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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XJGJ46-20052、低压配电设计规XGB50054-20113、建筑工程施工现场供电安全规XGB50194-20144、通用用电设备配电设计规XGB50055-20115、供配电系统设计规XGB50052-20096、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数量合计功率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TC6010-851.3151.37交流电焊机BX3
2、-12Q-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碘铝灯211113塔式起重机TC6010-851.3151.314套丝切管机TQ-311115电动液压弯管机WYQ1.111.116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振动打拔班机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碘铝灯211125荧光灯0.210.22、供电系统设置总配电
3、箱1号干线1号动力分箱塔式起重机开关箱塔式起重机2号动力分箱钢筋调宜机开关箱钢筋切断机开关箱钢筋调宜机钢筋切断机钢筋弯曲机开关箱钢筋弯曲机1号照明分箱高压汞灯开关箱高压汞灯2号干线3号动力分箱塔式起重机开关箱塔式起重机4号动力分箱交流电焊机开关箱交流电焊机对焊机开关箱对焊机插入式振动器开关箱平板式振动器开关箱插入式振动器平板式振动器2号照明分箱高压汞灯开关箱高压汞灯碘鸽灯2开关箱碘铝灯23号干线5号动力分箱塔式起重机开关箱塔式起重机6号动力分箱套丝切管机开关箱电动液压弯管机开关箱套丝切管机电动液压弯管机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号干线7号动
4、力分箱蛙式夯土机开关箱蛙式夯土机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8号照明分箱高压汞灯开关箱碘铝灯2开关箱高压汞灯碘鹤灯2荧光灯开关箱荧光灯二、设计内容和步骤1、现场勘探与初步设计:本工程所在施工现场X围内施工前无各种埋地管线.v2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.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.布置位置与线路走向参见临时配电系统图与现场平面图,采用三级配电,三级防护.v4按照JGJ
5、46-2005规定制定施工组织设计,接地电阻R4C.2、确定用电负荷:塔式起重机K=0.7,Cos=0.65,tg=1.17将(=40%统一换算到4=25%的额定容量Pn=51.3kWPe=n2Pn=i51.3=64.89kWPjs=KPe=0.764.89=45.42kWQjS=PjStg=45.421.17=53.11kvar钢筋调直机K=0.65,Cos=0.7,tg=1.02P.=0.6511=7.15kWJSQk=pktg=7.151.02=7.29kvar钢筋切断机K=0.65,Cos=0.7,tg=1.02Pi=0.657=4.55kWJSQjs=Pjstg=4.551.02=4
6、.64kvar,钢筋弯曲机KX=O.65,CoS=0.7,tg=1.02Pi=0.653=1.95kWQjS=PjStg=1.95I.02=1.99kvar高压汞灯K=0.6,Cos=0.7,tg=1.02Pi=0.631.1=1.98kWQjS=岸Stg=1.981.02=2.02kvarv6、塔式起重机K=0.7,Cos=0.65,tg(p=1.17将4=40%统一换算至IJJC1=25%的额定容量Pn=51.3kWPe=2Pn=i51.3=64.89kWPjs=KPe=0.764.89=45.42kWQjS=PStg=45.421.17=53.Hkvar交流电焊机KX=O.5,COS=0
7、.4,tg=2.29将4=50%统一换算到JC1=IO0%的额定容量Pn=SnCos=90.4=3.6kWPe=nPn=1位3,6=2,55kWPjS=KXXPe=5x255=127kWQjS=PjStg=1.272.29=2.92kvar对焊机K=0.35,Cos=0.6,tg=1.33将4=20%统一换算至IJJCI=IO0%的额定容量Pn=25kWPe=XVJJJCIXPn=I1/225=11.18kWPjs=KPe=0.3511.18=3.91kWQjS=PjStg=3.911.33=5.22kvar、插入式振动器K=0.3,Cos=0.7,tg=1.02Pi=0.31.1=0.33k
8、WQjs=Pjstg=0.33I.02=0.34kvarv10、平板式振动器K=0.3,Cos=0.7,tg=1.02Pi=0.30.5=0.15kWQ.s=P.stg=O,151.02=0.15kvar高压汞灯K=0.6,Cos=0.7,tg=1.02Pi=0.631.1=1.98kWQjS=PjStg=1.981.02=2.02kvar碘锌灯2K=0.3,Cos=0.7,tg=1.02Pi=0.311=0.3kWQjS=PjStg=0.31.02=0.31kvar塔式起重机KX=O.7,COS(P=O.65,tg=1.17将包=40%统一换算到1=25%的额定容量Pn=51.3kWPe=n
9、2Pn=1xv0.402551.3=64.89kWPjs=KPe=0.764.89=45.42kWQ.s=P,sxtg(p=45.42x1.17=53.I1kvar套丝切管机K=0.3,Cos=0.6,tg=1.33Pi=0.31=0.3kWJSQjs=Pjstg=0.31.33=0.4kvar,电动液压弯管机KX=O.3,COS=0.6,tg=1.33Pjs=0.31.1=0.33kWQjS=PjStg=0.331.33=0.44kvar木工圆锯机KX=O.25,CoS=O.55,tg=1.52Pi=0.25x4=1kWQjs=Pjstg=11.52=1.52kvar,电动抹光机K=0.1,
10、Cos=0.45,tg=1.98P.=0.11.5=0.15kWJSQjs=Pstg(p=O.151.98=O.3kvar木工圆锯机K=0.25,Cos=0.55,tg=1.52Pi=0.254=1kWJSQjS=4Stg=1X1.52=1.52kvar蛙式夯土机KX=O.75,CoS=0.8,tg=0.75Pi=0.751.5=1.125kWQjs=Pjstg=1.120.75=0.84kvar,振动打拔桩机K=0.3,Cos=0.7,tg=1.02Pi=0.330=9kWQjs=Pjstg=91.02=9.18kvar,液压步履全螺旋钻机KX=O.75,CoS=0.8,tg=0.75Pjs
11、=0.7522=16.5kWQjS=PjSXtg(P=16.5x0.75=12.37kvar,地面磨光机KX=O.1,COS(P=O.45,tg=1.98Pi=0.10.4=0.04kWQjs=Pjstg=0.04I.98=0.08kvar高压汞灯K=0.6,Cos=0.7,tg=1.02Pi=0.631,1=1.98kWQjs=Pjstg=1.981.02=2.02kvar、碘鸨灯2K=0.3,Cos=0.7,tg=1.02Pk=0.311=0.3kWQjs=Pjstg(p=0.31.02=0.31kvar,荧光灯K=0.2,Cos=0.8,tg=0.75Pk=O.2021.2=0.048kWQjS=PjStg=0.050.75=0.04kvarv26总的计算负荷计算,总箱同期系数取KX=O.95总的有功功率PIC=KYPk=0.95=182.037kW总的无功功率QjS=KXQjs=0.95=204.467kvar总的视在功率Sic=i2=2=273.759kVAJSJSJS总的计算电流计算1js=Sjs=273.759=415.946A3、1号干线线路上导线截面与分配箱、开关箱内电气设备选择:在选择前应对照平面图