【正文】 28插入式振動器_ZX50C89圓盤鋸410警衛(wèi)照明(1000W/km)711混凝土澆筑照明3012蛙式夯機113塔式起重機_QTZ80214合計 供電系統(tǒng)結(jié)構(gòu)表 總配箱1結(jié)構(gòu)表總配箱1干1分1雙籠電梯開關箱雙籠電梯鋼筋對焊機開關箱鋼筋對焊機鋼筋調(diào)直切斷機_GT6/14開關箱鋼筋調(diào)直切斷機_GT6/14鋼筋切斷機開關箱鋼筋切斷機塔式起重機_QTZ80（5810）開關箱塔式起重機_QTZ80（5810）鋼筋彎曲機開關箱鋼筋彎曲機電焊機開關箱電焊機插入式振動器_ZX50C開關箱插入式振動器_ZX50C圓盤鋸開關箱圓盤鋸警衛(wèi)照明(1000W/km)開關箱警衛(wèi)照明(1000W/km)混凝土澆筑照明開關箱混凝土澆筑照明干2分2鋼筋彎曲機開關箱鋼筋彎曲機鋼筋切斷機開關箱鋼筋切斷機蛙式夯機開關箱蛙式夯機雙籠電梯開關箱雙籠電梯塔式起重機_QTZ80開關箱塔式起重機_QTZ80圓盤鋸開關箱圓盤鋸插入式振動器_ZX50C開關箱插入式振動器_ZX50C鋼筋調(diào)直切斷機_GT6/14開關箱鋼筋調(diào)直切斷機_GT6/14電焊機開關箱電焊機混凝土澆筑照明開關箱混凝土澆筑照明 確定用電負荷 總配箱1用電負荷(1)雙籠電梯組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (2)鋼筋對焊機組Kx = ，Cosφ = ，tgφ = 將Jc = 40%統(tǒng)一換算到Jc = 100%的額定容量Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = Pjs = KxPe = = Qjs = Pjstgφ = = (3)鋼筋調(diào)直切斷機_GT6/14組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (4)鋼筋切斷機組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (5)塔式起重機_QTZ80（5810）組Kx = ，Cosφ = ，tgφ = 將Jc = 40%統(tǒng)一換算到Jc = 25%的額定容量Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = Pjs = KxPe = = Qjs = Pjstgφ = = (6)鋼筋彎曲機組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (7)電焊機組Kx = ，Cosφ = ，tgφ = 將Jc = 40%統(tǒng)一換算到Jc = 100%的額定容量Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = Pjs = KxPe = = Qjs = Pjstgφ = = (8)插入式振動器_ZX50C組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (9)圓盤鋸組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (10)警衛(wèi)照明(1000W/km)組Kx = ，Cosφ = ，tgφ = 0Pjs = KxPe = = Qjs = Pjstgφ = 0 = (11)混凝土澆筑照明組Kx = ，Cosφ = ，tgφ = 0Pjs = KxPe = = Qjs = Pjstgφ = 0 = (12)鋼筋彎曲機組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (13)鋼筋切斷機組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (14)蛙式夯機組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (15)雙籠電梯組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (16)塔式起重機_QTZ80組Kx = ，Cosφ = ，tgφ = 將Jc = 40%統(tǒng)一換算到Jc = 25%的額定容量Pe = n(Jc/Jc1)1/2Pn = 2()1/2 = Pjs = KxPe = = Qjs = Pjstgφ = = (17)圓盤鋸組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (18)插入式振動器_ZX50C組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (19)鋼筋調(diào)直切斷機_GT6/14組Kx = ，Cosφ = ，tgφ = Pjs = KxPe = = Qjs = Pjstgφ = = (20)電焊機組Kx = ，Cosφ = ，tgφ = 將Jc = 40%統(tǒng)一換算到Jc = 100%的額定容量Pe = n(Jc/Jc1)1/2Pn = 1()1/2 = Pjs = KxPe = = Qjs = Pjstgφ = = (21)混凝土澆筑照明組Kx = ，Cosφ = ，tgφ = 0Pjs = KxPe = = Qjs = Pjstgφ = 0 = (22)總的計算負荷計算，干線同期系數(shù)取 Kx = 總的有功功率Pjs = KxΣPjs = (++++++++++++++++++++) = 總的無功功率Qjs =KxΣQjs = (++++++++++++++++++++) = 總的視在功率Sjs = (Pjs2+Qjs2)1/2 = (+)1/2 = 總的計算電流計算Ijs = Sjs/(Ue) = () = 由于總配線計算電流小于其干線電流值，所以取干線最大電流值： 選擇變壓器 根據(jù)計算的總的視在功率選擇SL7315/10型三相電力變壓器，≥(增容系數(shù))能夠滿足使用要求。施工現(xiàn)場臨時用電配電線路按照國家相關規(guī)范要求以及現(xiàn)場場地的實際情況進行敷設。第二章 編制依據(jù)《施工現(xiàn)場臨時用電安全技術規(guī)范》JGJ462005《建筑工程施工現(xiàn)場供電安全規(guī)范》GB501942014《低壓配電設計規(guī)范》GB500542011《通用用電設備配電設計規(guī)范》GB500552011《供配電系統(tǒng)設計規(guī)范》GB500522009《建筑施工安全檢查標準》JGJ592011《建筑施工計算手冊》第三章 施工現(xiàn)場臨時用電平面布置圖 (此圖僅作施工現(xiàn)場臨時用電布置示意，用戶應根據(jù)實際工程自行編制)第四章 臨時用電設計 現(xiàn)場勘探及初步設計(1) 本工程所在施工現(xiàn)場范圍內(nèi)無各種埋地管線。 選擇總箱的進線截面及進線開關 總配箱1進線(1)選擇導線截面： i) 按安全載流量： 上面已經(jīng)計算出總計算電流Ijs = ii) 按允許電壓降： S = KxΣ(PL)/C△U = () = iii) 根據(jù)前面兩條： 電纜線空氣明敷，銅芯聚氯乙烯絕緣電纜線VV3300+2150，其安全載流量為474A，截面面積300mm2，能夠滿足使用要求。分1至開關箱，開關箱至用電設備采用銅芯聚氯乙烯絕緣電纜線空氣明敷。(2)鋼筋對焊機開關箱至鋼筋對焊機導線截面及開關箱內(nèi)電氣設備選擇i)計算電流Kx 取 ，Cosφ = Ijs = KxPe/(UeCosφ) = () = ii)選擇導線按允許電壓降：S = KxΣ(PL)/C△U = () = 選擇VV310+26，空氣明敷時其安全載流量為53A。iii)選擇電氣設備選擇開關箱內(nèi)開關為DZ1563/3，其脫扣器整定電流值為Ir = 49A。漏電保護器為ZBM1100/25。(6)鋼筋彎曲機開關箱至鋼筋彎曲機導線截面及開關箱內(nèi)電氣設備選擇i)計算電流Kx 取 ，Cosφ = Ijs = KxPe/(UeCosφ) = () = ii)選擇導線按允許電壓降：S = KxΣ(PL)/C△U = () = 選擇VV34+2，空氣明敷時其安全載流量為30A。漏電保護器為RMM163/12。iii)選擇電氣設備選擇開關箱內(nèi)開關為DZ520/3，其脫扣器整定電流值為Ir = 16A。漏電保護器為ZBM163/10。室外架空銅芯電纜線按機械強度的最小截面為10mm2，滿足要求。iii)選擇電氣設備選擇分配箱進線開關為DZ10600/3，其脫扣器整定電流值為Ir = 480A。 干2線路上導線截面及分配箱、開關箱內(nèi)電氣設備選擇 在選擇前應對照平面圖和系統(tǒng)圖先由用電設備至開關箱計算，再由開關箱至分配箱計算，選擇導線及開關設備。(2)鋼筋切斷機開關箱至鋼筋切斷機導線截面及開關箱內(nèi)電氣設備選擇i)計算電流Kx 取 ，Cosφ = Ijs = KxPe/(UeCosφ) = () = ii)選擇導線按允許電壓降：S = KxΣ(PL)/C△U = () = 選擇VV34+2，空氣明敷時其安全載流量為30A。iii)選擇電氣設備選擇開關箱內(nèi)開關為Hk215/3，熔斷器RC1A10其最大熔體電流為IRD = 10A，漏電保護器為ZBM163/10。(5)塔式起重機_QTZ80開關箱至塔式起重機_QTZ80導線截面及開關箱內(nèi)電氣設備選擇i)計算電流Kx 取 ，Cosφ = Ijs = KxPe/(UeCosφ) = () = ii)選擇導線按允許電壓降：S = KxΣ(PL)/C△U = () = 選擇VV350+225，空氣明敷時其安全載流量為141A。iii)選擇電氣設備選擇開關箱內(nèi)開關為DZ520/3，其脫扣器整定電流值為Ir = 16A。(8)鋼筋調(diào)直切斷機_GT6/14開關箱至鋼筋調(diào)直切斷機_GT6/14導線截面及開關箱內(nèi)電氣設備選擇i)計算電流Kx 取 ，Cosφ = Ijs = KxPe/(UeCosφ) = () = ii)選擇導線按允許電壓降：S = KxΣ(PL)/C△U = () = 選擇VV310+26，空氣