【正文】 校核 /日期 ： 設(shè)計(jì) /日期 ： 開(kāi)陽(yáng) 110kV毛栗變電站 35kV送出 工程 可研設(shè)計(jì)總說(shuō)明書 目錄 1 工程概述 .............................................................................................................................. 1 設(shè)計(jì)依據(jù) .................................................................................................................... 1 接入系統(tǒng)概況及建設(shè)設(shè)計(jì)水平年 ............................................................................ 1 主要設(shè)計(jì)原則 ............................................................................................................ 3 建設(shè)規(guī)模及設(shè)計(jì)范圍 ................................................................................................ 5 設(shè)計(jì)范圍 .................................................................................................................... 5 2 線路路徑選擇及工程設(shè)想 .................................................................................................. 6 變電站進(jìn)出線描述 .................................................................................................... 6 線路路徑方案 ............................................................................................................ 8 主要交叉跨越及拆遷統(tǒng)計(jì) ...................................................................................... 18 主要技術(shù)經(jīng)濟(jì)指標(biāo) .................................................................................................. 19 行政區(qū)劃分及沿線自然條件 .................................................................................. 23 線路路徑交叉跨越已運(yùn)行的線路的情況 .............................................................. 24 路徑協(xié)議 .................................................................................................................. 24 3 氣象條件 ............................................................................................................................ 24 4 導(dǎo)、地線型號(hào)選擇 ............................................................................................................ 28 導(dǎo)線選型 .................................................................................................................. 28 地線選型 .................................................................................................................. 29 5 絕緣設(shè)計(jì) ............................................................................................................................ 30 污穢等級(jí)的確定 ...................................................................................................... 30 絕緣配置 .................................................................................................................. 30 6 防雷設(shè)計(jì) ............................................................................................................................ 31 防雷措施 .................................................................................................................. 31 接地裝置 .................................................................................................................. 32 接地電阻 .................................................................................................................. 32 7 桿塔設(shè)計(jì) ............................................................................................................................ 32 桿塔選型 .................................................................................................................. 32 鐵塔荷載 .................................................................................................................. 32 鐵塔材料 .................................................................................................................. 32 開(kāi)陽(yáng) 110kV毛栗變電站 35kV送出 工程 可研設(shè)計(jì)總說(shuō)明書 登塔措施 .................................................................................................................. 32 8 基礎(chǔ)設(shè)計(jì) ............................................................................................................................ 33 基礎(chǔ)型式 .................................................................................................................. 33 基礎(chǔ)材料 .................................................................................................................. 33 9 電纜部分 ............................................................................................................................ 33 電纜的截面及型號(hào) .................................................................................................. 33 電纜的敷設(shè)方式 ...................................................................................................... 33 電纜金屬護(hù)層的接地方式 ...................................................................................... 33 10 通信保護(hù)設(shè)計(jì) .................................................................................................................... 33 11 環(huán)境保護(hù) ............................................................................................................................ 34 工程污染分析和防治措施 ...................................................................................... 34 水土保持 .................................................................................................................. 34 12 資產(chǎn)全生命周期分析 ........................................................................................................ 34 13 投資估算（詳見(jiàn)附表） .................................................................................................... 34 14 結(jié)論及建議 ........................................................................................................................ 34 15 附件及附圖 ........................................................................................................................ 35 16 附表 ...................................................................................................................