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研究生:陳敏賢
研究生(外文):Ming-Shien Chen
論文名稱:光纖感測器應用於電流量測
論文名稱(外文):Measurement of Currents Using Optical Fiber Sensors
指導教授:鄭進興鄭進興引用關係
指導教授(外文):Chin-Hsing Cheng
學位類別:碩士
校院名稱:逢甲大學
系所名稱:電機工程所
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:2007
畢業學年度:95
語文別:中文
論文頁數:80
中文關鍵詞:超結構光纖光柵電流量測布拉格光纖光柵
外文關鍵詞:Fiber Bragg GratingSuperstructure Fiber GratingMeasurement of current
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在電力工業中,電流量測的目的是為了保護設備。在本文中提出使用布拉格光纖光柵和超結構光纖光柵的光學式電流感測器來量測直流電流與交流電流。光學式電流感測器是將光纖光柵、磁石及聚合物封裝在鋁質圓柱內。由通過螺線管電流的大小,產生不同大小的磁場,去吸引感測器內的磁石。使感測器內的光纖光柵的中心波長產生位移,即可量得光纖光柵位移量和電流大小的關係,達到量測電流大小的目地。
The measurement of current is used for protection devices in the power industry. The optical fiber sensors using the Superstructure Fiber Grating (SFG) and Fiber Bragg Grating (FBG) for measuring AC and DC currents are proposed. The sensor is based on the Fiber Grating, magnetic and polymer encapsulated in an aluminum cylinder. The magnetic field provided by the current in the solenoid, will induce the magnetic force for the sensor. The center-wavelength shift of the fiber grating is caused by the magnetic field. Finally, the relation between the center-wavelength shift of the fiber grating and the current magnitude is obtained.
目 錄
摘要........................................................i
Abstract.....................................................ii
致謝........................................................iii
目錄.......................................................iV
圖目錄.....................................................viii
表目錄......................................................ix
第一章 緒論............................ .....................1
1.1 研究動機...............................................1
1.2 研究目的...............................................1
1.3 文獻研讀...............................................2
1.4 本文架構...............................................3
第二章 磁極與螺線管的簡介....... ............................4
2.1 引言..................................................4
2.2 磁化與磁極............................................4
2.3 螺線管簡介............................................6
第三章 光纖光柵簡介................. ........................8
3.1 引言..................................................8
3.2 光纖光柵歷史..........................................8
3.3光纖光柵的種類.......................................10
3.4 光纖結構.............................................13
3.5 布拉格光纖光柵.......................................15
3.6 長週期光纖光柵.......................................20
3.7 超結構光纖光柵.......................................24
第四章 光纖電流感測器理論分析.............................. 29
4.1 引言.................................................29
4.2 光纖電流感測器工作原理...............................30
第五章 光纖電流感測器之應用................................ 35
5.1 引言................................................ 35
5.2 感測器製作及所需設備................................ 35
5.2.1 光纖電流感測器之製作........ ......................35
5.2.2 實驗設備.................. ........................36
5.2.3 感測器的製作... .................................. 37
5.3 電流的量測...........................................38
5.3.1 直流量測.......................................... 38
5.3.2 交流量測.......................................... 39
5.3.3 功率放大和峰值檢測電路............................ 41
5.4 實驗結果.............................................42
5.4.1 使用布拉格光纖光柵電流感測器量測直流電流.......... 43
5.4.1.1 光纖電流感測器與螺線管距離為2 cm.............. 43
5.4.1.2 光纖電流感測器與螺線管距離為1.5cm............. 44
5.4.1.3 光纖電流感測器與螺線管距離為1cm...............46
5.4.1.4 結果與討論.....................................47
5.4.2 使用布拉格光纖光柵電流感測器量測交流電器.......... 48
5.4.3 使用超結構光纖光柵電流感測器測量直流電流.......... 51
5.4.3.1 光纖電流感測器與螺線管距離為2 cm.............. 51
5.4.3.2 光纖電流感測器與螺線管距離為1.5cm............. 53
5.4.3.3 光纖電流感測器與螺線管距離為1cm.............. 55
5.4.3.4 結果與討論.....................................57
5.4.4 使用超結構光纖光柵電流感測器量測交流電流.... ......58
5.4.5 超結構光纖光柵電流感測器在溫度變化時波長位移變化. .62
第六章 結論與展望.......................................... 64
6.1 結論.................................................64
6.2 未來研究方向.........................................64
參考文獻.......................... .........................65
作者簡介........... ........................................68
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