • 本文提出一個應用於永續能源電能轉換器之新型非電解電容的倍壓整流電路，並且將本文所提出的倍壓整流電路分別應用在兩個不同的電流饋入式架構。由於傳統的整流電路必須使用容值較大的電解電容來解決較大的電流漣波，並滿足輸出電壓漣波規格。然而電解電容的壽命隨著電流漣波增大與溫度升高而下降，因此使用電解電容間接限制電能轉換器的壽命。因此，本文提出一個新型倍壓整流電路，藉由相互抵消電容上的電壓漣波機制，得以使用較小容值的電容滿足輸出電壓漣波規格，並且降低流經電容上的電流漣波，得以降低電容上等效串聯電阻的損耗，藉此達到非電解電容的倍壓整流電路。
    本文將傳統的倍壓整流電路與提出的倍壓整流電路應用在電流饋入式架構，分別就電容上的電流與輸出電壓漣波做分析與推導。並且輔以SIMPLIS電路模擬軟體將分析的結果驗證，最後，實作三個輸入電壓36-75V 輸出400V/400W之電流饋入式之傳統倍壓整流電路、電流饋入式之新型倍壓整流電路與電流饋入式雙輸入電感之新型倍壓整流電路，俾以驗證本論文所提出分析方法的可行性

    A novel voltage doubler rectifier with non-electrolytic capacitor for sustainable energy power converters is proposed in this thesis. By applying the proposed rectifier to two current-fed converters as application examples, a current-fed push-pull boost converter with voltage doubler (CFBCVD) and a dual inductor current-fed boost converter with voltage doubler (DIBCVD) are presented. In addition to inheriting the advantages of the current-fed boost converters, the presented converters feature reduced output capacitor current ripple and output voltage ripple. Consequently, long life film capacitor can be used to replace the aluminum electrolytic capacitor and the reliability of the power converter can be enhanced. These features make it desirable for high frequency, high efficiency, high output-voltage, and high reliability power applications, such as the sustainable energy source power system. In addition to the operation principle, theoretical analysis, and design considerations, three voltage doubler rectifier current-fed push-pull converters are implemented and compared with 150 kHz, 36~75V input and 400V/400W output specifications.

    Abstract................... I Acknowledgements........... II Table of Contents.......... III List of Figures............ V List of Tables............. VIII Chapter 1 Introduction..... 1 1.1 Background and Motivation....... 1 1.2 Objectives of the Thesis........ 4 1.3 Organization of the Thesis...... 4 Chapter 2 Current-Fed Boost Converter with Voltage Doubler (CFBCVD)...... 6 2.1 Introduction............................. 6 2.2 Operation Principle...................... 7 2.3 Circuit Analysis......................... 10 2.3.1 Voltage gain ............................10 2.3.2 Output capacitor current analysis...... 10 2.3.3 Output voltage ripple cancellation..... 12 2.4 Comparisons of the CFBCVD and Conventional-VD..... 15 2.4.1 The transformer secondary windings current...... 15 2.4.2 The output capacitor current.................... 16 2.4.3 The output voltage ripple....................... 18 2.5 Circuit Design .....................................20 2.5.1 Transformer......................................20 2.5.2 Input inductor.................................. 24 2.5.3 Output capacitors............................... 25 2.5.4 Clamp capacitor................................. 25 2.5.5 Rectifier diodes................................ 25 2.5.6 Main switches................................... 26 2.6 Simulations Results................................27 2.7 Experimental Results..............................30 2.8 Summary........................................... 36 Chapter 3 Dual Inductor Current-Fed Boost Converter with Voltage Doubler (DIBCVD)............................ 38 3.1 Introduction.................... 38 3.2 Operation Principle............. 39 3.3 Circuit Analysis................ 42 3.3.1 Voltage gain ..................42 3.3.2 Input inductor current........ 42 3.4 Comparison between the CFBCVD and the DIBCVD...... 43 3.4.1 Input inductor current.......................... 43 3.4.2 Transformer..................................... 44 3.4.3 Voltage stress of the main switches............. 45 3.5 Circuit Design .....................................46 3.5.1 Transformer......................................46 3.5.2 Input inductor.................................. 49 3.5.3 Main switches................................... 50 3.6 Simulation Results................................ 51 3.7 Experimental Results.............................. 53 3.8 Summary........................................... 58 Chapter 4 Conclusion and Future Researches............ 59 4.1 Conclusions....................................... 59 4.2 Future Researches..................................60 References.............................................61 Vita...................................................65

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