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1、施工临时用电方案计算书浦江苑二期东方城市广场工程;属于框剪结构;地上34层;地下2层;建筑高度:150.00m;标准层层高:3.60m ;总建筑面积:122500.00平方米;总工期:0天;施工单位:龙信建设集团有限公司。本工程由沈阳新洲实业股份有限公司 投资建设,新大陆建筑设计有限公司设计,中冶沈勘地质勘察,北京华建恒工程建设监理有限公司监理,龙信建设集团有限公司组织施工;由黄雪裕担任项目经理,陈锦华担任技术负责人。一、编制依据低压配电设计规范GB50054-95中国建筑工业出版社建筑工程施工现场供电安全规范GB50194-93中国建筑工业出版社通用用电设备配电设计规范GB50055-93中
2、国建筑工业出版社供配电系统设计规范GB50052-95中国建筑工业出版社施工现场临时用电安全技术规范JGJ46-2005中国建筑工业出版社二、施工条件施工现场用电量统计表:-序号 机具名称 型号 安装功率(kW) 数量 合计功率(kW)1 施工电梯 SCD200/200A 22.00 1 22.00 2 塔式起重机 QTZ80 55.50 1 55.50 3 木压刨板机 MB1043 3.00 1 3.00 4 木工圆锯 MJ104 3.00 1 3.00 5 钢筋调直机 GT4/14 4.00 1 4.00 6 钢筋弯曲机 GW40 3.00 1 3.00 7 交流电焊机 BX3-120-1
3、 9.00 4 36.00 8 混凝土搅拌机 JD150 5.50 1 5.50 9 插入式振动器 ZX50 1.10 4 4.40 10 塔式起重机 QTZ120 85.00 1 85.00 11 施工电梯 SCD200/200A 22.00 1 22.00 12 混凝土搅拌机 JD150 5.50 1 5.50 13 插入式振动器 ZX50 1.10 4 4.40 14 钢筋调直机 GT4/14 4.00 1 4.00 15 钢筋切断机 QJ40 7.00 1 7.00 16 钢筋弯曲机 WJ40 3.00 1 3.00 17 木工圆锯 MJ106 5.50 1 5.50 18 木工电刨
4、MIB2-80/1 0.70 1 0.70 19 交流电焊机 BX3-120-1 9.00 4 36.00 20 塔式起重机 MC110A 50.00 1 50.00 21 施工电梯 SCD200/200A 22.00 1 22.00 22 钢筋调直机 GT4/14 4.00 1 4.00 23 钢筋切断机 QJ40 7.00 1 7.00 24 木工电刨 MIB2-80/1 0.70 1 0.70 25 木工圆锯 MJ106 5.50 1 5.50 26 交流电焊机 BX3-120-1 9.00 4 36.00 27 混凝土搅拌机 JD150 5.50 1 5.50 28 插入式振动器 ZX
5、50 1.10 4 4.40 -三、设计内容和步骤1、现场勘探及初步设计:(1)本工程所在施工现场范围内无各种埋地管线。(2)现场采用380V低压供电,设一配电总箱,内有计量设备,采用TN-S系统供电。(3)根据施工现场用电设备布置情况,采用导线穿钢管埋地敷设,布置位置及线路走向参见临时配电系统图及现场平面图,采用三级配电,两极防护。(4)按照JGJ46-2005规定制定施工组织设计,接地电阻R4。2、确定用电负荷:(1)、建筑施工外用电梯Kx = 0.80 Cos = 0.60 tg = 1.33Pjs = 0.8022.00 = 17.60 kWQjs = Pjs tg=17.601.33
6、 = 23.47 kvar(2)、塔式起重机Kx = 0.80 Cos = 0.60 tg = 1.33Pjs = 0.8055.50 = 44.40 kWQjs = Pjs tg=44.401.33 = 59.20 kvar(3)、木压刨板机Kx = 0.70 Cos = 0.60 tg = 1.33Pjs = 0.703.00 = 2.10 kWQjs = Pjs tg=2.101.33 = 2.80 kvar(4)、木工圆锯Kx = 0.70 Cos = 0.60 tg = 1.33Pjs = 0.703.00 = 2.10 kWQjs = Pjs tg=2.101.33 = 2.80
7、kvar(5)、钢筋调直机Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.704.00 = 2.80 kWQjs = Pjs tg=2.801.02 = 2.86 kvar(6)、钢筋弯曲机Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.703.00 = 2.10 kWQjs = Pjs tg=2.101.02 = 2.14 kvar(7)、交流电焊机Kx = 0.35 Cos = 0.40 tg = 2.29将Jc =50%统一换算到Jc1 =100%的额定容量Pn = Sn Cos = 9.000.40=3.60kWPe = n(Jc
8、/Jc1)1/2Pn = 4(0.50/1.00)1/23.60 = 10.18 kWPjs = KxPe =0.3510.18 = 3.56kWQjs = Pjs tg=3.562.29 = 8.17 kvar(8)、自落式混凝土搅拌机Kx = 0.70 Cos = 0.85 tg = 0.62Pjs = 0.705.50 = 3.85 kWQjs = Pjs tg=3.850.62 = 2.39 kvar(9)、插入式振动器Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.704.40 = 3.08 kWQjs = Pjs tg=3.081.02 = 3.14 k
9、var(10)、塔式起重机Kx = 0.75 Cos = 0.60 tg = 1.33Pjs = 0.7585.00 = 63.75 kWQjs = Pjs tg=63.751.33 = 85.00 kvar(11)、建筑施工外用电梯Kx = 0.80 Cos = 0.60 tg = 1.33Pjs = 0.8022.00 = 17.60 kWQjs = Pjs tg=17.601.33 = 23.47 kvar(12)、自落式混凝土搅拌机Kx = 0.70 Cos = 0.85 tg = 0.62Pjs = 0.705.50 = 3.85 kWQjs = Pjs tg=3.850.62 =
10、2.39 kvar(13)、插入式振动器Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.704.40 = 3.08 kWQjs = Pjs tg=3.081.02 = 3.14 kvar(14)、钢筋调直机Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.704.00 = 2.80 kWQjs = Pjs tg=2.801.02 = 2.86 kvar(15)、钢筋切断机Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.707.00 = 4.90 kWQjs = Pjs tg=4.901.02 = 5.00 kva
11、r(16)、钢筋弯曲机Kx = 0.70 Cos = 0.70 tg = 1.02Pjs = 0.703.00 = 2.10 kWQjs = Pjs tg=2.101.02 = 2.14 kvar(17)、木工圆锯Kx = 0.70 Cos = 0.60 tg = 1.33Pjs = 0.705.50 = 3.85 kWQjs = Pjs tg=3.851.33 = 5.13 kvar(18)、木工电刨Kx = 0.70 Cos = 0.60 tg = 1.33Pjs = 0.700.70 = 0.49 kWQjs = Pjs tg=0.491.33 = 0.65 kvar(19)、交流电焊机Kx = 0.35 Cos = 0.40 tg = 2.29将Jc =50%统一换算到Jc1 =100%的额定容量Pn = Sn Cos = 9.000.40=3.60kWPe = n(Jc/Jc1)1/2Pn = 4(0.50/1.00)1/23.60 = 10.18 kWPjs = KxPe =0.3510.18 = 3.56kWQjs = Pjs tg=3.562.29 = 8.17 kv