施工临时用电负荷计算剖析

1、施工设备型号改变(功率改变)另计拟投入本项目的主要施工设备表序号设备名称型号规格数量额定功率(kw)合计用于施工部位1潜水泵JQB15-6802.2基坑降水2塔吊TC50131240.1垂直运输3塔吊TC56135504施工电梯Sc200/2001738垂直运输5物料提升机SZ150-1310垂直运输6混凝土输送泵HTB-8010112地下室砼浇筑7打夯机HZD250144基坑回填8对焊机GQH3210100钢筋焊接9钢筋调直机GT6-14102.5钢筋调直10钢筋弯曲机町40-1103钢筋弯曲11钢筋切断机QJ40A104钢筋切断12直螺纹套丝机GYL-4054钢筋套丝13木工机械10套15

2、模板制作14交流电焊机BX2-50075015交流电焊机BX2-30073016插入振动器Zx-50211.1砼振捣17平板振动器PZ-5041.5砼振捣18砂浆搅拌机CL200173二次结构19电动套丝机1/2-4''72.8安装20滚槽机TWG-II70.75安装21切管机TWQ-II70.75安装22开孔机TWK-III70.55安装23台钻ZQ411670.37安装24高压水泵1718.525砂轮切割机40070.25安装类别名称单机功率数量砼搅拌设备类HTB-80混凝土输送泵112KW10PZ-50平板振动器1.5KW4Zx-50插入式振动棒1.1KW21钢筋加工设备

3、组町40-1钢筋弯曲机3KW10QJ40A钢筋切断机4KW10GT6-14钢筋调直机2.5KW10GYL-40直螺纹套丝机4KW5GQH32对焊机100KVA10砂浆搅拌组CL200砂浆搅拌机3.0KW10起重设备类QTZ63塔吊40.1KW17Sc200/200施工电梯38KW17SZ150-1物料提升机10KW3安装加工设备类%4电动套丝机2.8KW7TWG-II滚槽机0.75KW7TWQ-II切管机0.75KW7TWK-III开孔机0.55KW7ZQ4116台钻0.37KW70400砂轮切割机0.25KW7木加工机具MJ104圆盘锯等15KW10交流焊机类BX2-500交流电焊机50KV

4、A7BX2-300交流电焊机30KVA7其它类HZD250打夯机4KW14JQB15-6潜水泵2.2KW80高压水泵18.5KW17场内照明用电镝灯3.5KW18典钨灯1KW20其他10KW施工设备型号改变（功率改变）另计根据用电设备的性质及平面布置方式，3.2 负荷计算:3.2.1 砼搅拌设备类此类设备由于工程工序所需，16台混凝土输送泵，平板振动器及插入式振动器按同时使用考虑。3.2.1.1 HTB-80混凝土输送泵单机功率112KW共计10台查表可得K=0.8cos屮=0.8tg0=0.75XPjS二Kx.Pe=112X0.8=89.6KWQjS二PjS.tg0=89.6X0.75=67

5、.2KvarIjS=Pjs/V3.Ue.cos屮=170.2A3.2.1.2 PZ-50平板振动器单机功率1.5KW共计4台查表可得K=0.8cos屮=0.8tg0=0.75XPjS=Kx.Pe=0.8X1.5=1.2KWQjs=Pjs.tg0=1.2X0.75=0.9KvarIjs=Pjs/V3.Ue.cos申=2.3A3.2.1.3 Zx-50插入式振动器单机功率1.1KW共计21台查表可得K=0.8cos屮=0.8tg0=0.75XPjs=Kx.Pe=0.8X1.1=0.88KWQjs=Pjs.tg0=0.88X0.75=0.66KvarIjs=Pjs/V3.Ue.cos申=1.7A3.

6、2.1.4砼搅拌设备类技术参数合计：Pjs=89.6X10+1.2X4+0.88X21=919.28KWQjs=67.2X10+0.9X4+0.66X21=689.46KvarIjS=Sjs/V3.Ue=1149.1/1.732X0.38=1745.93A3.2.2 钢筋加工类3.2.2.1钢筋弯曲机单机功率Pe=3KW共计10台查表可得K=0.7cos屮=0.7tg0=1.02XPjs二Kx.Pe=0.7X3=2.1KWQjs二Pjs.tgB=2.1X1.02=2.14KvarIjs=Pjs/V3.Ue.cos申=4.56A3.2.2.2钢筋切断机单机功率Pe=4KW共计10台查表可得K=0

