本論文提出一種適用於配電系統小型分散式發電系統之併聯模組，其結合電池儲能系統與一組電壓源轉換器，以改變串聯模組注入電壓相位及大小而達到能量注入系統之目的。經由適當的控制，本模組可將夜間多餘電能儲存以供尖峰負載時段使用，因此能達到均載之功能，由於其併聯架構上的特殊，使得該模組在孤島現象的偵測上相對容易並具有改善電壓驟降的能力。此串聯模組方案適用於有小型分散式能源之處且對電壓相位改變不靈敏之負載。由於僅使用了一組電壓源轉換器，在經濟層面上助於用戶對於分散式發電的投資。

This thesis presents the application of a series interconnection module for small distributed generation (DG) or renewable energy systems integration in the distribution network. The concept used one set of voltage source converter (VSC) with battery energy storage system to control the injected voltage magnitude and phase angle for power injection and voltage sag mitigation applications. Through an energy storage device and the VSC, the module allows storage of surplus energy during off peak period and release for use during daytime peak load period, therefore, exhibits a load leveling characteristic. Due to its series connection characteristic, it is convenient in preventing islanding operation and suitable for voltage sag mitigation. The concept is suitable for locations where the voltage phase shift is not a problem. Due to the use of only one set of VSC, it is economic for customer site distributed energy resource applications.

摘要......................................................................................... I
Abstract .................................................................................II
目錄........................................................................................III
圖目錄.....................................................................................V
表目錄..................................................................................VIII
第一章 緒論............................................................................1
1.1 研究背景與動機..............................................................1
1.2 現有分散式發電系統介紹..............................................5
1.3 分散式發電機之應用....................................................13
1.4 儲能裝置用於電力系統的介紹....................................16
1.4.1 超導磁能儲能系統....................................................16
1.4.2 電池儲能系統............................................................18
1.4.3 高階電容器................................................................18
1.4.4 飛輪儲能....................................................................19
1.5 分散式發電之併聯相關規範........................................20
1.6 串、並聯型式之電壓驟降補償比較............................24
1.7 論文架構........................................................................31
第二章 串聯型分散式能源併聯模組.................................32
2.1 併聯模組架構................................................................32
2.2 控制模式........................................................................33
2.2.1 能量注入功能............................................................33
2.2.2 配電饋線均載功能....................................................41
2.2.3 電壓驟降補償功能....................................................42
2.3 燃料電池模型之建立....................................................45
2.4 電池儲能系統模型........................................................48
2.5 三相全橋式換流器工作原理........................................49
2.6 電壓源轉換器之控制方式............................................52
2.7 串聯模組的故障電流限制能力....................................56
2.8 單獨運轉偵測................................................................57
第三章 系統功能模擬.........................................................65
3.1 模擬系統架構...............................................................65
3.2 能量注入功能...............................................................66
3.3 配電饋線均載功能........................................................71
3.4 電壓驟降補償功能........................................................77
3.5 故障電流限制功能........................................................78
3.6 孤島運轉偵測................................................................80
第四章 結論與未來研究方向.............................................85
4.1 結論................................................................................85
4.2 未來研究方向................................................................86
參考文獻..............................................................................87

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