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博碩士論文 etd-0730116-155451 詳細資訊
Title page for etd-0730116-155451
論文名稱
Title
用於功率因數修正之交錯式倍壓升壓型轉換器之研製
Design and Implementation of an Interleaved Voltage-Doubler Boost Converter for Power Factor Correction
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
95
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2016-08-19
繳交日期
Date of Submission
2016-08-31
關鍵字
Keywords
單相操作、倍壓電路、雙相交錯操作、功率因數修正、倍壓升壓型轉換器
Voltage-Doubler Boost Converter, Voltage-Doubler Circuit, Two-Phase Interleaved Operation, Single-Phase Operation, Power Factor Correction
統計
Statistics
本論文已被瀏覽 5708 次,被下載 148
The thesis/dissertation has been browsed 5708 times, has been downloaded 148 times.
中文摘要
本論文提出一新型交錯式倍壓升壓型轉換器,並以數位式平均電流控制法達成功率因數修正。本文所提之電路架構利用雙相交錯式架構,減少元件上的電流應力與電磁干擾問題,此外為了應用於高電壓場合,電路架構於輸出端使用兩電容疊加成倍壓電路,利用雙相交錯式操作對兩電容交替充電,使其輸出電壓增益,可達一般升壓型轉換器的兩倍,此外,所提架構更能減少功率開關所承受的電壓應力。本文所提出之交錯式倍壓升壓型轉換器可藉由繼電器切換調整為單相架構操作,此時之電壓增益與一般升壓型轉換器相同,但透過交錯式雙相操作與單相操作的搭配,可實現更大範圍的輸出電壓變動,以提供較大的運用彈性。本文中利用TI TMS320F28335數位訊號處理晶片,實現一交流輸入電壓110V,直流輸出電壓200V至700V及輸出功率700W之交錯式倍壓升壓型功率因數修正器,此修正器於400V以上時利用雙相交錯操作,於400V以下時執行單相操作。實驗結果驗證,本文所提之架構於不同輸出電壓範圍內,其功率因數及輸入電流總諧波失真均可符合國際規範,且其最高轉換效率可達95.2%。
Abstract
This thesis proposes a novel interleaved voltage-doubler boost converter and uses digital average current control to achieve power factor correction. The proposed converter uses a two-phase interleaved circuit to reduce the current stresses on components and electromagnetic interferences. Furthermore, a voltage-doubler circuit with two capacitors in series at the output terminal is cascaded to the two-phase interleaved circuit for high voltage applications. The capacitors of the voltage-doubler circuit are charged alternately by the two-phase interleaved operation; therefore, the voltage conversion gain of the proposed converter is two-times of a conventional boost converter. Besides, the proposed converter can also reduce the voltage stresses on power switches. The converter proposed in this thesis can be adjusted to the single-phase with the operation of a relay. Meanwhile, the voltage conversion gain is the same as a conventional boost converter. With the alteration between the two-phase interleaved and single-phase operations, a wider output voltage range that provides greater application elasticity can be realized. TI TMS320F28335 is used in this thesis to design and implement the proposed interleaved voltage-doubler boost converter for power factor correction with an AC input voltage of 110V, a DC output voltage between 200V to 700V and an output power of 700W. The proposed converter is activated in the two-phase interleaved operation and single-phase operation when the output voltage is larger than 400V and less than 400V, respectively. Experimental results indicate that the power factors and total harmonic distortion of input currents of the proposed converter at different output voltages can meet the international regulations. Besides, a maximum conversion efficiency of 95.2% can be achieved.
目次 Table of Contents
論文審定書 i
誌謝 ii
摘要 iii
Abstracti iv
目錄 v
圖目錄 vii
表目錄 x
第一章 緒論 1
1-1 研究背景 1
1-2 研究動機 3
1-3 論文大綱 4
第二章 功率因數修正與倍壓電路簡介 5
2-1功率因數與諧波失真定義 5
2-2功率因數修正器操作模式與控制方法介紹 8
2-2-1功率因數修正器操作模式 8
2-2-2功率因數修正器控制方法 9
2-3升壓型功率因數修正器 12
2-3-1單相升壓型轉換器 12
2-3-2雙相交錯式升壓型轉換器 16
2-4倍壓升壓型功率因數修正器 17
第三章 交錯式倍壓升壓型轉換器之原理 20
3-1交錯式倍壓升壓型轉換器電路架構分析 20
3-1-1功率開關責任週期大於0.5之動作模式分析 23
3-1-2功率開關責任週期小於0.5之動作模式分析 26
3-2升壓型轉換器損失估算 32
第四章 電路設計與控制 36
4-1電路元件與參數設計 36
4-1-1電感元件選擇 36
4-1-2輸出二極體選擇 39
4-1-3輸出電容元件選擇 39
4-1-4功率開關元件選擇 41
4-1-5橋式整流元件選擇 41
4-2周邊電路設計 42
4-2-1功率開關驅動電路 42
4-2-2取樣電路 43
4-2-3 EMI濾波器 47
4-3控制晶片與程式設計 48
4-3-1 TMS320F28335數位訊號控制器與CCStudio簡介 49
4-3-2數位式平均電流控制法 51
第五章 電路實驗結果 55
5-1交錯式倍壓升壓型轉換器實測 55
5-2交錯式倍壓升壓型轉換器單相運作實測 67
5-3交錯式倍壓升壓型轉換器損失計算 74
第六章 結論與未來展望 79
6-1結論 79
6-2未來展望 80
參考文獻 81
參考文獻 References
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