【正文】 ........................... 47 調(diào)度自動化 ................................................................................................. 48 調(diào)度自動化系統(tǒng)現(xiàn)狀及存在的問題 ................................................ 48 遠(yuǎn)動系統(tǒng) ......................................................................................... 48 電能量計量系統(tǒng) .............................................................................. 53 變電站視頻及環(huán)境監(jiān)控系統(tǒng) ........................................................... 54 變電站二次系統(tǒng)安全防護 ............................................................... 56 自動化設(shè)備的配置 .......................................................................... 57 系統(tǒng)通信 ................................................................................................... 57 概述 ................................................................................................ 57 業(yè)務(wù)需求分析 ................................................................................. 58 通信現(xiàn)狀及存在的問題 ................................................................... 60 通信方式 ......................................................................................... 61 光纖通信方案 ................................................................................. 61 微波通 信方案 ................................................................................. 63 載波通信方案 ................................................................................. 63 調(diào)度數(shù)據(jù)網(wǎng)方案 .............................................................................. 63 綜合數(shù)據(jù)網(wǎng)方案 .............................................................................. 63 各種業(yè)務(wù)通道方案 ........................................................................ 63 輔助設(shè)施 ....................................................................................... 64 4. 變電站站址選擇 .......................................................................................... 64 變電站站址 ................................................................................................ 65 站址區(qū)域概況 ................................................................................. 66 站址的拆遷賠償情況 ...................................................................... 69 出線條件 ......................................................................................... 69 站址氣象、氣候，水文地質(zhì)及水資源條件 ..................................... 69 站址工程地質(zhì) ................................................................................. 70 土石方工程 ..................................................................................... 71 進(jìn)站道路及交通運輸 ...................................................................... 72 站用電源 ......................................................................................... 72 站用水源 ......................................................................................... 73 站址環(huán)境 ....................................................................................... 73 4 通信干擾 ....................................................................................... 73 施工條件 ....................................................................................... 73 綜合評價與推薦站址 ..................................................................... 74 變電工程設(shè)想 ............................................................................................ 75 系統(tǒng)概述 ......................................................................................... 76 電氣主接線選擇 .............................................................................. 76 電氣總平面 ..................................................................................... 76 電氣設(shè)備抗震措施 .......................................................................... 78 短路電流計算 ................................................................................. 78 導(dǎo)體及主要電氣設(shè)備選型 ............................................................... 79 絕緣配合及過電壓保護 ................................................................... 85 防雷接地 ......................................................................................... 90 電纜設(shè)施 ......................................................................................... 91 電氣二次 ................................................................................................... 92 管理模式 ......................................................................................... 92 監(jiān)測、監(jiān)控范圍 .............................................................................. 92 配置方案 ......................................................................................... 96 與其他智能設(shè)備的接口 ..................................................................100 高級應(yīng)用功能 .................................................................................101 電能表 ............................................................................................102 元件保護及自動裝置 ................................................................................102 元件保護 ........................................................................................102 備用電源自動投切裝置 ..................................................................104 智能一體化電源系統(tǒng) ................................................................................104 直流系統(tǒng) ........................................................................................104 站用電源系統(tǒng) ................................................................................106 交流不停電電源系統(tǒng) .....................................................................106 通信電源 ........................................................................................106 其它二次系統(tǒng) ...........................................................................................106 全站時間同步系統(tǒng) .........................................................................106 設(shè)備狀態(tài)監(jiān)測系統(tǒng) ..............................................................