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1、施工现场临时用电组织设计计算依据：1、施工现场临时用电安全技术规范JGJ46-20052、低压配电设计规范GB50054-20113、建筑工程施工现场供电安全规范GB50194-20144、通用用电设备配电设计规范GB50055-20115、供配电系统设计规范GB50052-20096、建筑施工安全检查标准JGJ59-2011一、施工条件1、施工机具序号机具名称型号安装功率 (kW)数量合计功率 (kW)1塔式起重机TC6010-851.3151.32钢筋调直机GT6/14111113钢筋切断机QJ407174钢筋弯曲机GW403135高压汞灯3136塔式起重机TC6010-851.3151.
2、37交流电焊机BX3-120-19198对焊机UN-25251259插入式振动器ZX50C1.111.110平板式振动器ZB50.510.511高压汞灯31312碘钨灯 211113塔式起重机TC6010-851.3151.314套丝切管机TQ-311115电动液压弯管WYQ1.111.1机16木工圆锯机MJ105A41417电动抹光机800型1.511.518木工圆锯机MJ105A41419蛙式夯土机HW301.511.520振动打拔桩机DZ30Y30130液压步履全螺21旋钻机BQZ2212222地面磨光机DM-600.410.423高压汞灯31324碘钨灯 211125荧光灯0.210.
3、22、供电系统设置1号动力分箱塔式起重机开关箱塔式起重机钢筋调直机开关箱钢筋调直机1号干线号动力分箱钢筋切断机开关箱钢筋切断机钢筋弯曲机开关箱钢筋弯曲机号照明分箱高压汞灯开关箱高压汞灯号动力分箱塔式起重机开关箱塔式起重机交流电焊机开关箱交流电焊机对焊机开关箱对焊机号动力分箱2号干线插入式振动器开关箱插入式振动器平板式振动器开关箱平板式振动器总配电箱高压汞灯开关箱高压汞灯号照明分箱碘钨灯 2开关箱碘钨灯 2号动力分箱塔式起重机开关箱塔式起重机套丝切管机开关箱套丝切管机电动液压弯管机开关箱电动液压弯管机3号干线号动力分箱木工圆锯机开关箱木工圆锯机电动抹光机开关箱电动抹光机木工圆锯机开关箱木工圆锯机
4、蛙式夯土机开关箱蛙式夯土机4号干线7号动力分箱振动打拔桩机开关箱振动打拔桩机液压步履全螺旋钻机开关箱液压步履全螺旋钻机地面磨光机开关箱地面磨光机高压汞灯开关箱高压汞灯8号照明分箱碘钨灯 2开关箱碘钨灯 2荧光灯开关箱荧光灯二、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施工前无各种埋地管线。(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，总箱进线采用导线空气明敷 /架空线路敷设，干线采用空气明敷 /架空线路敷设，用电器导线采用空气明敷 /架空线路敷设。布置位置及线路走向参见临时配电系统图及现场平
5、面图， 采用三级配电， 三级防护。(4)按照 JGJ46-2005规定制定施工组织设计，接地电阻R 4。2、确定用电负荷 :(1)、塔式起重机Kx=0.7，Cos =0.65，tg =1.17将Jc=40%统一换算到 Jc1 =25%的额定容量Pn=51.3kWPe=n(Jc/Jc1)1/2Pn =1 (0.4/0.25)1/251.3=64.89 kWPjs=K xPe=0.7 64.89=45.42kWQjs=Pjs tg 1.11kvar(2)、钢筋调直机Kx=0.65， Cos =0.7，tg =1.02Pjs=0.65 11=7.15kWQjs=Pjs tg =7.15 1.02=7
6、.29kvar(3)、钢筋切断机Kx=0.65， Cos =0.7，tg =1.02Pjs=0.65 7=4.55kWQjs=Pjs tg =4.55 1.02=4.64kvar(4)、钢筋弯曲机Kx=0.65， Cos =0.7，tg =1.02Pjs=0.65 3=1.95kWQjs=Pjs tg =1.95 1.02=1.99kvar(5)、高压汞灯Kx=0.6，Cos =0.7，tg =1.02Pjs=0.6 31.1=1.98kWQjs=Pjs tg =1.98 1.02=2.02kvar(6)、塔式起重机Kx=0.7，Cos =0.65，tg =1.17将Jc=40%统一换算到 J
7、c1 =25%的额定容量Pn=51.3kWPe=n(Jc/Jc1)1/2Pn =1 (0.4/0.25)1/251.3=64.89 kWPjs=K xPe=0.7 64.89=45.42kWQjs=Pjs tg =45.42 1.17=53.11kvar(7)、交流电焊机Kx=0.5，Cos =0.4，tg =2.29将Jc=50%统一换算到 Jc1 =100%的额定容量Pn=Sn Cos =9 0.4=3.6kWPe=n(Jc/Jc1)1/2Pn =1 (0.5/1)1/23.6=2.55 kWPjs=K xPe=0.5 2.55=1.27kWQjs=Pjs tg =1.27 2.29=2.
