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研究生:方進賢
研究生(外文):Chin-Hsien Fang
論文名稱:以IEC 61000-4-7 標準為基礎之電力虛擬諧波分析儀設計
論文名稱(外文):Design of Power Virtual Harmonic Analyzer Based on IEC Std. 61000-4-7
指導教授:陳正一陳正一引用關係
指導教授(外文):Cheng-I Chen
口試委員:陳正一王宏魯金原傑
口試委員(外文):Cheng-I ChenH.L WangY.C Chin
口試日期:2012-07-10
學位類別:碩士
校院名稱:亞洲大學
系所名稱:光電與通訊學系碩士班
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:2012
畢業學年度:100
語文別:中文
論文頁數:79
中文關鍵詞:適應性類神經網路諧波/間諧波IEC 61000-4-7標準普羅尼法數位虛擬量測系統
外文關鍵詞:adaptive linear neural network (ADALINE)harmonic/interharmonicProny’s methoddigital virtual measuring systemIEC Std. 61000-4-7
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近年來,由於電力系統中非線性負載使用量的逐漸增加,使得諧波問題逐漸受到重視。諧波問題會造成輸電系統在傳輸過程中額外的損失,對於一般家庭用電戶,或許只是造成用電設備短期的電力中斷,但是對於大型設備,可能會引發設備故障並且會減短電力設備的使用壽命,因此電力品質的檢測是一項值得研究探討的問題。
本文主要建立一以適應性類神經網路(ADALINE)為基礎之諧波與間諧波量測虛擬分析儀表,以準確地量測出電力系統線路中非線性負載所產生之諧波與間諧波。利用適應性類神經網路簡易架構與快速計算的優點,並依據IEC 61000-4-7標準之要求,進而修正直接使用適應性類神經網路所易產生的洩漏與欄柵效應。最後利用LabVIEW軟體所建構的分析系統,進行實驗測試,由結果可以驗證本文所提方法之效能。

With the widespread use of nonlinear loads in the power system, the problems associated with harmonics are of great concern. Harmonics would cause extra power losses in the transmission system. For the general end users, it may only cause the short-term power interruption in the electrical apparatus. But for the large electrical equipments, harmonics could lead to fault and even cause economical problem and decrease the life of power devices. Therefore, the detection of power quality is a noticeable issue.
This paper intends to develop a harmonic/interharmonic virtual instrument based on the adaptive linear neural network (ADALINE) technique for accurately measuring the harmonic and interharmonic currents generated by the nonlinear loads in the power systems. With the advantages of simple structure and efficient computation in ADALINE, the design of virtual instrument is proposed to mitigate the leakage and picket-fence effects came from the direct usage of ADALINE according to the requirements of IEC Std. 61000-4-7. Finally, the performance of proposed method can be verified through a simple test system implemented with LabVIEW program.

中文摘要 i
英文摘要 ii
目錄 iii
圖目錄 vi
表目錄 viii

第一章 緒論 1
1.1 研究動機 1
1.2 研究方法及目的 2
1.3 論文架構 4

第二章 諧波概論 6
2.1 頻率變動現象 6
2.2 諧波的定義 8
2.3 諧波指標 10
2.3.1 諧波來源、分析及影響 11

2.4 諧波管制標準 13
2.4.1 美國電力諧波管制標準 15
2.4.2 歐洲電力諧波管制標準 16
2.4.3 台電電力諧波的管制標準 17

第三章 檢測方法探討 19
3.1 前言 19
3.2 快速傅立葉轉換 19
3.2.1 快速傅立葉轉換的使用條件與原理 20
3.2.2 欄柵效應與洩漏效應 22
3.3 適應性類神經網路 25
3.4 群集諧波法 31
3.5 視窗法 32

第四章 以IEC 61000-4-7 標準為基礎之諧波分析法 36
4.1 前言 36
4.2 普羅尼法介紹 37
4.3 以普羅尼法為基礎之同步流程 40


第五章 軟硬體系統介紹與實驗結果 44
5.1 前言 44
5.1.1 軟體介紹 44
5.1.2 軟體介面介紹 47
5.2 硬體介紹 50
5.3 實驗結果 53
5.3.1 諧波分析 53
5.4 實測分析 57
5.5本章結論 61

第六章 結論與未來研究方向 62
6.1 結論 62
6.2 未來研究方向 64
參考文獻 65
致謝 69
作者簡介 70

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