研究生: |
李源勝 Yuan-Sheng Li |
---|---|
論文名稱: |
應用局部放電量測於高壓馬達定子繞組絕緣瑕疵辨識 Defects Identification on the Stator Winding Insulation of High-Voltage Motor Using Partial Discharge Measurement |
指導教授: |
張宏展
Hong-Chan Chang |
口試委員: |
郭政謙
Cheng-Chien Kuo 吳瑞南 Ruay-Nan Wu 謝宗煌 Tsung-Huang Hsieh |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 電機工程系 Department of Electrical Engineering |
論文出版年: | 2015 |
畢業學年度: | 103 |
語文別: | 中文 |
論文頁數: | 67 |
中文關鍵詞: | 局部放電 、高壓馬達定子繞組絕緣 、三維立體圖譜轉換 、分形理論 、可拓理論 |
外文關鍵詞: | partial discharge, high-voltage motor stator's winding insulation, 3D PD pattern transform, fractal theory, extension theory |
相關次數: | 點閱:1179 下載:4 |
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本研究旨在研製一高壓馬達定子線棒絕緣瑕疵辨識系統,首先應用局部放電檢測方法,選擇高頻電流感測器量測局部放電信號,且試作五種客製化具絕緣瑕疵高壓馬達定子線棒作為實驗模型,並依據IEC 60034-27所提供的加壓程序進行局部放電檢測。其次,本研究利用自行研製之局部放電分析儀量測多元類型感測器的電壓信號,並將局部放電信號轉換為三維立體圖譜,進而應用分形理論及統計能量分析及三維圖譜中擷取相關特徵。最後,應用可拓理論於高壓馬達定子線棒絕緣瑕疵模型辨識系統,實驗結果顯示具相當應用潛力。
關鍵字:局部放電、高壓馬達定子繞組絕緣、三維立體圖譜轉換、分形理論、可拓理論
In this study, a defects identifications system of high-voltage motor stator's winding insulation using partial discharge measurement was developed. First, the methods used to measurement PD signal were examined and a high frequency current transformer was employed to measure the PD signals. Then, five custom-made defects on the stator winding insulation of high-voltage motor were made as the experimental models. Subsequently, PD tests were conducted on the target model by using the pressurization process in accordance with the IEC 60034-27. The PD analyzer developed in this study can receive the voltage signals of different sensors and transform the voltage signals to 3D patterns. Furthermore, this study adopted fractal theory and statistical energy analysis to extract relevant features from the various spectra. Finally, extension theory was applied in the defects identifications system of high-voltage motor stator's winding insulation with rather promising results.
Keywords:partial discharge, Stator winding insulation of high-voltage motor, 3D PD pattern transform, fractal theory, extension theory
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