8、92kvar(8)、对焊机Kx=0.35， Cos =0.6，tg =1.33将Jc=20%统一换算到 Jc1 =100%的额定容量Pn=25kWPe=n(Jc/Jc1)1/2Pn =1 (0.2/1)1/225=11.18 kWPjs=K xPe=0.35 11.18=3.91kWQjs=Pjs tg =3.91 1.33=5.22kvar(9)、插入式振动器Kx=0.3，Cos =0.7，tg =1.02Pjs=0.3 1.1=0.33kWQjs=Pjs tg =0.33 1.02=0.34kvar(10)、平板式振动器Kx=0.3，Cos =0.7，tg =1.02Pjs=0.3 0.5
9、=0.15kWQjs=Pjs tg =0.15 1.02=0.15kvar(11)、高压汞灯Kx=0.6，Cos =0.7，tg =1.02Pjs=0.6 31.1=1.98kWQjs=Pjs tg =1.98 1.02=2.02kvar(12)、碘钨灯 2Kx=0.3，Cos =0.7，tg =1.02Pjs=0.3 11=0.3kWQjs=Pjs tg =0.3 1.02=0.31kvar(13)、塔式起重机Kx=0.7，Cos =0.65，tg =1.17将Jc=40%统一换算到 Jc1 =25%的额定容量Pn=51.3kWPe=n(Jc/Jc1)1/2Pn =1 (0.4/0.25)1
10、/251.3=64.89 kWPjs=K xPe=0.7 64.89=45.42kWQjs=Pjs tg =45.42 1.17=53.11kvar(14)、套丝切管机Kx=0.3，Cos =0.6，tg =1.33Pjs=0.3 1=0.3kWQjs=Pjs tg =0.3 1.33=0.4kvar(15)、电动液压弯管机Kx=0.3，Cos =0.6，tg =1.33Pjs=0.3 1.1=0.33kWQjs=Pjs tg =0.33 1.33=0.44kvar(16)、木工圆锯机Kx=0.25， Cos =0.55， tg =1.52Pjs=0.25 4=1kWQjs=Pjs tg =1
11、 1.52=1.52kvar(17)、电动抹光机Kx=0.1，Cos =0.45，tg =1.98Pjs=0.1 1.5=0.15kWQjs=Pjstg =0.15 1.98=0.3kvar(18)、木工圆锯机Kx=0.25， Cos =0.55， tg =1.52Pjs=0.25 4=1kWQjs=Pjs tg =1 1.52=1.52kvar(19)、蛙式夯土机Kx=0.75， Cos =0.8，tg =0.75Pjs=0.75 1.5=1.125kWQjs=Pjs tg =1.12 0.75=0.84kvar(20)、振动打拔桩机Kx=0.3，Cos=0.7，tg =1.02Pjs=0.3 30=9kWQjs=Pjs tg =9 1.02=9.18kvar(21)、液压步履全螺旋钻机Kx=0.75， Cos =0.8，tg =0.75Pjs=0.75 22=16.5kWQjs=Pjs tg =16.5 0.75=12.37kvar(22)、地面磨光机Kx=0.1，C
