建筑施工临时用电计算公式(土建)

设备名称数量额定（铭牌）功率Pr(KW)额定负载持续率εr需要系数Kx塔吊7036191.540%0.5塔吊501314540%0.5钢筋切断机24100%0.7钢筋调制机24100%0.7钢筋弯曲机24100%0.7套丝机24.5100%0.7预拌砂浆罐24100%0.7圆盘锯24.5100%0.7刨木机21100%0.7HBT90砼输送泵1160100%0.7插入式振动器162.2100%0.5提升架、提升机构350.5100%0.7施工电梯244100%0.7潜水泵85.5100%0.8污水泵422100%0.8增压泵511100%0.8对焊机210060%0.6交流电焊机423.460%0.6电渣压力焊46060%0.6同时系数cosφtanφ功率计算公式Pe=2×Pr×10.651.16913115.739362410.651.1691356.9209978810.750.88192810.750.88192810.750.88192810.750.88192910.750.88192810.730.93623910.730.93623210.750.88192 16010.671.10835.210.750.88192 17.510.651.16913 8810.780.802284410.780.802288810.780.802285510.6 1.3333392.9516003110.61.3333343.5013489410.61.33333111.5419204有功功率Pc(kW)=Kx×Pe无功功率Qc(kvar)=Pc×tanφ视在功率Sc(kVA)=57.8696811867.6571543389.0302787428.4604989433.2740103343.785382995.64.9387357817.4666666675.64.9387357817.4666666675.64.9387357817.4666666676.35.5560777538.45.64.9387357817.4666666676.35.8982424848.6301369861.41.3107205521.91780821911298.77471561149.333333317.619.5008288526.2686567212.2510.8034845216.3333333361.672.018380394.7692307735.228.2403062745.1282051370.456.4806125490.256410264435.3003828356.4102564155.7709601974.3612802592.9516003126.1008093734.8010791643.5013489466.9251522289.2335363111.5419204计算电流Ic(A)135.267514266.5250069811.3444263411.3444263411.3444263412.7624796311.3444263413.112136612.913808136226.888526839.9110948124.81593262143.986949768.56521415137.130428385.70651769141.225345966.0934619169.4704151