臺灣博碩士論文加值系統

電力系統在我們生活中扮演著不可或缺的角色，我們仰賴發電設備發出電力，經由輸電系統傳送到各地，再以各地的配電系統配送電力到每戶人家，但在配送的過程中，無論是設備或系統在發電及傳配送電力，都會因為各種原因，造成電力品質的影響，對於這些問題，以電力負載特性分析為底，設計7、22、35個小中大型匯流排，以CYME電力系統模擬軟體分別以Fast Decoupled、Gauss-seidel method兩種解負載潮流法，分析每個匯流排電壓及相角的變化，以及系統運轉中線路的損失及虛功實功，且進一步使用CYME提供的靜態虛功補償器(SVC)模組對系統上的虛功加以補償，以達到改善功率因素及減少系統運轉損失，針對位置及參數設定加以探討前後之差異。並利用CYME分析當系統運作發生故障時，各匯流排電流及電壓大小。

Electric power systems play a very important role in our daily life. The Generating system provides us electric power, and the transmission system is responsible for distributing the electric power everywhere. Furthermore, The distribution system relocates the power to various users. However, during the process of the power distribution, the quality of the electric power will be affected by the all kinds of the equipment or the distributing systems. Owing to the issue, we will discuss the problems based on the analysis of the load characteristics. First of all, we make of Model 7, 22 and 35 which are small, medium and the large-scale bus, using the CYME electrical power system simulator by Gauss-seidel method, the Fast Decoupled bus voltage size and phase angle change, and active power, reactive power and line losses. We also take advantages of uses in CYME to construct Static Var Compensator, compensate system on reactive power, improved power factor, reduction system loss, and aims to install the position and setting of the parameters, and to discuss the systematic change after installing around SVC. In addition, when the system revolution arise fault, we analyze the different types of the short circuit faults. Moreover, once faults occur, it will compute system's various buses voltage and electric current size.

目錄
摘要..............................................I
Abstract.........................................II
目錄..............................................III
圖目錄.............................................VI
表目錄.............................................VIII
第一章 緒論.........................................1
1.1 前言.....................................1
1.2 研究目的.................................3
1.3分析軟體介紹................................5
第二章負載潮流分析....................................6
2.1 求解負載潮流...............................7
2.2 快速解耦負載潮流法..........................8
2.3 高斯-賽德法...............................12
第三章 靜態虛功補償器.................................15
3.1 靜態虛功補償器(SVC)........................15
3.1.1 SVC 概述..............................15
3.1.2 SVC架構...............................16
3.1.3 SVC 的V-I 特性曲線......................18
3.1.4 電力潮流模型.............................18
第四章 故障電流......................................20
4.1 對稱成份定義...............................21
4.2 單線接地故障(SLG)..........................23
4.3 線間短路故障(LL)...........................25
4.4 兩線接地故障(DLG)..........................27
第五章系統分析結果....................................30
5.1 系統單線圖.................................31
5.2 負載潮流分析...............................34
5.2.1 7個匯流排負載潮流分析.................34
5.2.2 22個匯流排負載潮流分析................37
5.2.3 35個匯流排負載潮流分析................40
5.3 虛功補償...................................46
5.3.1 SVC裝置地點..........................46
5.4 故障電流分析................................51
5.4.1 系統在Bus-2發生不同的短路故障...........51
5.4.2 系統在Bus-1跟Bus-2發生不同類型短路故障...56
第六章 結論與未來展望...................................59
6.1 結論.......................................59
6.2 未來展望....................................60
參考文獻..............................................61
研討會論文............................................63

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