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鄂爾多斯市新街送變電擴容項目可行性研究報告DOC

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送變電擴容項目是電網公司比較常見的建設項目之一,在建設前期必須經過一 系列調研、評價和決策,才能進入建設周期。而項目可行性分析是通過對項目進行 科學的分析和綜合評價,將復雜的項目建設分析評價體系簡單化,變為具有不同級 數的綜合評價體系,進而簡化決策過程。因此項目可行性分析對于項目的建設具有 十分重要的意義。本文從建設必要性、技術、經濟、環保的角度,結合模糊綜合評 價以及層次分析法,對內蒙古鄂爾多斯市新街送變電擴容項目進行了可行性研究。 最終研究結果表明本項目可行。 關鍵詞,可行性分析、送變電擴容項目、模糊綜合評價、層次分析法II Abstract Sends change capacity expansion project of electric is a common construction project of power grid companies. Before construct it must pass through a series research, evaluation and decision then enter the construction period. The decisions depend on the feasibility report of its specific circumstances and it can make the complex feasibility report simplification by scientific analysis and comprehensive evaluation. Therefore project feasibility analysis is very important for projects construction. This paper research of the feasibility of sends change capacity expansion project of electric in New-street Ordos Inner Mongolia by using fuzzy comprehensive evaluation and analytic hierarchy process from construction necessity, technical, economic and environmental protection. The research results show that the project is feasible. Keywords: feasibility analysis; sends change capacity expansion project of electric; fuzzy comprehensive evaluation; analytic hierarchy processIII 目 錄 摘要...................................................................................................................................I Abstract .............................................................................................................................II 第一章 緒 論.................................................................................................................... 1 1.1 研究背景和意義 .................................................................................................. 1 1.2 國內外研究發展綜述 .......................................................................................... 2 1.2.1 國外研究綜述 ............................................................................................ 2 1.2.2 國內研究綜述 ............................................................................................ 3 1.3 工程項目可行性分析綜述 .................................................................................. 3 1.3.1 項目可行性分析的基本概念和作用 ........................................................ 3 1.3.2 項目可行性分析的基本原則 .................................................................... 5 1.3.3 項目可行性分析的主要內容 .................................................................... 6 1.4 本文研究的主要內容 .......................................................................................... 8 第二章 新街送變電擴容項目項目必要性分析............................................................ 10 2.1 電力負荷預測 .................................................................................................... 10 2.1.1 電力負荷預測方法綜述 .......................................................................... 10 2.1.2 一次指數平滑預測法 .............................................................................. 11 2.1.3 負荷預測值計算 ...................................................................................... 12 2.2 變電站項目經濟效益分析 ................................................................................ 13 2.2.1 項目投資分析 .......................................................................................... 13 2.2.2 項目融資方案分析 .................................................................................. 14 2.2.3 財務及效益分析 ...................................................................................... 14 2.3 項目建設必要性分析 ........................................................................................ 16 2.3.1 滿足地區負荷增長的需要 ...................................................................... 16 2.3.2 提高地區供電可靠性 .............................................................................. 16 第三章 鄂爾多斯新街送變電擴容項目選址定容研究................................................ 17 3.1 變電站站址選擇 ................................................................................................ 17 3.1.1 站址初選 .................................................................................................. 17 3.1.2 站址選擇 .................................................................................................. 18 3.2 變電站容量選擇 ................................................................................................ 19 3.2.1 接入系統方案 .......................................................................................... 19 3.2.2 主變規模 .................................................................................................. 19 3.2.3 變電站出線規模 ...................................................................................... 19 3.2.4 無功補償容量 .......................................................................................... 19IV 3.3 項目工程進度分析 ............................................................................................ 20 第四章 鄂爾多斯新街送變電擴容項目設備和工藝方案選擇.................................... 21 4.1 主要電氣設備選擇 ............................................................................................ 21 4.1.1 220kV 變電站 ........................................................................................... 21 4.1.2 對側新街 110kV 變電站 ......................................................................... 21 4.2 系統繼電保護及安全自動裝置方案 ................................................................ 24 4.2.1 220kV 部分 ............................................................................................... 24 4.2.2 110kV 部分, ........................................................................................... 25 4.3 調度自動化方案 ................................................................................................ 25 4.3.1 遠動系統方案 .......................................................................................... 25 4.3.2 安防遙視系統 .......................................................................................... 26 4.3.3 電力二次系統安全防護 .......................................................................... 26 4.4 系統通信方案 .................................................................................................... 26 4.4.1 新街 220kV 變建設方案 ......................................................................... 26 4.4.2 新街 110kV 變側間隔建設方案 ............................................................. 27 4.4.3 通道組織方案 .......................................................................................... 27 4.4.4 系統保護通道組織方案 .......................................................................... 28 4.4.5 站內通信方案 .......................................................................................... 29 4.5 輸電線路布置方案 ............................................................................................ 29 4.5.1 新街 220kV 變電站出線 ......................................................................... 29 4.5.2 新街 110kV 變電站出線 ......................................................................... 30 第五章 新街送變電擴容項目環境保護分析................................................................ 31 5.1 站區環境概況 .................................................................................................... 31 5.2 主要污染源及環境影響分析 ............................................................................ 31 5.2.1 環境空氣 .................................................................................................. 31 5.2.2 廢污水 ...................................................................................................... 31 5.2.3 噪聲 .......................................................................................................... 31 5.2.4 固體廢物 .................................................................................................. 32 5.2.5 電磁輻射及無線電干擾 .......................................................................... 32 5.3 污染防治措施 .................................................................................................... 32 5.3.1 環境空氣污染防治措施 .......................................................................... 32 5.3.2 水污染防治措施 ...................................................................................... 33 5.3.3 噪聲防治措施 .......................................................................................... 33 5.3.4 固體廢物防治措施 .................................................................................. 33 5.3.5 電磁環境影響防治措施 .......................................................................... 33V 第六章 新街送變電擴容項目綜合評價........................................................................ 34 6.1 新街送變電擴容項目綜合評價指標體系的建立 ............................................ 34 6.1.1 層次分析法的基本原理 ........................................................................... 34 6.1.2 綜合評價指標體系 .................................................................................. 34 6.2 模糊綜合評價方法 [27-29] .................................................................................... 35 6.2.1 因素集的建立 .......................................................................................... 35 6.2.2 評價集的建立 .......................................................................................... 35 6.2.3 評價矩陣的建立 ...................................................................................... 36 6.2.4 權重向量的建立 ...................................................................................... 36 6.2.5 合成綜合評價結果 .................................................................................. 38 6.3 新街送變電擴容項目模糊綜合評價過程 ........................................................ 38 6.3.1 指標評價分數 .......................................................................................... 38 6.3.2 權重 .......................................................................................................... 39 6.3.3 一致性檢驗 .............................................................................................. 41 6.3.4 評價矩陣 .................................................................................................. 41 6.3.5 評價結果合成 .......................................................................................... 42 第七章 結 論.................................................................................................................. 44
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