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研究生:黃正雄
研究生(外文):Jeng-Hsiung Huang
論文名稱:汽電共生系統解聯電驛設定與卸載策略之研究
論文名稱(外文):Relay Settings of Tie Line Tripping and Load Shedding of an Industrial Cogeneration System
指導教授:林嘉宏林嘉宏引用關係
指導教授(外文):Chia-Hung Lin
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:電機工程系碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:95
中文關鍵詞:暫態穩定度汽電共生
外文關鍵詞:transient stabilitycogeneration
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  • 被引用被引用:1
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本論文主要以暫態穩定度分析,針對中鋼之汽電共生系統,探討其解聯保護及卸載策略的擬定工作。文中分折整個中鋼電力系統網路之負載潮流,做為工廠卸載策略修訂的考量,再詳細考慮汽電共生機組之發電機、激磁系統、調速系統及負載的模型,經由暫態穩定度分析結果,重新檢討修訂中鋼電力系統與台電系統解聯電驛之設定與卸載策略,最後以暫態穩定度程式模擬台電系統在不同故障情況下,本文所設計之解聯及卸載系統可確保汽電共生機組故障清除後順序正常運轉,維持含汽電共生機組之工業電力系統穩定供電。
The thesis presents the design of tie line tripping and load shedding for a large industrial customer with multiple cogeneration units. The mathematical models with the corresponding parameters of cogenerators, governors, exciters and the equivalent generation unit to represent the external utility power system have been identified. The critical clearing time has been solved by performing the transient stability analysis for the tie line tripping of the industrial power system under various contingencies of the utility network. To enhance the system stability, the protective scheme by including the directional over current relay, under voltage relay and under frequency relay with proper settings has been applied. By this manner, the industrial power system is able to be isolated from the utility system in time to prevent the system collapse due to tripping of cogeneration units. To restore the system frequency to the normal operation condition, after fault cleared the load shedding is executed by considering both the frequency deviation and frequency change rate for each load shedding step. The computer simulation of the industrial power system has verified the effectiveness of the proposed protective strategy.
摘要 I
Abstract  II
誌謝 IV
目錄 V
圖目錄 VII
表目錄 X

第一章 緒論 1
 1.1 研究動機 2 
 1.2 章節概要 2
第二章 汽電共生系統架構 3
 2.1 中鋼系統簡介 3
   2.1.1 台電系統 3
   2.1.2 中鋼電力系統架構 5
 2.2 負載潮流分析 9
第三章 暫態穩定度分析 16
 3.1 前言 16
 3.2 暫態穩定度的定義 17
 3.3 暫態穩定度程式分析 19
   3.3.1 系統模型之建立 19
   3.3.2 故障前系統穩態初值之計算 29
   3.3.3 故障後系統動態之計算 30
第四章 解聯設定與卸載策略 32
 4.1 前言 32
 4.2 責任分界點之保護電驛 33
 4.3 汽電共生機組的保護電驛 35
 4.4 卸載策略的方式 39
 4.5 中鋼現階段聯結線解聯電驛設定與卸載策略 40
 4.6 中鋼電力系統解聯電驛設及卸載策略修訂 49
第五章 中鋼電力系統事故分析 55
 5.1 故障事例一 55
   5.1.1 狀況1 中鋼電力系統未與台電系統解聯 57
   5.1.2 狀況2 中鋼電力系統與台電系統外部解聯 63
 5.2 故障事例二 65
   5.2.1 狀況1 65
   5.2.2 狀況2 67
   5.2.3 狀況3 68
   5.2.4 狀況4 70
   5.2.5 狀況5 72
 5.3 故障事例三 73
   5.3.1 狀況1 73
   5.3.2 狀況2 75
   5.3.3 狀況3 76
   5.3.4 狀況4 78
 5.4 故障事例四 80
   5.4.1 狀況1 80
第六章 結論與建議及未來研究方向 81
 6.1 結論與建議 81
 6.2 未來研究方向 81
參考文獻 82
附錄 中鋼電力系統各事例之負載潮流分析結果 84
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[7]CYMSTAB User Guide,CYME International INC.,Canada,1998.
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[17]李奕德,“汽電共生系統解聯電驛設定與卸載策略之研究”, 碩士論文,國立台灣科技大學,中華民國88年06月.
[18]Rook, M. J., L. E. Goff, G. J. Potochney and L. J. Powell, “Application of Protective Relays on a Large Industrial-Utility Tie with Industrial Cogeneration”, IEEE Transactions on Power Apparatus and Systems, Vol. PAS-100, No. 6, pp.2804-2812, June 1981.
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