【正文】 .......................................................... 8 負(fù)荷計(jì)算常用數(shù)據(jù) ................................................................................................................................................... 9 高層建筑中一回路供電層數(shù)確定 ......................................................................................................................... 10 選用單相或三相配電標(biāo)準(zhǔn) ..................................................................................................................................... 11 一級(jí)負(fù)荷的供電要求和措施 ................................................................................................................................. 11 二級(jí)負(fù)荷的供電要求和措施 ............................................................................................................................... 11 應(yīng)急與正常電源防并列措施 ............................................................................................................................... 12 應(yīng)急電源的選擇 ................................................................................................................................................... 12 消防用電設(shè)備供電要求 ....................................................................................................................................... 13 非消防電源切斷 ................................................................................................................................................... 143 變配電所 .................................................................................................................................................................15 變配電所位置 ......................................................................................................................................................... 15 變配電所土建要求 ................................................................................................................................................. 15 變配電所設(shè)備布置 ................................................................................................................................................. 16 變配電所設(shè)備選擇 ................................................................................................................................................. 17 發(fā)電機(jī)房 ................................................................................................................................................................. 17 變壓器選型及布置 ................................................................................................................................................. 18 自備柴油發(fā)電機(jī)組的選擇 ..................................................................................................................................... 19 供配電系統(tǒng)設(shè)備選擇與標(biāo)注 ................................................................................................................................. 20 中低壓出線開關(guān)分?jǐn)嗄芰Γ瑒?dòng)、熱穩(wěn)定校驗(yàn) ..................................................................................................... 20 接地刀開關(guān)的安裝 ............................................................................................................................................... 20 電流、電壓互感器選型及安裝位置 ................................................................................................................... 214 低壓配電 .................................................................................................................................................................22 由建筑物外引入的低壓配電線路，應(yīng)在靠近進(jìn)線地方裝設(shè)隔離電器.............................................................. 22 住宅配電箱進(jìn)線開關(guān)選擇 ..................................................................................................................................... 22 微型斷路器有無必要在系統(tǒng)圖中注明開關(guān)切斷時(shí)間 ......................................................................................... 22 消防設(shè)備過負(fù)荷保護(hù)問題 ..................................................................................................................................... 23 關(guān)于四極開關(guān)應(yīng)用問題 ......................................................................................................................................... 23 自動(dòng)轉(zhuǎn)換開關(guān)電器ATSE ......................................................................................................................................... 24 漏電電流動(dòng)作保護(hù)器RCD 的設(shè)置及漏電斷路器選擇 ......................................................................................... 25 電動(dòng)機(jī)配合 ............................................................................................................................................................. 25 電梯機(jī)房里的設(shè)備配電 ......................................................................................................................................... 27 電梯配合 ............................................................................................................................................................... 27 特低電壓隔離變壓器二次側(cè)未設(shè)保護(hù)電器 ....................................................................................................... 28 導(dǎo)體截面選擇 ....................................................................................................................................................... 28 導(dǎo)線載流量 ........................................................................................................................................................... 29 纜線保護(hù)管、線槽選擇 ....................................................................................................................................... 29 管線敷設(shè)及防火保護(hù)措施 ................................................................................................................................... 29 纜線與保護(hù)電器選擇 ........................................................................................................................................... 30 關(guān)于高層民用建筑防火封堵問題 .......................................................................................................................