变压器容量计算表用电设备Pe(kW)S(kV.A)KxcosφtgφPjs(kW)Qjs(kvar)Sjs(kV.A)Ijs(A)Igs(A)KpKq△qc344.000.750.800.75258.00193.50322.50302.000.750.800.75226.50169.88283.13办公及商住楼240.000.700.800.75168.00126.00210.00自动扶梯30.000.600.501.7318.0031.1836.00厨房电力120.000.700.701.0284.0085.70120.00电梯112.000.400.501.7344.8077.6089.60防排烟风机42.000.900.800.7537.8028.3547.25卷帘门48.000.600.701.0228.8029.3841.140.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.000.000.701.020.000.000.00合计1238.00865.90741.581140.05同时系数0.740.90779.31704.501050.541596.140.900.95电容补偿448.350.58电容补偿后0.950.33779.31256.15820.331246.36名称组别额定功率输入容量需要系数功率因数功率因数正切有功功率无功功率视在功率低压额定电流10kV额定电流有功功率同期系数(0.8~0.9)无功功率同期系数(0.93~0.97)无功功率补偿率1#照明及电热2#照明及电热功率损耗8.2041.02总计0.840.94787.51297.16841.711278.8510001443.3857.740.841000kV.A448kvar30~16000kV.A容量变压器变压器负荷率0.75～0.85变压器应选容量为:无功补偿容量为:用电设备组名称Kx单独传动的金属加工机床：小批生产的金属冷加工机床0.51.73大批生产的金属冷加工机床0.51.73小批生产的金属热加工机床大批生产的金属热加工机床0.651.17锻锤、压床、剪床及其它锻工机械0.250.61.33液压机0.30.61.33生产用通风机卫生用通风机0.80.75泵、活塞型压缩机、电动发电机组0.80.75球磨机、破碎机、筛选机、搅拌机等电阻炉（带调压器或变压器）：非自动装料自动装料干燥箱、加热器等10工频感应电炉（不带无功补偿装置）0.80.352.67高频感应电炉（不带无功补偿装置）0.80.61.330.71.02熔炼用高频加热设备电动发电机0.650.71.02真空管振荡器0.80.850.620.80.75电弧炼钢炉变压器0.90.850.62电弧炼钢炉的辅助设备0.150.51.730.350.61.33电子行业点焊机0.20.61.33对焊机0.350.71.02自动弧焊变压器0.50.51.73单头手动弧焊变压器0.350.352.68多头手动弧焊变压器0.40.352.68单头直流弧焊机0.350.61.33多头直流弧焊机0.70.71.020.51.730.51.73联锁的连续运输机械0.650.750.88非联锁的连续运输机械0.750.88一般工业用硅整流装置0.50.71.02电镀用硅整流...
