【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)計范圍 ......................................................................................................................................................2 建設(shè)規(guī)模 ......................................................................................................................................................2 第二章 項目建設(shè)的必要性和可行性 .......................................................................................... 5 項目所涉供電片區(qū)現(xiàn)狀 ...............................................................................................................................5 羅甸縣“十二五”電網(wǎng)規(guī)劃 .......................................................................................................................5 項目所涉供電片區(qū)存在問題及影響 ...........................................................................................................7 項目建設(shè)必要性、可行性 ...................................................................................................................... 10 負荷預測 ................................................................................................................................................... 10 導線選擇 ..................................................................................................................................................... 12 第三章 工程設(shè)計方案 ...........................................................................................................14 線路部分 ..................................................................................................................................................... 14 路徑方案 ............................................................................................................................................. 14 工程氣象條件選擇 .............................................................................................................................. 15 工程導線選擇 ..................................................................................................................................... 16 3． 2 設(shè)備選擇原則 .......................................................................................................................................... 18 變壓器選擇原則 .................................................................................................................................. 18 無功補償原則 ...................................................................................................................................... 19 柱上斷路器、負荷開關(guān)及熔斷器 ..................................................................................................... 19 配電設(shè)備防雷及接地 ......................................................................................................................... 21 工程桿塔及基礎(chǔ)規(guī)劃： ............................................................................................................................ 22 桿塔設(shè)計原則 ..................................................................................................................................... 22 2 桿塔選擇 .............................................................................................................................................. 22 采用主要桿型 ..................................................................................................................................... 22 第四章 工程量統(tǒng)計 ..............................................................................................................23 本工程總工程量 ......................................................................................................................................... 23 第五章 投資估算 ..................................................................................................................23 本工程總 投資估算 .................................................................................................................................... 23 第