施工临时用电方案计算书doc.docx
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施工临时用电方案计算书doc.docx
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施工临时用电方案计算书doc
施工临时用电方案计算书
施工临时用电方案计算书某工程工程;属于框剪结构;地上18层;地下1层;建筑高度59.90m;标准层层高2.90m;总建筑面积56280.00平方米;总工期490天;施工单位{}。
本工程由某房地产开发有限公司投资建设,某设计院设计,浙江省浙某工程勘察院地质勘察,浙江某监理公司监理,浙江某建筑工程有限公司组织施工;由某担任项目经理,某担任技术负责人。
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
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kW1插入式振动器ZX501.1011.102平板式振动器ZB111.1011.103木工电刨MIB2-80/10.7010.704木工圆锯MJ1065.5015.505交流电焊机BX3-500-238.60138.606塔式起重机TQ60/8055.50155.507SCD100/100A11.00111.008灰浆搅拌机UJ1002.2012.209SCD100/100A11.00111.0010插入式振动器ZX501.1011.1011平板式振动器ZB111.1011.1012灰浆搅拌机UJ1002.2012.2013木工电刨MIB2-80/10.7010.7014木工圆锯MJ1065.5015.5015交流电焊机BX3-500-238.60138.6016平板式振动器ZB111.1011.1017木工电刨MIB2-80/10.7010.7018木工圆锯MJ1065.5015.5019插入式振动器ZX701.5011.5020交流电焊机BX3-500-238.60138.6021塔式起重机TQ60/8055.50155.5022SCD100/100A11.00111.0023灰浆搅拌机UJ1002.2012.2024载货电梯JT17.5017.5025插入式振动器ZX701.5011.5026平板式振动器ZB111.1011.1027木工电刨MIB2-80/10.7010.7028木工圆锯MJ1065.5015.5029真空吸水泵HZX-404.0014.0030交流电焊机BX3-500-238.60138.6031钢筋调直机GT3/97.5017.5032钢筋切断机QJ40-15.5015.5033钢筋弯曲机GW403.0013.0034交流电焊机BX3-500-238.60138.6035钢筋调直机GT6/85.5015.5036钢筋切断机QJ40-15.5015.5037钢筋弯曲机GW403.0013.0038交流电焊机BX3-500-238.60138.6039塔式起重机TQ60/8055.50155.5040JD50018.50237.0041混凝土输送泵HB-1532.20132.2042载货电梯JT17.5017.5043插入式振动器ZX701.5011.5044平板式振动器ZB111.1011.1045灰浆搅拌机UJ1002.2012.2046交流电焊机BX3-500-238.60138.6047载货电梯JT17.5017.5048插入式振动器ZX701.5011.5049平板式振动器ZB111.1011.1050灰浆搅拌机UJ1002.2012.2051交流电焊机BX3-500-238.60138.6052载货电梯JT17.5017.5053插入式振动器ZX701.5011.5054平板式振动器ZB111.1011.1055灰浆搅拌机UJ1002.2012.2056交流电焊机BX3-500-238.60138.60----------------------------------------------------------------
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R≤4Ω。
2、确定用电负荷1、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar2、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar3、木工电刨Kx0.30Cosφ0.60tgφ1.33Pjs0.300.700.21kWQjsPjstgφ0.211.330.28kvar4、木工圆锯Kx0.30Cosφ0.60tgφ1.33Pjs0.305.501.65kWQjsPjstgφ1.651.332.20kvar5、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar6、塔式起重机Kx0.20Cosφ0.60tgφ1.33Pjs0.2055.5011.10kWQjsPjstgφ11.101.3314.80kvar7、建筑施工外用电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.2011.002.20kWQjsPjstgφ2.201.332.93kvar8、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar9、建筑施工外用电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.2011.002.20kWQjsPjstgφ2.201.332.93kvar10、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar11、