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研究生:藍玄宗
研究生(外文):Lan, Syuan-Zong
論文名稱:具主動與被動緩振器之軟切式隔離型雙向轉換器研製
論文名稱(外文):Design and Implementation of an Isolated Bi-directional Soft-Switching Converter with Active and Passive Snubbers
指導教授:吳財福
指導教授(外文):Wu, Tsai-Fu
口試委員:林伯仁陳裕愷吳永駿吳財福余國瑞
口試日期:2011-07-29
學位類別:碩士
校院名稱:國立中正大學
系所名稱:電機工程研究所
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:2011
畢業學年度:99
語文別:中文
論文頁數:77
中文關鍵詞:隔離型雙向轉換器軟切換相移控制
外文關鍵詞:isolated bi-directional convertersoft-switchingphase-shifted control
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本論文主要研製一部可應用於再生能源系統之隔離型雙向轉換器。其架構為全橋式架構,具有高昇降壓比與高功率輸出之特性。除此之外,本雙向轉換器使用返馳式轉換器做為主動緩振器,以及電容-二極體做為被動緩振器,以解決濾波電感與變壓器漏感電流差值所產生的電壓突波問題,並且可使高、低壓側之功率開關達到近似ZCS軟切換之特性,並可降低變壓器漏感所產生之振鈴現象,提昇系統之穩定性。本雙向轉換器以微處理器dsPIC30F2020為控制中心,相較於傳統類比電路具有較高的可靠度與實用性等特點。最後依據本論文之分析與設計實作一部1.5 kW與3 kW之雙向轉換器,驗證此雙向轉換器之可行性與正確性。
This thesis presents design and implementation of an isolated bi-directional converter for renewable power system applications, and the topology of this converter is a full-bridge type with high conversion ratio and high output power features. The use of active flyback and passive capacitor-diode snubbers can alleviate the voltage spike caused by the current difference between filter inductor and leakage inductance of the isolation tansformer, reduce the ringing due to leakage inductance of the isolation tansformer, while achieve near ZCS soft-switching features on the both-side power switches. A single-chip microcontroller dsPIC30F2020 is adopted to realize the controller which has the advantage of high reliability and easy to maintain. Finally, a 1.5 kW and a 3 kW bi-directional converters have been implemented to verify the feasibility of the converter.
中文摘要 i
英文摘要 ii
目錄 iii
圖目錄 v
表目錄 vii
第一章 緒論 1
1.1 研究背景與動機 1
1.2 論文架構 4
第二章 隔離型全橋式雙向轉換器 5
2.1 雙向轉換器回顧 5
2.1.1 昇壓模式 7
2.1.2 降壓模式 9
2.2 雙向轉換器緩振器回顧 13
2.2.1 主動箝位緩振器 13
2.2.2 返馳式緩振器 15
2.3 主動與被動緩振器之動作原理 17
2.3.1 昇壓模式 17
2.3.2 降壓模式 23
2.4 雙向轉換器設計 27
第三章 系統設計與規劃 29
3.1 雙向轉換器電路架構 29
3.2 周邊硬體電路 30
3.2.1 輔助電源 30
3.2.2 回授電路 31
3.2.3 開關驅動電路 33
3.2.4 互鎖保護電路 34
3.3 軟體規劃 35
3.3.1 微處理器介紹 36
3.3.2 程式流程 38
第四章 電路製作與量測結果 41
4.1 電氣規格 41
4.2 硬體實測驗證 43
4.2.1 昇壓模式 43
4.2.2 降壓模式 50
4.3 3 kW雙向轉換器 55
第五章 結論與未來研究方向 61
5.1 結論 61
5.2 未來研究方向 62
參考文獻 63


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