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姓名 謝定霖(Ting-Lin Hsieh) 查詢紙本館藏 畢業系所 通訊工程學系在職專班 論文名稱 微電網電力系統保護決策之架構下XMPP訊息傳送方法的設計及排程方法的比較
(XMPP Message Delivery and Scheduling Methods in Microgrid Power System Protection Decision-Making Framework)相關論文 檔案 [Endnote RIS 格式]
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摘要(中) 在微電網電力傳輸網路中,當調度人員面臨突發而來的大量故障警報時,可能判斷錯誤或是不能立即掌握故障原因,導致故障範圍擴大,影響系統供電穩定度。為了改善此問題,本論文提出一套應用於微電網中,結合XMPP訊息傳送、後備保護、訊息優先權及排程方法的機制。本機制使用Node-RED設計微電網環境,達到SCADA後備保護、XMPP訊息傳送的功能,在SCADA上加入訊息排程方法,達到訊息優先權分類、訊息排程方法比較的功能,並在Node-RED上驗證SCADA後備保護、XMPP訊息傳送,以及以JavaScript執行訊息優先權和訊息排程方法的驗證及比較。
基於上述重要性,本論文設計一個滿足XMPP協定且具有後備保護之SCADA系統,因電力系統有許多故障因素,故障的嚴重性不同,電驛保護跳閘的順序也有所不同。對應於各種故障及非故障的模擬狀況,SCADA內建有RMS和EDF排程演算法,會依照不同狀況將訊息排列顯示,由於每個訊息的工作週期及截止時間不同,且RMS和EDF的利用率界限也不同,任務集有可能不保證被調度,故藉由不同事故案例來分析比較,在RMS和EDF中找出最合適在電力系統事故處理的排程演算法,能幫助運轉人員因應各種狀況快速做出決策,將事故損失降至最低,以達到最佳電力系統保護協調之需求。摘要(英) In the context of microgrid power transmission networks, the occurrence of multiple and abrupt fault alarms can potentially lead to operator misjudgment or a delay of promptly identifying the causes of these faults. This phenomenon leads to an increasing range affected by those faults and induces a negative impact on the stability of the power supply system. To resolve this phenomenon in microgrid systems, the study in this thesis introduces a mechanism which includes multiple functional elements, including XMPP message transmission, backup protection, message prioritization, and scheduling methods. This study designs a simplified testbed of a microgrid environment using Node-RED, where the functionalities of SCADA backup protection and XMPP message transmission are implemented. The SCADA is integrated with message scheduling methods, so that it can facilitate the prioritization of messages and ease the comparison of different message scheduling methods. In addition, the validation of SCADA backup protection and XMPP message transmission is conducted based on the Node-RED platform, while the prioritization of messages and comparison of message scheduling methods can executed by JavaScript.
The effort of this thesis has developed a simplified and lightweight SCADA system that adheres to the XMPP protocol and is capable of integrated backup protection. Because the severity of faults in power systems can vary due to the presence of multiple fault factors, this situation results in differences in the order of relay protection tripping. The SCADA system, equipped with RMS and EDF scheduling algorithms, is capable of arranging and presenting messages based on different scenarios through the simulation of both fault and non-fault conditions. However, the scheduling of the task set may not be guaranteed due to the presence of different periods and deadlines for each message, as well as the varying utilization limits for RMS and EDF. It is important to evaluate the analysis and comparison of various fault scenarios and thus determine the optimal scheduling algorithm between the RMS and EDF for power system fault management. Hence, in order to aid operators in promptly making decisions in response to different scenarios, the proposed XMPP message transmission amd scheduling mechanism can reduce the cost and loss induced by accidents according to better coordination in power system protection.關鍵字(中) ★ 訊息優先權
★ 排程演算法
★ XMPP
★ RMS
★ EDF
★ 微電網關鍵字(英) ★ Message Priority
★ Scheduling
★ XMPP
★ RMS
★ EDF
★ Microgrid論文目次 中文摘要 i
ABSTRACT ii
誌謝 iii
目錄 iv
圖目錄 vii
表目錄 xi
英文縮寫對照表 xii
二、 緒論 1
二、 章節概要 3
三、 相關背景研究 4
一、 微電網 4
二、 IEC 61850 4
三、 保護電驛 5
(二) 頻率保護電驛 6
(三) 差動保護電驛 6
(四) 低電壓保護電驛 7
(五) 過電流保護電驛 7
四、 NODE-RED 11
五、 RATE MONOTONIC SCHEDULING (RMS) 單調速率調度 12
六、 EARLIEST DEADLINE FIRST (EDF) 最早截止時間優先調度 13
四、 微電網環境 14
二、 設計具後備保護之SCADA 16
三、 IEC 61850 訊息建模 20
四、 XMPP訊息架構 23
五、 訊息優先權分類 25
六、 導入EDF、RMS 26
七、 併網 28
八、 沒併網(孤島) 30
五、 NODE-RED模擬環境設計 33
一、 XMPP 33
(一) IEC 61850 XMPP通訊服務佈建 33
(二) XMPP交談模式 34
(三) XMPP-SERVER、XMPP-CLIENT架設 35
(四) XMPP IQ REQUEST/RESPONSE 38
(五) XMPP實作解說 40
二、 建構具後備保護功能之SCADA 44
三、 併網-RMS、EDF、無優先權比較 51
(一) 併網-SCADA建置 51
(二) 併網-U1端設置 52
(三) 併網-U2端設置 53
(四) 併網-RMS-在JAVASCRIPT上顯示 56
(五) 併網-EDF-在JAVASCRIPT上顯示 57
(六) 併網-無優先權 58
(七) 併網-訊息無優先權、RMS及EDF 比較 61
四、 沒併網-RMS、EDF及無優先權比較 61
(一) 沒併網-SCADA建置 61
(二) 沒併網-U1端設置 62
(三) 沒併網-U2端設置 63
(四) 沒併網-RMS-在JAVASCRIPT上顯示 66
(五) 沒併網-EDF-在JAVASCRIPT上顯示 67
(六) 沒併網-無優先權 68
(七) 沒併網-訊息無優先權、RMS及EDF 比較 71
五、 大量訊息測試 72
(一) 大量訊息-U1端設置 72
(二) 大量訊息-U2端設置 73
(三) 大量訊息-RMS-在JAVASCRIPT上顯示 74
六、 訊息無優先權、RMS、EDF及大量訊息比較 78
六、 結論與未來方向 79
一、 結論 79
二、 未來方向 80
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