研究生: |
洪瑞鴻 Ruei-Hung Hung |
---|---|
論文名稱: |
2kW 功率因數修正器研製 Study and Implementation of a 2-kW Power Factor Corrector |
指導教授: |
羅有綱
Yu-Kang Lo |
口試委員: |
楊宗銘
Tsung-Ming Yang 彭榮芳 Rung-Fung Peng 劉益華 Yi-Hwa Liu |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電子工程系 Department of Electronic and Computer Engineering |
論文出版年: | 2005 |
畢業學年度: | 93 |
語文別: | 中文 |
論文頁數: | 84 |
中文關鍵詞: | 平均電流模式控制 、功率因數修正器 |
外文關鍵詞: | average current control, power factor corrector |
相關次數: | 點閱:383 下載:19 |
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本論文主旨在於討論功率因數修正器之設計,並針對其種類及控制策略進行分析與比較,最後以升壓型轉換器作為主電力電路架構,採用固定切換頻率及平均電流控制模式,以降低輸入電流諧波,並使輸入電流與電壓同相,達到單一功率因數的目的。
在實作上分別以UC3854及L4981做為控制IC,研製一2 kW的功率因數修正器。實驗結果驗證了所採控制技術之正確性與可行性,同時也提及後續可能的研究方向,以期更為提高功率及效率。
This thesis is focused on the design and implementation of a power factor corrector (PFC). Various types of PFC topologies and several control schemes are also discussed and compared. Finally, the average current mode control with a constant switching frequency is adopted. The main objective is to reduce the input current harmonics and to achieve a unity power factor.
Two 2-kW PFC prototypes are implemented based on the UC3854 and L4981 control IC’s, respectively. Satisfactory experimental results confirm the validity and feasibility of the adopted scheme. Potential future works are mentioned to further improve the power level and conversion efficiency.
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