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研究生:侯人友
研究生(外文):Ren-You Hou
論文名稱:兩段式定電流輸出之功率因數修正器研製
論文名稱(外文):Design and Implementation of a Boost Power Factor Corrector for Two-Stage Constant Output Current
指導教授:歐勝源
口試委員:王建民賴炎生
口試日期:2008-07-30
學位類別:碩士
校院名稱:國立臺北科技大學
系所名稱:電機工程系所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2008
畢業學年度:96
語文別:中文
論文頁數:63
中文關鍵詞:定電流輸出升壓型功率因數修正器
外文關鍵詞:constant current outputboost power factor corrector
相關次數:
  • 被引用被引用:2
  • 點閱點閱:230
  • 評分評分:
  • 下載下載:12
  • 收藏至我的研究室書目清單書目收藏:1
本論文所提出兩段式定電流輸出之功率因數修正器,操作在連續導通模式下,以平均電流模式控制,使電源端之輸入電流相位與輸入電壓相位同相進而達到功率因數修正之功能。
  此電路架構分兩段切換狀態,第一段0.5安培定電流輸出與第二段0.2安培定電流輸出,切換之時間點為當負載累積電壓值大於設定電壓上限值時,則切換至第二段小電流輸出;當累積電壓值小於設定電壓下限值時,則再由第一段大電流輸出。最後並以實例驗證,證明本文所提之電路與架構確實能有效提高功率因數且定電流輸出。
This thesis focuses on the design and implementation of a boost power factor corrector for two-stage constant output current, while using average current mode control and operating in continuous conduction mode. The input voltage and the input current are made inphase to increase power factor.
There are two stages in the used boost power factor corrector, including the first stage for 0.5A constant output and the second stage for 0.2A constant current output current. As the output voltage reaches the upper limit, the circuit will be switched from the first stage to the second stage. Also, the output voltage reaching the lower limit, it will be switched from the second stage to the first stage. Experimental results show good conformation with the theoretical data.
中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vi
圖目錄 vii
第一章 緒論 1
1.1研究背景與動機 1
1.1.1 功率因數修正器 2
1.1.2 定電流輸出 4
1.2研究方法 4
1.3論文架構 5
第二章 功率因數修正 7
2.1功率因數 7
2.1.1 總諧波失真 7
2.1.2 功率因數 8
2.2直流/直流轉換器電路分析 11
2.2.1 升壓型轉換器 12
2.2.2 降壓型轉換器 15
2.2.3 升降壓型轉換器 16
2.3電流模式控制 18
2.3.1 磁滯電流模式 18
2.3.2 峰值電流模式 19
2.3.3 平均電流模式 20
第三章 升壓型功率因數修正器之電路設計 22
3.1升壓型功率因數修正器設計流程 22
3.1.1 儲能電感設計 22
3.1.2 輸出電容設計 24
3.1.3 功率開關與功率二極體之選擇 24
3.2 UC3854A簡介 25
3.2.1 UC3854A接腳介紹 25
3.2.2 UC3854A電路設計方法 27
3.3定電流輸出之回授電路 36
3.3.1 電流感測電路 36
3.3.2 兩段式切換定電流輸出電路 37
第四章 實驗結果與波形 39
4.1前言 39
4.2實驗結果 39
4.2.1 升壓型功率因數修正器實測波形 40
4.2.2 升壓型功率因數修正器實驗數據 44
4.2.3 兩段式定電流切換實測波形 47
4.2.4 兩段式定電流切換電路實驗數據 51
第五章 結論與未來展望 53
5.1結論 53
5.2未來展望 54
參考文獻 59
附錄A 整體系統之硬體實作實體圖 61
符號索引 62
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