【正文】 110kV***變電站工程初步設(shè)計(jì) 設(shè)計(jì)說(shuō)明書(shū) (修改 稿 ) 二 00 九 年 七 月 110kV 變電站工程初步設(shè)計(jì)說(shuō)明書(shū) 1 目 錄 一、設(shè)計(jì)說(shuō)明書(shū) ............................................................. 3 第 1 章 總的部分 ............................................................ 3 設(shè)計(jì)依據(jù) ......................................................................................................................... 3 110kV***區(qū)電網(wǎng)現(xiàn)狀及本工程接入系統(tǒng)方案 ............................................................. 3 建設(shè)規(guī)模 ......................................................................................................................... 3 設(shè)計(jì)范圍 ......................................................................................................................... 4 站址概況 ......................................................................................................................... 5 方案概述 ......................................................................................................................... 6 與典型設(shè)計(jì)Ⅷ比較 .......................................................................................................... 8 主要經(jīng)濟(jì)指標(biāo) .................................................................................................................. 9 第 2 章 電氣部分 ........................................................... 9 電氣主接線 ..................................................................................................................... 9 短路電流計(jì)算及主設(shè)備選擇 ....................................................................................... 10 絕緣配合及過(guò)電壓保護(hù) ............................................................................................... 12 電氣總平面布置及各級(jí)電壓配電裝置型式 ............................................................... 15 無(wú)功配置 ........................................................................................................................ 16 站用電及照明 ............................................................................................................... 16 SF6 氣體泄露報(bào)警儀的設(shè)置 ........................................................................................ 17 圖像監(jiān)視安全警衛(wèi)系統(tǒng) ............................................................................................... 17 電纜設(shè)施 ....................................................................................................................... 17 防雷接地 ..................................................................................................................... 18 電氣二次部分 ............................................................................................................. 18 對(duì)側(cè)間隔部分 ............................................................................................................. 19 第 3 章 調(diào)度自動(dòng)化及通信部分 ............................................. 20 調(diào)度自動(dòng)化工程實(shí)現(xiàn) .................................................................................................... 20 調(diào)度自動(dòng)化信息范圍 .................................................................................................... 20 遠(yuǎn)動(dòng)通道 ........................................................................................................................ 20 地調(diào)與本站通信方式及站內(nèi)通信電源 ........................................................................ 20 第 4 章 土建部分 ......................................................... 21 站址場(chǎng)地概述 ................................................................................................................ 21 設(shè)計(jì)原始資料 ................................................................................................................ 21 主要建筑材料 ................................................................................................................ 23 站區(qū)總平面布置與交通運(yùn)輸 ....................................................................................... 23 主要建筑及附屬建筑 ................................................................................................... 24 變電構(gòu)支架及基礎(chǔ) ....................................................................................................... 24 站區(qū)圍墻大門 ............................................................................................................... 24 站區(qū)地基處理 ............................................................................................................... 24 第 5 章 水工及消防部分 .................................................... 25 水源 ................................................................................................................................ 25 110kV 變電站工程初步設(shè)計(jì)說(shuō)明書(shū) 2 給水 ............................................................................................................................... 25 排水系統(tǒng)及防洪排澇 ................................................................................................... 25 消防 ........................................................