臺灣博碩士論文加值系統

　　本文研究提出建構於智慧型行動電話(Smartphone)平台上之電力諧波、三相不平衡、電壓閃爍、電壓驟降及電壓突昇監測與分析。由於架構於Smartphone平台之行動電話具高可攜度，且具備網路通訊之功能，因此本研究即構思應用其所具備之優勢，使用嵌入式程式語言撰寫多項電力品質監測及分析之系統，並將資料分析結果以圖形化之方式展現及經由相關之電力訊號進行縝密之測試。而由本論文之測試結果可知，本研究所提方法對於電力品質監測效能之發揮，確具高度助益，且有助於國內電力供應品質之即時預警，並裨益電力工程人員實施電力品質提升策略之參考所需，藉此提供使用者改進電力品質之用。文中對於所完成之架構已經由諧波、三相不平衡、電壓閃爍、電壓驟降與電壓突昇之模擬信號完成測試，應可協助證實本文所提方法之可行性。

　In this thesis, the electric power quality monitoring and analysis are constructed and performed on the Smartphone platform. Because Smartphone-based cellular phone comes with high portability along with network communication capability, this study has focused on the utilization of such merits for the development of power quality monitoring. By use of embedded programming for the development of power system harmonics, three-phase unbalance, voltage flickers, voltage sags, and voltage swells are all monitored. This completed product would facilitate the monitoring work, while the graphic user interface further help user for the supervision of electric power quality at the same time. In order to validate the effectiveness of the method, this prototype has been tested through the simulated scenarios of harmonics, unbalances, voltage flickers, voltage sags, and voltage swells. Test results help support the feasibility of the method.

目錄

中文摘要　I
英文摘要　II
誌謝　III
目錄　IV
表目錄　VII
圖目錄　VIII
第一章 緒論　1
1-1 研究背景　1
1-2 研究動機　2
1-3 研究方法　3
1-4 內容大綱　4
第二章 電力品質簡介　5
2-1 簡介　5
2-2 諧波　8
2-3 三相不平衡　11
2-4 閃爍　12
2-5 電壓驟降　13
2-6 電壓突昇　15
第三章 電力品質相關演算法　16
3-1 簡介　16
3-2 快速傅立葉轉換　17
3-3 諧波分量計算　23
3-4 三相不平衡運算分析　25
3-5 電壓閃爍運算分析　28
3-6 小波轉換　30
3-6-1 短時傅立葉轉換　30
3-6-2 連續小波轉換　31
3-6-3 離散小波轉換　35
3-6-4 多重解析度分析　36
3-6-5 快速小波轉換　39
3-6-6 Daubechies-4小波係數　42
3-7 電壓驟降/突昇運算分析　45
第四章 智慧型行動電話　47
4-1 簡介　47
4-2 作業系統　48
4-2-1 Windows Mobile 2003作業系統　50
4-2-2 Symbian作業系統　55
4-3 手持裝置之比較　58
4-3-1 PDA與Smartphone之比較　58
4-3-2 高階手機與Smartphone之比較　60
4-3 eMbedded Visual C++概述　61
第五章 系統測試結果　64
5-1 簡介　64
5-2 系統架構　64
5-3 模擬訊號之測試　67
5-3-1 諧波訊號分析　68
5-3-2 三相不平衡分析　71
5-3-3 電壓閃爍分析　73
5-3-4 電壓驟降分析　75
5-3-5 電壓突昇分析　78
第六章 結論與未來展望　81
6-1 結論　81
6-2 未來研究方向　82
參考文獻　83

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