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研究生： 蘇祥和
Su, Xiang-He
論文名稱： 應用以模糊規則為基礎的復電方法於併入再生式能源之配電系統
A Fuzzy-Rule Based Power Restoration Approach for a Distribution System with Sources of Renewable Energies
指導教授： 楊宏澤
Yang, Hong-Tzer
學位類別： 碩士
Master
系所名稱： 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年： 2011
畢業學年度： 99
語文別： 英文
論文頁數： 70
中文關鍵詞： 配電系統 、復電策略 、模糊規則 、再生式能源
外文關鍵詞： Distribution System, Restoration Strategy, Fuzzy Rules, Renewable Energies
相關次數： 點閱：105  下載：3 
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    • 為了供應有品質且穩定的電力，當發生故障時，將故障隔離並且快速地將非故障停電區盡可能恢復供電是非常重要的。為了在電力系統發生故障後能得到有效且快速的復電方案，本論文提出一個以啟引式模糊規則為基礎的復電方法，經由此方法，將可快速的推論出一個合適的配電系統復電方案，以達到最大復電量及備用饋線之負載平衡。在本論文中，“負載路徑”的概念被提出來當為整體復電過程中的主要架構，並且將根據備用饋線上供電能力的餘裕度比例，適當的將停電區負載量分配給備用饋線，此將達成負載平衡，除了避免單一備用饋線發生過載的可能性，並且可以降低電壓降超出標準的風險。當停電範圍過大，本方法將利用模糊邏輯系統在眾多的選擇中，推論出一條最合適的負載路徑，稱為“主要負載路徑”。基於所提出之復電方法，再生式能源併入電力系統中之影響亦被廣泛的探討。
    在兩個台灣電力公司的測試系統下，所提出之復電方法的成效將被驗證且與現有方法進行比較。模擬結果顯示所提出之復電方法將可得到同等甚至是更佳的復電方案比起現有之復電方法。

    In order to provide high quality and stable power supply, when a fault occurs, it is very important to restore maximal outage zones as soon as possible after isolating the fault in a power system. To have effective and fast power restoration after occurrence of a fault in a distribution system, this thesis proposes a heuristic fuzzy-rule based restoration approach. By using this approach, a restoration strategy in the distribution system is obtained effectively with maximal load restored and to a high extent of loading balance for backup feeders. To achieve this purpose, in this thesis, “Load path” is introduced as the main scheme in the restoration process, where the load balance is accomplished by re-allocating appropriate amount of outage loads to backup feeders according to the ratio of backup feeders’ capacity margins. It could not only alleviate the overloading possibility of the backup feeders but also lower their voltage drop. For a large scale of outage zones, via the inference process of the proposed fuzzy logic system, the proposed approach finds the appropriate load path, the “Main Load Path” is inferred as a restoration strategy from a number of choices. Based on the proposed power restoration approach, influences of various distributed generations (DGs) using renewable energies on the power restoration can be extensively evaluated.
    Performance of the proposed approach is verified and compared with the existing approaches in two test systems of Taipower Company. The simulation results show that the proposed restoration approach can achieve comparable or even better restoration strategy as compared with the existing approaches.

    摘要 I Abstract II 誌謝 IV Contents V List of Tables VII List of Figures IX Chapter 1 Introduction 1 1-1 Backgrounds and Motivations 1 1-2 Review of Literature 2 1-3 Research Method 4 1-4 Contributions of the Thesis 5 1-5 Organization of the Thesis 6 Chapter 2 Distribution System Structure 7 2-1 Introduction 7 2-2 Distribution System and Distribution Automation 7 2-3 Restoration Strategy of Distribution System 12 2-4 Summary 15 Chapter 3 The Proposed Fuzzy-Rule Based Restoration Approach 16 3-1 Introduction 16 3-2 Structure of the Proposed Restoration Algorithm 17 3-3 Restoration Process of Different Outage Cases 22 3-4 Inference Process of Fuzzy Logic System 28 3-5 Procedures of Load Transferring Algorithm 31 3-6 Summary 33 Chapter 4 Simulation Results and Discussions 35 4-1 Introduction 35 4-2 Test Systems 35 4-3 Scenario Studies 45 4-3-1 Test System I 46 4-3-2 Test System II 56 4-4 Summary 63 Chapter 5 Conclusions and Future Prospects 64 5-1 Conclusions 64 5-2 Future Prospects 65 Reference 66

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