7、.7cos屮=0.7tg0=1.02XPjs=Kx.Pe=0.7X4=2.8KWQjs=Pjs.tgB=2.8X1.02=2.86KvarIjs=Pjs/V3.Ue.cos申=6.07A3.2.2.3钢筋调直机单机容量Pe=2.5KW共计10台查表可得K=0.7cos屮=0.7tg0=1.02XPjs=Kx.Pe=0.7X2.5=1.75KWQjs=Pjs.tg0=1.75X1.02=1.79KvarIjs=Pjs/V3.Ue.cos申=3.80A3.2.2.4 直螺纹套丝机单机功率4KW共计5台查表可得K=0.7cos屮=0.7tg0=1.02XPjs=Kx.Pe=0.7X4=2.8KWQj

8、s=Pjs.tgB=2.8X1.02=2.86KvarIjs=Pjs/V3.Ue.cos申=6.07A3.2.2.5 对焊机单机容量Sr=100KVA共计10台查表可得Kx=0.5cos屮=0.5tg0=1.73Jc=0.65Pe=SrVJccos屮=100XV0.65X0.5=40.3KWPjs=Kx*Pe=40.3X0.5=20.15KWQjs=PjsXtg0=20.15X1.73=34.86KvarIjs=Pjs/V3Uecos屮=20.15/V3X0.38X0.5=61.23A3.2.2.6钢筋加工设备组技术参数合计：Pjs=2.1*10+10*2.8+1.75*10+2.8*5+20

9、.15*10=282KWQjs=2.14*10+2.86*10+1.79*10+2.86*5+34.86*10=431.2Kvar3.2.3 砂浆搅拌组3.2.3.1 CL200砂浆搅拌机单机功率3.0KW共计10台查表可得K=0.7cos屮=0.82tg0=0.7XPjs二Kx.Pe=0.7X3.0=2.1KWQjs二Pjs.tg0=2.1X0.7=1.47Kvar3.2.3.2砂浆搅拌组技术参数合计：Pjs=2.1*10=21KWQjs=1.47*10=14.7Kvar3.2.4 起重设备类3.2.4.1 QTZ63塔吊单机功率40.1KW共计12台查表可得K=0.3cos屮=0.7tg0

10、=1.02Jc=0.15XPe=2PezVJc=2X40.1XV0.15=31.06KWPjs=Kx*Pe=31.06X0.3=9.32KWQjs=PjsXtg0=9.32X1.02=9.51Kvar3.2.4.2 QTZ63塔吊单机功率50KW共计5台查表可得K=0.3cos屮=0.7tg0=1.02Jc=0.15XPe=2PezVJc=2X50XV0.15=38.73KWPjs=Kx*Pe=38.73X0.3=11.62KWQjs=PjsXtg0=11.62X1.02=11.85Kvar3.2.4.3 Sc200/200施工电梯单机功率38KW共计17台查表可得K=0.3cos屮=0.7t

11、g0=1.02XPjs=Kx*Pe=38X0.3=11.4KWQjs=PjsXtgB=11.4X1.02=11.63Kvar3.2.4.3 SZ150-1物料提升机单机功率10KW共计3台查表可得K=0.3cos屮=0.7tg0=1.02XPjs=Kx*Pe=10X0.3=3KWQjs=PjsXtgB=3X1.02=3.06Kvar3.2.4.4起重设备类技术参数合计：Pjs=9.32*12+11.62X5+17*11.4+3*3=372.74KWQjs=9.51*12+11.85X5+17*11.63+3.06*3=380.26KvarIjs=20.23*22+16*24.73+6.51*3

12、=860.27A3.2.5 安装加工设备类3.2.5.1 %4电动套丝机单机功率2.8KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=2.8X0.75=2.1KWQjs二PjsXtgB=2.1X0.88=1.85KvarIjs=Pjs/V3Uecos屮=2.1/V3X0.38X0.75=4.25A3.2.5.2 TWG-II滚槽机单机功率0.75KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=0.75X0.75=0.56KWQjs=PjsXtg0=0.56X0.88=0.49KvarIjs=Pjs/V3Uecos屮=0

13、.56/V3X0.38X0.75=1.13A3.2.5.3 TWQ-II切管机单机功率0.75KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=0.75X0.75=0.56KWQjs=PjsXtg0=0.56X0.88=0.49KvarIjs=Pjs/V3Uecos屮=0.56/V3X0.38X0.75=1.13A3.2.5.4 TWK-III开孔机单机功率0.55KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=0.55X0.75=0.41KWQjs=PjsXtg0=0.41X0.88=0.36KvarIjs=Pjs/V

