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研究生: 王啟安
Chi-an Wang
論文名稱: 小型風力機與台灣低壓配電系統併聯之規範探討
Research on the Interconnection Requirements of small wind turbines connected to the Taiwan low-voltage residential distribution systems
指導教授: 陳在相
Tsai-hsiang Chen
口試委員: 蕭弘清
none
楊文治
none
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: 2011
畢業學年度: 99
語文別: 中文
論文頁數: 90
中文關鍵詞: 小型風力機配電系統併網規範
外文關鍵詞: Small wind turbine, distribution system, interconnection code
相關次數: 點閱:305下載:6
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本論文旨在研究小型風力機組與低壓住宅配電系統併聯規範部分條文之適切性。首先應用商用套裝軟體MATLAB/Simulink建構永磁式小型風力機與台灣地區典型低壓住宅配電系統之等效電路模型;其次,模擬、分析在各種併聯運轉情況下,小型風力機對低壓住宅配電系統電壓、電流、頻率與諧波之衝擊情形;最後,依據衝擊分析所得結果,並參考國外相關併網規範,深入探討我國現行小型風力機在低壓配電系統併網有關併網容量、運轉功因、不平衡運轉、併網保護與諧波管制等規範之適切性,期提出修訂規範之具體建議。小型風力機併網規範之訂定是否適切,對電力公司及裝機民眾均甚重要。本論文研究成果有助於小型風力機併網衝擊之掌握、併聯辦法之修訂以及小型風力機之適切裝設。


The major object of this thesis is to investigate the appropriateness of interconnection codes for connecting small wind turbines (SWTs) to low-voltage residential distribution systems. First of all, the equivalent circuit models of SWT and a typical low-voltage residential distribution system in Taiwan are built using commercial software packages, MATLAB® and Simulink®. Next, based on these equivalent-circuit models, the effects of operation of SWTs on the system voltages, currents, frequency and harmonics of the low-voltage distribution system are then simulated and analyzed under various interconnection conditions. Final, in view of the simulation results and with reference to international SWT interconnection rules, the appropriateness of requirements of SWT interconnection rules in Taiwan on the interconnection capacity, power factor, unbalanced operation, interconnection protection and harmonics were examined, and then some advices are proposed. To legislate for SWT interconnection is very important for electric power companies and their customers considering installing SWTs. The research results are of value to realize the impact of small wind turbines on a low-voltage distribution network; to establish right and proper grid-interconnection codes, and to correctly install small wind turbines.

中文摘要 I Abstract II 誌謝 III 目錄 IV 圖表索引 VII 第一章 緒論 1 1.1 研究背景與動機 1 1.2 研究方法與步驟 2 1.3 研究貢獻 4 1.4 論文架構 5 第二章 國內外小型風力機發展趨勢與併網規範介紹 6 2.1 前言 6 2.2 發展趨勢 6 2.3 併網規範 7 2.3.1 併網容量 9 2.3.2 電壓變動 10 2.3.3 短路電流 13 2.3.4 平衡運轉 13 2.3.5 運轉功因 14 2.3.6 系統保護 15 2.3.7 諧波管制 16 2.4 結語 20 第三章 小型風力機與住宅低壓配電系統供電架構介紹與等效模型建構 21 3.1 前言 21 3.2 小型風力機內部架構 21 3.3 小型風力機等效模型 24 3.4 小型風力機諧波分析等效模型建置 32 3.5 國內住宅低壓配電系統供電架構介紹 34 3.6 國內住宅低壓配電系統等效模型建置 36 3.7 國內住宅低壓配電系統電壓降等效模型建置 39 3.8 結語 42 第四章 小型風力機於低壓配電系統之衝擊分析 43 4.1 前言 43 4.2 小型風力機之併網衝擊分析 44 4.2.1 長時電壓變動 44 4.2.2 短時電壓變動 47 4.2.3 線路電流變動 51 4.2.4 短路電流增加 52 4.2.5 系統頻率變動 54 4.2.6 不平衡運轉 55 4.3 小型風力機在等效負載併網點之最大併網量探討 57 4.3.1 最大併網量之背景探討 57 4.3.2 全因子試驗法之介紹 59 4.3.3 最大併網量之分析 60 4.4 小型風力機諧波對系統影響之探討 61 4.4.1 諧波量測值之介紹 61 4.4.2 諧波失真率之計算 63 4.4.3 計算結果之分析 65 4.5 結語 66 第五章 台灣現行小型風力機併網規範適切性之探討 67 5.1 前言 67 5.2 併網容量 67 5.3 電壓變動 69 5.4 平衡運轉 70 5.5 運轉功因 72 5.6 系統保護 72 5.7 諧波管制 73 5.8 結語 74 第六章 結論與未來研究方向 75 6.1 結論 75 6.2 未來研究方向 76 參考文獻 77 作者簡介 80

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