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研究生:楊劍鋒
研究生(外文):Yang, Chien Feng
論文名稱:應用混合差分進化法於電壓穩定及諧波失真改善
論文名稱(外文):Application of Hybrid Differential Evolution to Improve Voltage Stability and Harmonic Distortion
指導教授:蘇慶宗蘇慶宗引用關係張文恭
指導教授(外文):Su, Ching-TzongChang, Gary W.
口試委員:蘇慶宗張文恭吳元康林惠民吳兆祥黃世杰邱國珍
口試委員(外文):Su, Ching-TzongChang, Gary W.Wu, Yuan-KangLin, W. M.Wu, J. S.Huang, S. J.Chiou, G. J.
口試日期:2012-07-04
學位類別:博士
校院名稱:國立中正大學
系所名稱:電機工程研究所
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:2012
畢業學年度:100
語文別:中文
論文頁數:165
中文關鍵詞:混合差分進化法電壓穩定度虛功率補償器改良型電壓穩定度指標被動濾波器諧波失真諧振點
外文關鍵詞:hybrid differential evolution (HDE)voltage stabilityreactive power compensationimproved voltage stability indexpassive harmonic filterharmonic distortiontuned points
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本論文為應用混合差分進化法於電力系統電壓穩定度及諧波失真最佳化改善之研究,論文分為兩大部分,第一部分以最佳化虛功率補償裝置設定提升電壓穩定度;另一部分以最佳化被動濾波器設計減少電力系統諧波失真。
本論文首先發展一個改良型電壓穩定度指標,接著以此指標求取最佳虛功率補償裝置的設計,能有效提高系統電壓穩定度及減少線路損失,同時使用混合差分進化法(HDE)來解決最佳化問題,包括決定最佳的變壓器有載接頭切換器設定、發電機或同步調相機的激磁設定及靜態虛功率補償器的安裝位置與容量設定,進而調整虛功率潮流並提供最佳電壓穩定度。
接著本文以IEEE 30-Bus及118-Bus兩電力潮流測試系統來驗證本論文所提出之方法的效能。結果證明本文所提出的改良型電壓穩定度指標及採用之最佳化方法能夠有效改善系統的電壓穩定度及減少線路損失。
電力諧波問題的改善,考慮系統阻抗、諧波電流源及濾波器諧振點皆為可變動的值,使用混合差分進化法求解最佳化被動濾波器設計。其目的為求解最小諧波電流及電壓失真,於固定成本下選擇濾波器型式、決定最佳濾波器參數及諧振點。在電力系統中諧波電流及電壓被表示為機率模式,並使用統計模擬法求解,再用蒙地卡羅模擬來驗證機率模式的準確性。這個方法應用於求解實際化工廠諧波問題, 結果驗證本論文所提出的被動濾波器的設計,可適用於實際化工廠及工業配電系統。

This dissertation applies the hybrid differential evolution to the improvement of voltage stabitity and harmonic distortion for power systems. Two parts are included in this research, one is optimal setting of reactive compensation devices with an improved voltage stability index for voltage stability enhancement. The other one is optimal planning of passive harmonic filters for harmonic mitigation.
Firstly, this research proposes an improved voltage stability index ( ) for voltage stability enhancement of both radial and network power systems, and then applies this improved voltage stability index to reactive compensation devices settings. To solve the optimization problem, this work introduces the hybrid differential evolution (HDE) to determine optimal tap settings of on-load tap changing (OLTC) transformers, excitation settings of generators or synchronous condensers (SCs), and locations with sizes of static var compensators (SVCs).
The performance of the proposed method is verified using the IEEE 30-Bus and 118-Bus power flow test systems. The results show that the proposed method using the improved voltage stability index and the optimization method is able to effectively enhance voltage stability of a system and reduce line losses.
Secondly, this research presents an optimal planning of passive harmonic filters using the hybrid differential evolution (HDE) method considering variation of system impedance, harmonic current sources and filter tuning points. The proposed method minimizes an objective function composed of the total harmonic distortion of current and voltage, selects different filters topologies, and determines their optimal parameters and tuned points under a constant cost. The harmonic currents and voltages in a power system are expressed as probabilistic models which are obtained using the statistical simulation method. Monte Carlo simulation is employed to verify the accuracy of the obtained probabilistic models. The method proposed is applied to solve the harmonic problems in a practical chemical plant, and the results show that the proposed method is effective for passive filter planning in industrial distribution systems.

目錄
頁次
誌謝 III
中文摘要 IV
英文摘要 V
目錄 VII
圖目錄 IX
表目錄 XI
符號表 XIII
第一章 簡介 1
1.1 研究背景及動機 1
1.2 文獻回顧 2
1.3 本論文之貢獻 6
1.4 論文架構 8
第二章 電壓穩定度指標 10
2.1 前言 10
2.2 電壓穩定度指標回顧 11
2.3 改良型電壓穩定度指標 28
2.4 電壓穩定度指標效能測試 31
第三章 虛功率補償裝置規劃之數學模式與混合差分進化法解法 66
3.1 最佳化虛功率補償裝置設定數學模式 66
3.2 混合差分進化法 68
3.3 混合差分進化法應用於虛功率補償之求解說明 74
第四章 最佳虛功補償裝置規劃之應用例 77
4-1 前言 77
4-2 30個匯流排測試系統應用 77
4-3 118個匯流排測試系統應用 89
第五章 被動濾波器設計之數學模式與解法 99
5-1 最佳化被動濾波器設計數學模式 99
5-2 濾波器設計假設條件 106
5-3 濾波器設計步驟 107
第六章 最佳被動濾波器設計之應用例 109
6-1化工廠系統說明 109
6-2模擬結果與討論 112
第七章 結論與建議 124
7-1結論 124
7-2未來的研究建議 125

參考文獻 127
附錄、IEEE 118-Bus測試系統參數資料 135
作者簡介 149

參考文獻
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