计算电流及需要系数表.xls

1、1#1#楼楼计计算算负负荷荷及及配配电电干干线线表表序号供电区域名称装设功率（kW）需要系数（KX）计算功率Pjs（kW）无功功率Qjs(kvar)视在功率Sjs(kVA)功率因数COStan整定电流（A）计算电流（A）干线线径配电箱编号备注1区排烟、加压送风83.901.000.800.75200159.302（ZR-EE-4*120+70）双电源切换(消防电源)2、区排烟、加压送风62.201.000.800.75200118.102（ZR-EE-4*120+7）双电源切换(消防电源)3消防值班室12.901.0012.9012.130.730.946338.102（ZR-EE-4*+）双

2、电源切换4消防水泵放71.101.000.800.75200137.602（ZR-EE-4*120+70）双电源切换(消防电源)5（区）消防电梯40.000.208.006.000.800.751002（ZR-EE-4*+）双电源切换6区电梯40.000.208.006.000.800.751002（ZR-EE-4*+）双电源切换7区电梯24.800.204.963.720.800.75632（ZR-EE-4*+）双电源切换8区电梯20.000.204.003.000.800.75632（ZR-EE-4*+）双电源切换9人防设备20.000.800.75632（ZR-EE-4*+）双电源切换(

3、消防电源)10网络机房设备、照明129.200.81104.65100.460.720.96315226.002（ZR-EE-4*+）双电源切换11网络机房空调、锅炉房应急排风201.600.71143.14107.360.800.75350271.80（ZR-EE-4*120+70）个回路、每个回路根线（双电源切换）12间、分配线间26.601.0026.2025.150.720.968058.202（ZR-EE-4*+）双电源切换13冷水机组214.001.00214.00132.680.850.62500382.502（ZR-EE-4*1+）14冷水机组214.001.000.850.6

4、2500382.502（ZR-EE-4*1+）备用15 设备房、锅炉房255.600.98250.49180.350.810.72630475.302（ZR-EE-4*+）非双电源16生活水泵房33.800.9532.1124.080.800.758061.20ZR-EE-4*+两用一备17地下一层插座、照明33.200.6019.9215.540.790.786342.70ZR-EE-4*+第 1 页，共 5 页18区照明114.700.90103.2349.550.900.48315204.30ZR-EE-4*+19区插座282.200.70197.54201.490.701.026304

5、30.802（ZR-EE-4*+）20区新风机组、风机盘管63.901.0063.9047.930.800.75200126.30ZR-EE-4*120+7021区照明74.200.9066.7832.050.900.48200140.50ZR-EE-4*120+7022区插座165.500.77127.44129.990.701.02350278.102（ZR-EE-4*120+70）23区新风机组、风机盘管36.601.0036.6027.450.800.7512570.80ZR-EE-4*+24区一层照明、插座、新风机组、风机盘管39.300.8834.5824.900.810.7210

6、074.00ZR-EE-4*+25区二层照明、插座、新风机组、风机盘管36.800.8732.0222.410.820.7010067.20ZR-EE-4*+26区三五层照明、插座、新风机组、风机盘管76.400.8766.4747.860.810.72200140.90ZR-EE-4*120+70合计2372.501556.931200.10取KP=KQ=0.901401.241080.091769.2 自然功率因数:COS1=1401.24/1769.20=0.79,tan1=0.78经无功补偿后功率因数COS2=0.90,tan2=0.48,无功补偿容量QC=Pjs(tan1-tan2)=1401.24(0.78-0.48)=420.37kvar659.721548.78如无功补偿500kvar1401.24580.091516.570.921#1#楼楼计计算算负负荷荷及及配配电电干干线线表表序号供电区域名称装设功率（kW）需要系数（KX）计算功率Pjs（kW）无功功率Qjs(kvar)视在功率Sjs(kVA)功率因数COStan整定电流（A）计算电流（A）干线线径配电箱编号备注