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研究生:邱良祥
研究生(外文):Liang-Hsiang Chiu
論文名稱:環型壓電變壓器應用於直流電源轉換器之研究
論文名稱(外文):Study of DC-DC Converters Utilizing Annular-Type Piezoelectric Transformer
指導教授:李嘉猷
指導教授(外文):Jia-You Lee
學位類別:碩士
校院名稱:國立成功大學
系所名稱:電機工程學系碩博士班
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:2002
畢業學年度:90
語文別:中文
論文頁數:86
中文關鍵詞:壓電變壓器直流電源轉換器相位檢測器
外文關鍵詞:Phase DetectorDC-DC ConverterPiezoelectric Transformer
相關次數:
  • 被引用被引用:12
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  • 下載下載:293
  • 收藏至我的研究室書目清單書目收藏:0
壓電變壓器應用於低壓直流電源轉換器時,一般採用厚度共振模態壓電變壓器以適應低阻抗負載,唯該型壓電變壓器之結構與製程較為複雜,且於商用化上有專利權問題。本文則係採用結構及製程均較為簡單之環型壓電變壓器,進行其應用於低壓直流電源轉換器之研究。文中首先推導環型壓電變壓器之等效模型,並使用Spice 與Matlab 軟體分析與模擬其特性。最後,配合相位檢測器及脈波寬度調變技術,利用半橋諧振式電路驅動環型壓電變壓器,令壓電變壓器確定工作於其諧振頻率,俾使其得以因應輸出端負載之變動,且達致較高輸出效率之目的。
When the piezoelectric transformer (PT) applies to DC-DC converters, it always uses thickness vibration mode PT for low impedance load. Because the structure and manufacture of the
above-mentioned PT is complex and there are patent problems in business, this thesis adapts simpler Annular-Type PT in structure and
manufacture to study DC-DC converters. First of all,the PT equivalent circuit and characteristics is introduced. And uses Spice and Matlab to
simulate and analyze. Later it uses the half bridge resonant circuit to drive the PT. A control strategy for DC-DC converters based on phase detector circuit. The control always tracks transformer resonance frequency. Voltage regulation is achieved by adopting the pulse width
modulation technique. Eventually, it will achieve the purpose of higher output efficiency.
中文摘要........................................I
英文摘要.......................................II
誌謝..........................................III
目錄...........................................IV
圖目錄.........................................VI
表目錄..........................................X
符號表.........................................XI
第一章 緒論.....................................1
1-1 研究背景與目的............................1
1-2 論文大綱..................................5
第二章 環型壓電變壓器簡介與等效模型建立.........6
2-1 前言......................................6
2-2 壓電變壓器簡介............................6
2-3 壓電變壓器等效模型量測與建立.............11
2-4 壓電變壓器應用...........................18
第三章 環型壓電變壓器基本特性分析與量測........19
3-1 前言.....................................19
3-2 壓電變壓器特性分析.......................19
3-2-1 最大電壓增益.......................21
3-2-2 最大輸出功率.......................21
3-2-3 最大效率...........................22
3-3 雙埠網路分析.............................23
3-4 壓電變壓器等效電路轉換...................29
3-5 串聯諧振並聯負載電路.....................30
3-6 實際量測結果.............................32
第四章 驅動電路與模擬.........................35
4-1 前言.....................................35
4-2 電路架構.................................35
4-3 壓電變壓器半橋諧振驅動電路...............37
4-4 相位檢測器...............................44
4-5 壓控振盪器電路設計.......................47
4-6 PWM驅動電路設計..........................49
4-7 Spice軟體模擬結果........................52
第五章 實驗結果與波形分析.....................55
5-1 前言.....................................55
5-2 硬體電路製作.............................55
5-3 實驗結果.................................56
第六章 結論與未來研究方向.....................65
6-1 結論.....................................65
6-2 未來研究方向.............................65
參考文獻.......................................67
附錄A 相位檢測器及PWM控制器實體電路............71
自傳...........................................72
著作權聲明.....................................73
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