【正文】 ........................................................................ 14 配電系統(tǒng)設(shè)計(jì)的 一般規(guī)定 .......................................................................................... 15 導(dǎo)線選擇與敷設(shè) ............................................................................................................. 16 導(dǎo)線選擇 ..................................................................................................................... 16 導(dǎo)線敷設(shè)及型號(hào) ......................................................................................................... 17 負(fù)荷計(jì)算 ......................................................................................................................... 18 負(fù)荷計(jì)算的方法及選用原則 ..................................................................................... 18 本工程負(fù)荷計(jì)算 .............................................................................................................. 20 分戶箱系統(tǒng) .................................................................................................................. 20 集中電表箱 .................................................................................................................. 24 其他供電系統(tǒng) .............................................................................................................. 26 第五章 防雷接地系統(tǒng)設(shè)計(jì) .................................................................................................. 27 防雷系統(tǒng)概論 .................................................................................................................. 27 本建筑物年預(yù)計(jì)雷擊次數(shù)的計(jì)算 .................................................................................. 27 本工程防雷系統(tǒng)設(shè)計(jì) ...................................................................................................... 28 接地系統(tǒng) .......................................................................................................................... 29 本工程防雷接地保護(hù)措施 .............................................................................................. 30 第六章 消防系統(tǒng)設(shè)計(jì) .......................................................................................................... 31 消防系統(tǒng)概況 .................................................................................................................. 31 設(shè)計(jì)依據(jù) .......................................................................................................................... 31 系統(tǒng)設(shè)計(jì) .......................................................................................................................... 31 設(shè)備安裝及線路敷設(shè) ...................................................................................................... 31 設(shè)備安裝 ...................................................................................................................... 31 線路敷設(shè) ...................................................................................................................... 32 消防聯(lián)動(dòng) .......................................................................................................................... 32 第七章 有線電視系統(tǒng)設(shè)計(jì) .................................................................................................. 33 有線電視系統(tǒng)簡(jiǎn)介和組成 .............................................................................................. 33 有線電視系統(tǒng)簡(jiǎn)介 ..................................................................................................... 33 系統(tǒng)的組成 ................................................................................................................. 33 主要產(chǎn)品介紹 .................................................................................................................. 33 分配器 ......................................................................................................................... 33 分支器 ......................................................................................................................... 34 放大器 ......................................................................................................................... 34 有線電視設(shè)計(jì)原則和一般規(guī)定 ...................................................................................... 34 設(shè)計(jì)原則和要求 .......................................................................................................... 34 一般規(guī)定 ...................................................................................................................... 36 同軸電纜的選用 .............................................................................................................. 37 本次有線電視系統(tǒng)設(shè)計(jì)及相關(guān)計(jì)算 .............................................................................. 37 第八章 電話及網(wǎng)絡(luò)系 統(tǒng)設(shè)計(jì) .............................................................................................. 42 電話系統(tǒng) .......................................................................................................................... 42 電話系統(tǒng)設(shè)計(jì)一般原則 .............................................................................................. 42 電話電纜引入住宅樓要求 .......................................................................................... 42 本工程電話系統(tǒng)設(shè)計(jì) .................................................................................................. 43 網(wǎng)絡(luò)系統(tǒng)設(shè)計(jì) ................................................................................................................. 43 網(wǎng)絡(luò)系統(tǒng)一般規(guī)定 ..................................................................................................... 43 本工程網(wǎng)絡(luò)系統(tǒng)設(shè)計(jì) .................................................................................................. 44 第九章 經(jīng)濟(jì)技術(shù)分析 ............................................................................................................ 1 第十章 結(jié)論 ..............................................................................................錯(cuò)誤 !未定義書(shū)簽。 關(guān)鍵詞 ：低壓配電； 照明； 防雷； 弱電 Abstract With the rapid development of national economy and munication technology, the structured cabling techno