【正文】 ............................................................................................................. 4 站 址選擇 ........................................................................................................................ 5 2 系統(tǒng)部分 ............................................................................................................................ 6 電網(wǎng)現(xiàn)狀 ........................................................................................................................ 6 負(fù)荷預(yù)測(cè) ........................................................................................................................ 9 接入系統(tǒng)方式 .............................................................................................................. 11 各級(jí)電壓出線(xiàn)回路數(shù) .................................................................................................. 12 3 電氣一次 .......................................................................................................................... 12 電氣主接線(xiàn) .................................................................................................................. 12 短路電流計(jì)算及主要電氣設(shè)備選擇 .......................................................................... 14 設(shè)備布置 ...................................................................................................................... 18 站 用電 .......................................................................................................................... 19 防雷與接地 .................................................................................................................. 19 照明 .............................................................................................................................. 19 4 電氣二次 .......................................................................................................................... 20 自動(dòng)控制 ...................................................................................................................... 20 繼電保護(hù) ...................................................................................................................... 20 遠(yuǎn)動(dòng) .............................................................................................................................. 21 通信 .............................................................................................................................. 21 直流系統(tǒng) ...................................................................................................................... 22 主要電氣設(shè)備匯總 ...................................................................................................... 22 5 土建部分 .......................................................................................................................... 24 總平面布置及交通運(yùn)輸 .............................................................................................. 24 主要建筑物 .................................................................................................................. 24 戶(hù)外構(gòu)筑物 .................................................................................................................. 24 給排水系統(tǒng) .................................................................................................................. 25 采暖通風(fēng) ...................................................................................................................... 25 6 消 防 .............................................................................................................................. 26 消防設(shè)計(jì)標(biāo)準(zhǔn) .............................................................................................................. 26 消防措施 ...................................................................................................................... 26 其他 .............................................................................................................................. 26 2 7 施工組織設(shè)計(jì) .................................................................................................................. 27 施工條件 ...................................................................................................................... 27 施工內(nèi)容和進(jìn)度 .......................................................................................................... 27 8 環(huán)境保護(hù) ........................................................................................................................ 28 自然環(huán)境和社會(huì)環(huán)境 .................................................................................................. 28 環(huán)境質(zhì)量現(xiàn)狀 ............................................................................................................. 22 變電 站 建設(shè)對(duì)環(huán)境的影響及污染防治措施 .............................................................. 28 9 投資估算 .......................................................................................................................... 30 編制依據(jù) ...................................................................................................................... 30 工程投資 ...................................................................................................................... 30 投資估算表 .................................................................................................................. 31 10 經(jīng)濟(jì)評(píng)價(jià) ........................................................................................................................ 34 國(guó)民經(jīng)濟(jì)評(píng)價(jià) ............................................................................................................ 34 財(cái)務(wù)評(píng)價(jià) .................................................................................................................... 34 11 計(jì)劃開(kāi)工、投產(chǎn)時(shí)間 ........................................................................................................... 附圖： 序號(hào) 圖 名 圖 號(hào) 1 2020 年崇左市江州區(qū) 35KV 及以上 電網(wǎng) 地理