14、3Uecos屮=0.41/V3X0.38X0.75=0.83A3.2.5.5 ZQ4116台钻单机功率0.37KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=0.37X0.75=0.28KWQjs=PjsXtgB=0.28X0.88=0.25KvarIjs=Pjs/V3Uecos屮=0.28/V3X0.38X0.75=0.57A3.2.5.6 0400砂轮切割机单机功率0.25KW共计6台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=0.25X0.75=0.19KWQjs=PjsXtgB=0.19X0.88=0.17KvarIj

15、s=Pjs/V3Uecos屮=0.19/V3X0.38X0.75=0.38A3.2.5.7安装加工类技术参数合计：Pjs=(2.1+0.56+0.56+0.41+0.28+0.19)*7=28.7KWQjs=(1.85+0.49+0.49+0.36+0.25+0.17)*7=25.27KvarIjs=(4.25+1.13+1.13+0.83+0.57+0.38)*6=49.74A3.2.6 木加工机具类3.2.6.1 MJ104圆盘锯等单机功率15KW共计10台查表可得K=0.7cos屮=0.75tg0=0.88XPjs=Kx*Pe=15X0.75=11.25KWQjs二PjsXtgB=11.

16、25X0.88=9.9KvarIjs=Pjs/V3Uecos屮=11.25/73X0.38X0.75=17.1A3.2.6.2木加工机具类技术参数合计：Pjs=11.25*10=112.5KWQjs=9.9*10=99KvarIjs=17.1*12=205.2A3.2.7 交流焊机类3.2.7.1 BX2-500交流电焊机单机容量50KVA共计7台查表可得Kx=0.5cos屮=0.5tg0=1.73Jc=0.65Pe=Sr7Jccos申=50X70.65X0.5=20.16KWPjs=Kx*Pe=20.16X0.5=10.08KWQjs=PjsXtg0=10.08X1.73=17.44Kvar

17、Ijs二Pjs/73Uecos屮=10.08/73X0.38X0.5二30.64A3.2.7.2 BX2-300交流电焊机单机容量30KVA共计7台查表可得Kx=0.5cos屮=0.5tg0=1.73Jc=0.65Pe=Sr7Jccos屮=30X70.65X0.5=12.09KWPjs=Kx*Pe=12.09X0.5=6.05KWQjs=PjsXtg0=6.05X1.73=10.47KvarIjs=Pjs/73Uecos屮=6.05/73X0.38X0.5=18.39A3.2.7.3交流电焊机类技术参数合计：Pjs=(10.08+6.05)*7=112.91KWQjs=(17.44+10.47

18、)*7=195.37KvarIjs=(30.64+18.39)*6=294.18A3.2.8 其他类单机功率4KW共计14台3.2.8.1 HZD250打夯机查表可得K=0.55cos屮=0.8tg0=0.75XPjs=Kx*Pe=0.55X4=2.2KWQjs二PjsXtgB=2.2X0.75=1.65KvarIjs=Pjs/V3Uecos屮=2.2/V3X0.38X0.8=4.18A3.2.8.2 JQB15-6潜水泵单机功率2.2KW共计80台查表可得K=0.55cos屮=0.8tg0=0.75XPjs=Kx*Pe=0.55X2.2=1.21KWQjs=PjsXtgB=1.21X0.75

19、=0.91KvarIjs=Pjs/V3Uecos屮=1.21/V3X0.38X0.8=2.30A3.2.8.3 高压水泵单机功率18.5KW共计17台查表可得K=0.55cos屮=0.8tg0=0.75XPjs=Kx*Pe=0.55X18.5=10.18KWQjs=PjsXtgB=10.18X0.75=7.64KvarIjs=Pjs/V3Uecos屮=10.18/V3X0.38X0.8=19.33A3.2.8.4其他类技术参数合计：Pjs=2.2*14+1.21*80+10.18*17=300.66KWQjs=1.65*14+0.91*80+7.64*17=255.78KvarIjs=4.18*10+2.30*40+19.33*16=443.08A3.2.9照明组：3.2.9.1 镝灯单机功率3.5KW共计18台查表可得K=1.0cos屮=1.0tg0=0XPjs=Kx*Pe=1.0X3.5=3.5KWQjs=PjsXtgB=3.5X0=0KvarIjs=Pjs/V3Uecos申