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研究生:賴聖凱
研究生(外文):Sheng-Kai Lai
論文名稱:多模組並聯電源轉換器之均流控制設計與實現
論文名稱(外文):Design and Implementation of Paralleled Multi-Module Power Converters with Current-Sharing Control
指導教授:練光祐
指導教授(外文):Kuang-Yow Lian
口試委員:曾傳蘆王偉彥張帆人馮蟻剛
口試委員(外文):Chwan-Lu TsengWei-Yen WangFan-Ren ChangI-Kong Fong
口試日期:2012-07-23
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:2012
畢業學年度:100
語文別:中文
論文頁數:67
中文關鍵詞:升壓轉換器均流控制
外文關鍵詞:Boost ConverterCurrent-Sharing
相關次數:
  • 被引用被引用:2
  • 點閱點閱:576
  • 評分評分:
  • 下載下載:47
  • 收藏至我的研究室書目清單書目收藏:0
隨著科技產品的進步,電力設備的需求也日益提高,而電源轉換器的並聯使用可以提供高可靠度及高功率輸出的電源供給需求,但並聯後的電源轉換器必須藉由均流技術來確保每個模組的輸出電流可以相同;因此本論文中,提出一種改良式的內迴路架構,可以更方便快速的應用在市面上常見的PWM控制IC上,使多模組並聯DC-DC電源轉換器的最大電流模組可以調整其他模組的回授電流,來達到均流的效果,讓電流平均的分配至每一個模組中,使各模組的輸出功率平均化,改善多模組供電的效率問題,並能穩定的供應電源。我們利用升壓轉換器的數學模型,推導出多模組並聯升壓轉換器均流誤差方程式,並針對此方程式的輸入電壓項及輸出負載項做不確定量的穩定性分析以求得控制器增益,使多模組並聯升壓轉換器的輸入電壓及輸出負載在設計範圍內均能穩定地受到控制,以提高穩壓以及均流的效果。

With the advances in science and technology products, the requirements of electrical equipment are getting increasingly. Paralleled modules used for power supply can provide high reliability and steady current output. However, paralleled DC-DC converters require current-sharing techniques to ensure that the load current can be equally distributed to each converter. Hence, we propose an improved version of inner-loop structure which can be applied to general PWM control ICs more conveniently and rapidly. To achieve the effect of current-sharing control, the largest current module in the paralleled multi-module DC-DC converter regulates the feedback current to other modules, until the current is divided averagely to each module. Lyapunov stability method is used to analyze the error equation of the circuit system whereas the polytopic uncertainties are considered due to the variation coming from the input voltage and output load. We formulate the problem into LMIs and obtain compensator gains. Thus, the voltage stabilization and current equalization can be enhanced through the proposed structure in this thesis.

摘要 i
ABSTRACT ii
誌謝 iii
目錄 iv
圖目錄 vi
表目錄 ix
第一章 緒論 1
1.1 研究背景 1
1.2 研究動機 3
1.3 研究貢獻 3
1.4 論文架構 4
第二章 DC/DC升壓轉換器及並聯架構介紹 5
2.1 單模組DC/DC升壓轉換器介紹 5
2.2 電源轉換器迴路控制方法 13
2.2.1 電壓模式控制法 13
2.2.2 電流模式控制法 14
2.3 多模組DC/DC升壓轉換器介紹 16
2.3.1 電壓下降法 17
2.3.2 主動均流法 18
2.3.2.1 控制架構 19
2.3.2.2 均流誤差訊號產生方式 22
第三章 升壓轉換器之分析與設計 27
3.1 升壓轉換器的數學模型 27
3.2 控制器設計 36
3.2.1 系統規格 36
3.2.2 系統多面體不確定量穩定性分析 37
第四章 電路系統模擬 42
4.1 系統模型建立與原理說明 42
4.1.1單模組升壓轉換器 44
4.2 多模組升壓轉換器 48
4.2.1 未使用均流控制 48
4.2.2 使用均流控制 52
第五章 實驗結果與討論 56
5.1 系統的暫態測量 56
5.2 系統的穩態測量 59
第六章 結論與未來發展方向 62
6.1 結論 62
6.2 未來發展 62
參考資料 63
附錄 66


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