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar12、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar13、木工电刨Kx0.30Cosφ0.60tgφ1.33Pjs0.300.700.21kWQjsPjstgφ0.211.330.28kvar14、木工圆锯Kx0.30Cosφ0.60tgφ1.33Pjs0.305.501.65kWQjsPjstgφ1.651.332.20kvar15、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar16、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar17、木工电刨Kx0.30Cosφ0.60tgφ1.33Pjs0.300.700.21kWQjsPjstgφ0.211.330.28kvar18、木工圆锯Kx0.30Cosφ0.60tgφ1.33Pjs0.305.501.65kWQjsPjstgφ1.651.332.20kvar19、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.500.45kWQjsPjstgφ0.451.020.46kvar20、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar21、塔式起重机Kx0.20Cosφ0.60tgφ1.33Pjs0.2055.5011.10kWQjsPjstgφ11.101.3314.80kvar22、建筑施工外用电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.2011.002.20kWQjsPjstgφ2.201.332.93kvar23、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar24、载货电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.207.501.50kWQjsPjstgφ1.501.332.00kvar25、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.500.45kWQjsPjstgφ0.451.020.46kvar26、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar27、木工电刨Kx0.30Cosφ0.60tgφ1.33Pjs0.300.700.21kWQjsPjstgφ0.211.330.28kvar28、木工圆锯Kx0.30Cosφ0.60tgφ1.33Pjs0.305.501.65kWQjsPjstgφ1.651.332.20kvar29、真空吸水泵Kx0.75Cosφ0.80tgφ0.75Pjs0.754.003.00kWQjsPjstgφ3.000.752.25kvar30、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar31、钢筋调直机Kx0.30Cosφ0.70tgφ1.02Pjs0.307.502.25kWQjsPjstgφ2.251.022.30kvar32、钢筋切断机Kx0.30Cosφ0.70tgφ1.02Pjs0.305.501.65kWQjsPjstgφ1.651.021.68kvar33、钢筋弯曲机Kx0.30Cosφ0.70tgφ1.02Pjs0.303.000.90kWQjsPjstgφ0.901.020.92kvar34、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar35、钢筋调直机Kx0.30Cosφ0.70tgφ1.02Pjs0.305.501.65kWQjsPjstgφ1.651.021.68kvar36、钢筋切断机Kx0.30Cosφ0.70tgφ1.02Pjs0.305.501.65kWQjsPjstgφ1.651.021.68kvar37、钢筋弯曲机Kx0.30Cosφ0.70tgφ1.02Pjs0.303.000.90kWQjsPjstgφ0.901.020.92kvar38、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar39、塔式起重机Kx0.20Cosφ0.60tgφ1.33Pjs0.2055.5011.10kWQjsPjstgφ11.101.3314.80kvar40、自落式混凝土搅拌机Kx0.75Cosφ0.85tgφ0.62Pjs0.7537.0027.75kWQjsPjstgφ27.750.6217.20kvar41、混凝土输送泵Kx0.30Cosφ0.70tgφ1.02Pjs0.3032.209.66kWQjsPjstgφ9.661.029.86kvar42、载货电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.207.501.50kWQjsPjstgφ1.501.332.00kvar43、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.500.45kWQjsPjstgφ0.451.020.46kvar44、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar45、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar46、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar47、塔式起重机Kx0.20Cosφ0.60tgφ1.33Pjs0.2055.5011.10kWQjsPjstgφ11.101.3314.80kvar48、载货电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.207.501.50kWQjsPjstgφ1.501.332.00kvar49、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.500.45kWQjsPjstgφ0.451.020.46kvar50、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar51、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar52、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar53、载货电梯Kx0.20Cosφ0.60tgφ1.33Pjs0.207.501.50kWQjsPjstgφ1.501.332.00kvar54、插入式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.500.45kWQjsPjstgφ0.451.020.46kvar55、平板式振动器Kx0.30Cosφ0.70tgφ1.02Pjs0.301.100.33kWQjsPjstgφ0.331.020.34kvar56、灰浆搅拌机Kx0.50Cosφ0.55tgφ1.52Pjs0.502.201.10kWQjsPjstgφ1.101.521.67kvar57、交流电焊机Kx0.35Cosφ0.40tgφ2.29将Jc50统一换算到Jc1100的额定容量PnSnCosφ38.600.4015.44kWPenJc/Jc11/2Pn10.50/1.001/215.4410.92kWPjsKxPe0.3510.923.82kWQjsPjstgφ3.822.298.76kvar58总的计算负荷计算,总箱同期系数取Kx0.90总的有功功率PjsKxΣPjs0.900.330.330.211.653.8211.102.201.102.200.330.331.100.211.653.820.330.211.650.453.8211.102.201.101.500.450.330.211.653.003.822.251.650.903.821.651.650.903.8211.1027.759.661.500.450.331.103.8211.101.500.450.331.103.821.500.450.331.103.82144.053kW总的无功功率QjsKxΣQjs0.900.340.340.282.208.7614.802.931.672.930.340.341.670.282.208.760.340.282.200.468.7614.802.931.672.000.460.340.282.202.258.762.301.680.928.761.681.680.928.7614.8017.209.862.000.460.341.678.7614.802.000.460.341.678.762.000.460.341.678.76196.697kvar总的视在功率SjsPjs2Qjs21/2144.0532196.69721/2243.805kVA总的计算电流计算IjsSjs/1.732Ue243.805/1.7320.38370.434A3、1号干线线路上导线截面及分配箱、开关箱内电气设备选择在选择前应对照平面图和系统图先由用电设备至开关箱计算,再由开关箱至分配箱计算,选择导线及开关设备。
分配箱至开关箱,开关箱至用电设备的导线敷设采用铜橡皮绝缘导线空气明敷,室外架空铜导线按机械强度的最小截面为10mm2,由于这部分距离较短,因此不考虑电压降,只按安全载流量选择导线截面。
1、插入式振动器开关箱至插入式振动器导线截面及开关箱内电气设备选择(开关箱以下机械启动后需要系数取1)i计算电流Kx1Cosφ0.70tgφ1.02IjsKxPe/1.732UeCosφ1.001.10/1.7320.380.702.39Aii选择导线选择BX-416110,空气明敷时其安全载流量为110.00A。
室外架空铜芯导线按机械强度的最小截面为10mm2,满足要求。
iii选择电气设备选择开关箱内开关为DZ5-20/4,其脱扣器整定电流值为Ir16.00A。
漏电保护器为DZ10L-100/4。
2、平板式振动器开关箱至平板式振动器导线截面及开关箱内电气设备选择(开关箱以下机械启动后需要系数取1)i计算电流Kx1Cosφ0.70tgφ1.02IjsKxPe/1.732UeCosφ1.001.10/1.7320.380.702.39Aii选择导线选择BX-416110,空气明敷时其安全载流量为110.00A。
室外架空铜芯导线按机械强度的最小截面为10mm2,满足要求。
iii选择电气设备选择开关箱内开关为DZ5-20/4,其脱扣器整定电流值为Ir16.00A。
漏电保护器为DZ10L-100/4。
3、木工电刨开关箱至木工电刨导线截面及开关箱内电气设备选择(开关箱以下机械启动后需要系数取1)i计算电流Kx1Cosφ0.60tgφ1.33IjsKxPe/1.732UeCosφ1.000.70/1.7320.380.601.77Aii选择导线选择BX-416110,空气明敷时其安全载流量为110.00A。
室外架空铜芯导线按机械强度的最小截面为10mm2,满足要求。
iii选择电气设备选择开关箱内开关为Hk1-15/4,熔断器RC1A-5其最大熔体电流为IRD5.00A,可根据实际电流的2.5倍选择额定电流较小的熔丝,漏电保护器为DZ10L-100/4。
4、木工圆锯开关箱至木工圆锯导线截面及开关箱内电气设备选择(开关箱以下机械启动后需
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