【正文】 1 編制依據(jù) .........................................................................................................................................................1 任務(wù)依據(jù) .................................................................................................................................................1 技術(shù)依據(jù) .................................................................................................................................................1 設(shè)計(jì)范圍 ......................................................................................................................................................2 建設(shè)規(guī)模 ......................................................................................................................................................2 第二章 項(xiàng)目建設(shè)的必要性和可行性 .......................................................................................... 5 項(xiàng)目所涉供電片區(qū)現(xiàn)狀 ...............................................................................................................................5 羅甸縣“十二五”電網(wǎng)規(guī)劃 .......................................................................................................................5 項(xiàng)目所涉供電片區(qū)存在問題及影響 ...........................................................................................................7 項(xiàng)目建設(shè)必要性、可行性 .........................................................................................................................9 負(fù)荷預(yù)測 ......................................................................................................................................................9 導(dǎo)線選擇 ..................................................................................................................................................... 11 表 10本期工程 線路導(dǎo)線截面計(jì)算選擇表 .........................................................................13 第三章 工程設(shè)計(jì)方案 ...........................................................................................................13 線路部分 ..................................................................................................................................................... 13 路徑方案 ............................................................................................................................................. 13 工程氣象條件選擇 .............................................................................................................................. 14 工程導(dǎo)線選擇 ..................................................................................................................................... 15 3． 2 設(shè)備選擇原則 .......................................................................................................................................... 17 變壓器選擇原則 .................................................................................................................................. 17 無功補(bǔ)償原則 ...................................................................................................................................... 18 柱上斷路器、負(fù)荷開關(guān)及熔斷器 ..................................................................................................... 18 配電設(shè)備防雷及接地 ......................................................................................................................... 20 工程桿塔及基礎(chǔ)規(guī)劃： ............................................................................................................................ 20 桿塔設(shè)計(jì)原則 ..................................................................................................................................... 20 2 桿塔選擇 .............................................................................................................................................. 21 采用主要桿型 ..................................................................................................................................... 21 第四章 工程量統(tǒng)計(jì) ..............................................................................................................21 本工程總工程量 ......................................................................................................................................... 21 第 五章 投資估算 .....................