施工临时用电方案计算书镇山小区安置房二期工程;工程建设地点:镇山北路;属于框架结构;地上六层;;建筑高度:19.08m;标准层层高:2.9m;总建筑面积:95070.9平方米;总工期:200天。本工程由金港镇政府投资建设,张家港建筑设计研究院设计,地质勘察,江苏华通监理,江苏金厦建设集团组织施工;由钱进担任项目经理,王雷担任技术负责人。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《建筑施工安全检查标准》JGJ59-99二、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塔式起重机QT40(TQ2-6)351352强制式混凝土搅拌机JW500231233钢筋切断机QJ40-12.212.24钢筋弯曲机GW402.212.25直流电焊机AX-320(AT-320)16.5116.56插入式振动器ZX701.534.57木工圆锯MJ1066168真空吸水泵HZX-402.212.29塔式起重机QT40(TQ2-6)3513510强制式混凝土搅拌机JW5002312311钢筋切断机QJ40-12.212.212钢筋弯曲机GW402.212.213直流电焊机AX-320(AT-320)16.5116.514木工圆锯MJ106631815插入式振动器ZX701.511.516真空吸水泵HZX-402.212.217高压汞灯341218荧光灯0.210219塔式起重机QT40(TQ2-6)3513520强制式混凝土搅拌机JW5002312321钢筋切断机QJ32-12.212.222钢筋弯曲机GW402.212.223插入式振动器ZX701.534.524直流电焊机AX-320(AT-320)16.5116.525木工圆锯MJ10661626真空吸水泵HZX-402.212.227塔式起重机QT40(TQ2-6)3513528强制式混凝土搅拌机JW5002312329钢筋切断机QJ32-12.212.230钢筋弯曲机GW402.212.231插入式振动器ZX701.534.532木工圆锯MJ10661633直流电焊机AX-320(AT-320)16.5116.534真空吸水泵HZX-402.212.235高压汞灯341236荧光灯0.210237塔式起重机QT40(TQ2-6)3513538强制式混凝土搅拌机JW5002312339钢筋切断机QJ40-12.212.240钢筋弯曲机GW402.212.241直流电焊机AX-320(AT-320)16.5116.542插入式振动器ZX701.534.543木工圆锯MJ10661644真空吸水泵HZX-402.212.245塔式起重机QT40(TQ2-6)3513546强制式混凝土搅拌机JW5002312347插入式振动器ZX701.534.548钢筋切断机QJ40-12.212.249钢筋弯曲机GW402.212.250直流电焊机AX-320(AT-320)16.5116.551木工圆锯MJ10661652真空吸水泵HZX-402.212.253高压汞灯341254荧光灯0.2102----------------------------------------------------------------------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≤4Ω。2、确定用电负荷:(1)、塔式起重机Kx=0.85,Cosφ=0.6,tgφ=1.33将Jc=40%统一换算到Jc1=25%的额定容量Pn=35kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.4/0.25)1/2×35=44.27kWPjs=Kx×Pe=0.85×44.27=37.63kWQjs=Pjs×tgφ=37.63×1.33=50.17kvar(2)、强制式混凝土搅拌机Kx=0.75,Cosφ=0.85,tgφ=0.62Pjs=0.75×23=17.25kWQjs=Pjs×tgφ=17.25×0.62=10.69kvar(3)、钢筋切断机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(4)、钢筋弯曲机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(5)、直流电焊机Kx=0.7,Cosφ=0.6,tgφ=1.33将Jc=50%统一换算到Jc1=100%的额定容量Pn=16.5kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.5/1)1/2×16.5=11.67kWPjs=Kx×Pe=0.7×11.67=8.17kWQjs=Pjs×tgφ=8.17×1.33=10.89kvar(6)、插入式振动器Kx=0.3,Cosφ=0.7,tgφ=1.02Pjs=0.3×4.5=1.35kWQjs=Pjs×tgφ=1.35×1.02=1.38kvar(7)、木工圆锯Kx=0.65,Cosφ=0.6,tgφ=1.33Pjs=0.65×6=3.9kWQjs=Pjs×tgφ=3.9×1.33=5.2kvar(8)、真空吸水泵Kx=0.75,Cosφ=0.8,tgφ=0.75Pjs=0.75×2.2=1.65kWQjs=Pjs×tgφ=1.65×0.75=1.24kvar(9)、塔