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研究生:陳俊元
研究生(外文):Jun-Yuan Chen
論文名稱:切換式電力轉換器的電腦化EMI量測與濾波器設計
論文名稱(外文):Computerized EMI Measurement of Switch Mode Converters and Filter Design
指導教授:張嘉男
指導教授(外文):Chia-Nan Chang
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:電子工程系
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:1999
畢業學年度:87
語文別:中文
論文頁數:100
中文關鍵詞:電磁干擾實驗室自動化濾波器功因修正傳導性共模差模
外文關鍵詞:EMILabVIEWfilterPFCConductedCommon-ModeDifferential-Mode
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本論文中提出了一個量測及設計傳導性EMI的雜訊及設計濾波器的新方法,配合一個合適的EMI濾波器架構,以LabVIEW這一功能廣大的軟體,將頻譜分析儀與PC連結,整合儀器控制方面的問題,並將其EMI濾波器的設計步驟予以電腦化。文中並以一個100W的昇壓型功率因數修正電路來設計其EMI濾波器,以實驗驗證LabVIEW所設計出的EMI自動量測與濾波器元件設計系統設計EMI濾波器的效能。而最後所設計出來的EMI濾波器,成功的衰減了共模與差模雜訊,使總雜訊通過了FCC Class B的EMI規範,減少了在傳導性EMI處理上的時間與成本。

A novel computerized system for measuring the conducted EMI noise of a power device and designing associated EMI filter has been developed. By using the developed LabVIEW softwares and GPIB interface, the automatic measurement system including LISN, noise separator, spectrum analyzer and PC has been implemented.
As an illustration, the conducted EMI noise spectrum of a single phase switch mode rectifier (100W, 200V, 94KHZ) using a UC3852 power factor corrector is measured and the associated EMI filter has been designed using the present computerized system. By combing the developed EMI filter with the AC-DC rectifier as a test system, the total conducted EMI noise spectrum of the test system has been efficiently suppressed to values which are below the FCC Class B regulation.
第一章 緒論‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧1
第二章 電磁干擾‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧3
2-1 何謂EMC‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 3
2-2 傳導性電磁干擾的種類‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧3
2-3 現行各國EMI法規‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧4
2-4 EMI問題解決方法‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧7
第三章 傳導性EMI量測系統與量測儀器介紹‧‧‧‧‧‧‧‧‧ 9
3-1傳導性EMI 量測系統‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 9
3-2 線性阻抗穩定網路(Line Impedance Stabilization Network)10
3-2-1線性阻抗穩定網路的概念‧‧‧‧‧‧‧‧‧‧‧‧10
3-2-2 LISN的架構‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 11
3-2-3 LISN於傳導性雜訊的量測‧‧‧‧‧‧‧‧‧‧‧ 12
3-3 雜訊分離器‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 14
3-3-1功率結合器的功用‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧14
3-3-2 功率結合器的原理‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧15
第四章 自動控制軟體LabVIEW‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧18
4-1 何謂LabVIEW‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧18
4-2 LabVIEW的特色‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧19
4-3 如何使LabVIEW工作‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 19
4-4 VI設計與規劃的技巧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 20
4-5 GPIB簡介‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 25
4-5-1 GPIB VIs‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 26
4-5-2 使用GPIB連接電腦和儀器的優點‧‧‧‧‧‧‧‧27
第五章 功率因數修正器‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 29
5-1 功率因數的定義‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 29
5-2 功率因數修正的目的‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 30
5-3 改善功率因數的優點‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 31
5-4 功率因數修正器的發展和種類‧‧‧‧‧‧‧‧‧‧‧‧ 32
5-5 使用UC3852 PWM控制IC之昇壓型PFC電路‧‧‧‧‧ 36
5-5-1 脈波寬度調變(PWM)系統‧‧‧‧‧‧‧‧‧‧ 37
5-5-2 UC3852特性介紹‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 39
5-5-3 輸出電壓與輸入電流迴授電路‧‧‧‧‧‧‧‧‧ 39
第六章 EMI濾波器之電路分析與設計‧‧‧‧‧‧‧‧‧‧‧‧ 41
6-1 濾波器共模與差模等效電路‧‧‧‧‧‧‧‧‧‧‧‧‧ 41
6-2 濾波器元件值的決定‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 45
6-3 EMI濾波器元件的介紹與特性‧‧‧‧‧‧‧‧‧‧‧‧ 49
6-4 傳統EMI濾波器的設計步驟‧‧‧‧‧‧‧‧‧‧‧‧‧56
6-5 程式化EMI量測與濾波器設計‧‧‧‧‧‧‧‧‧‧‧‧58
6-6 功能介紹與操作說明‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 62
第七章 實驗結果與討論‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 69
7-1使用UC3852 PWM控制IC之昇壓型PFC電路特性量測‧69
7-2 EMI量測與濾波器設計‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 72
7.3 電感的繞製‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 76
7.4 量測結果‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 77
第八章 結論‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 83
參考文獻‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 85
附錄一UC3852 元件資料‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧ 88
附錄二 LabVIEW所設計的EMI自動量測及分析的程式部分‧‧ 93
附錄三 Ferrite Core特性資料‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧95
作者簡介‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧‧100

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