【正文】 ............................................................................... 1 預(yù)期目標(biāo) ................................................................................................................... 1 編制依據(jù) ................................................................................................................... 1 項(xiàng)目經(jīng)濟(jì)技術(shù)原則 ..................................................................................................... 2 可研范圍 ............................................................................................................................. 2 2 電力系統(tǒng)一次 ................................................................................................................................. 2 XX電網(wǎng)現(xiàn)狀 ......................................................................................................................... 2 電網(wǎng)概述 ................................................................................................................... 2 變電站概述 ............................................................................................................... 2 輸電線路概述 ............................................................................................................ 3 發(fā)電廠概述 ............................................................................................................... 3 XX電網(wǎng)存在的問(wèn)題 .................................................................................................... 3 XX電網(wǎng)規(guī)劃 ......................................................................................................................... 4 南鄭縣電網(wǎng)現(xiàn)狀 ................................................................................................................... 4 縣域電網(wǎng)概述 ............................................................................................................ 4 縣域變電站簡(jiǎn)介 ........................................................................................................ 4 110kV陽(yáng)春橋變現(xiàn)狀 .................................................................................................. 5 存在問(wèn)題 ................................................................................................................... 5 陽(yáng)春橋供電區(qū)域負(fù)荷預(yù)測(cè) ..................................................................................................... 6 由經(jīng)濟(jì)發(fā)展預(yù)測(cè)負(fù)荷 ................................................................................................. 6 由電網(wǎng)運(yùn)行數(shù)據(jù)預(yù)測(cè)負(fù)荷 .......................................................................................... 8 負(fù)荷預(yù)測(cè)結(jié)論 ...........................................................................................................11 項(xiàng)目建設(shè)的必要性 ............................................................................................................. 12 區(qū)域負(fù)荷增長(zhǎng)的需要 ............................................................................................... 12 電網(wǎng)安全可靠供電的需要 ........................................................................................ 12 符合電網(wǎng)規(guī)劃和電力設(shè)施布局規(guī)劃 .......................................................................... 12 政策適應(yīng)性分析 ...................................................................................................... 13 接入系統(tǒng)方案 .................................................................................................................... 14 變電站規(guī)模 ............................................................................................................. 14 接入系統(tǒng)方案 .......................................................................................................... 14 接入系統(tǒng)設(shè)計(jì) .................................................................................................................... 15 短路電流 電氣計(jì)算 ................................................................................................... 15 對(duì)電氣主接線及有關(guān)設(shè)備參數(shù)的要求 ....................................................................... 15 系統(tǒng)一次小結(jié) .......................................................................................................... 16 3 電力系統(tǒng)二次 ............................................................................................................................... 16 系統(tǒng)繼電保護(hù) .................................................................................................................... 16 一次系統(tǒng)概況 .......................................................................................................... 16 現(xiàn)狀和存在的問(wèn)題 ................................................................................................... 17 系統(tǒng)繼電保護(hù)配置方案 ............................................................................................ 18 110kV 陽(yáng)春橋變電站增容改造工程 可行性研究（收口） 保護(hù)及故障信息管理系統(tǒng)子站 ................................................................................. 19 對(duì)通信通道的技術(shù)要求 ............................................................................................ 19 對(duì)相關(guān)專業(yè)的技術(shù)要求 ............................................................................................ 19 調(diào)度自動(dòng)化 ........................................................................................................................ 19 現(xiàn)狀及存在的問(wèn)題 ................................................................................................... 19 遠(yuǎn)動(dòng)系統(tǒng) ................................................................................................................. 19 ................................................................................................................. 20 電能計(jì)量裝置及電能量遠(yuǎn)方終端 ........................................................................................ 20 現(xiàn)狀及存在的問(wèn)題 ................................................................................................... 20 電能計(jì)量裝置及電能量遠(yuǎn)方終端配置 ....................................................................... 20 調(diào)度數(shù)據(jù)通信網(wǎng)絡(luò)接入設(shè)備 ........................................................