式起重机Kx=0.85,Cosφ=0.6,tgφ=1.33将Jc=40%统一换算到Jc1=25%的额定容量Pn=35kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.4/0.25)1/2×35=44.27kWPjs=Kx×Pe=0.85×44.27=37.63kWQjs=Pjs×tgφ=37.63×1.33=50.17kvar(10)、强制式混凝土搅拌机Kx=0.75,Cosφ=0.85,tgφ=0.62Pjs=0.75×23=17.25kWQjs=Pjs×tgφ=17.25×0.62=10.69kvar(11)、钢筋切断机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(12)、钢筋弯曲机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(13)、直流电焊机Kx=0.7,Cosφ=0.6,tgφ=1.33将Jc=50%统一换算到Jc1=100%的额定容量Pn=16.5kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.5/1)1/2×16.5=11.67kWPjs=Kx×Pe=0.7×11.67=8.17kWQjs=Pjs×tgφ=8.17×1.33=10.89kvar(14)、木工圆锯Kx=0.65,Cosφ=0.6,tgφ=1.33Pjs=0.65×18=11.7kWQjs=Pjs×tgφ=11.7×1.33=15.6kvar(15)、插入式振动器Kx=0.3,Cosφ=0.7,tgφ=1.02Pjs=0.3×1.5=0.45kWQjs=Pjs×tgφ=0.45×1.02=0.46kvar(16)、真空吸水泵Kx=0.75,Cosφ=0.8,tgφ=0.75Pjs=0.75×2.2=1.65kWQjs=Pjs×tgφ=1.65×0.75=1.24kvar(17)、高压汞灯Kx=0.6,Cosφ=0.7,tgφ=1.02Pjs=0.6×12×1.1=7.92kWQjs=Pjs×tgφ=7.92×1.02=8.08kvar(18)、荧光灯Kx=0.2,Cosφ=0.8,tgφ=0.75Pjs=0.2×2×1.2=0.48kWQjs=Pjs×tgφ=0.48×0.75=0.36kvar(19)、塔式起重机Kx=0.85,Cosφ=0.6,tgφ=1.33将Jc=40%统一换算到Jc1=25%的额定容量Pn=35kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.4/0.25)1/2×35=44.27kWPjs=Kx×Pe=0.85×44.27=37.63kWQjs=Pjs×tgφ=37.63×1.33=50.17kvar(20)、强制式混凝土搅拌机Kx=0.75,Cosφ=0.85,tgφ=0.62Pjs=0.75×23=17.25kWQjs=Pjs×tgφ=17.25×0.62=10.69kvar(21)、钢筋切断机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(22)、钢筋弯曲机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(23)、插入式振动器Kx=0.3,Cosφ=0.7,tgφ=1.02Pjs=0.3×4.5=1.35kWQjs=Pjs×tgφ=1.35×1.02=1.38kvar(24)、直流电焊机Kx=0.7,Cosφ=0.6,tgφ=1.33将Jc=50%统一换算到Jc1=100%的额定容量Pn=16.5kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.5/1)1/2×16.5=11.67kWPjs=Kx×Pe=0.7×11.67=8.17kWQjs=Pjs×tgφ=8.17×1.33=10.89kvar(25)、木工圆锯Kx=0.65,Cosφ=0.6,tgφ=1.33Pjs=0.65×6=3.9kWQjs=Pjs×tgφ=3.9×1.33=5.2kvar(26)、真空吸水泵Kx=0.75,Cosφ=0.8,tgφ=0.75Pjs=0.75×2.2=1.65kWQjs=Pjs×tgφ=1.65×0.75=1.24kvar(27)、塔式起重机Kx=0.85,Cosφ=0.6,tgφ=1.33将Jc=40%统一换算到Jc1=25%的额定容量Pn=35kWPe=n×(Jc/Jc1)1/2×Pn=1×(0.4/0.25)1/2×35=44.27kWPjs=Kx×Pe=0.85×44.27=37.63kWQjs=Pjs×tgφ=37.63×1.33=50.17kvar(28)、强制式混凝土搅拌机Kx=0.75,Cosφ=0.85,tgφ=0.62Pjs=0.75×23=17.25kWQjs=Pjs×tgφ=17.25×0.62=10.69kvar(29)、钢筋切断机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(30)、钢筋弯曲机Kx=0.65,Cosφ=0.7,tgφ=1.02Pjs=0.65×2.2=1.43kWQjs=Pjs×tgφ=1.43×1.02=1.46kvar(31)、插入式振动器Kx=0.3,Cosφ=0.7,tgφ=1.02Pjs=0.