三相隔离变压器计算.xls

三相隔离变压器计算.xls

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三三相相干干式式隔隔离离变变压压器器（仅仅参参考考）客户名称:

品名:

计算日期:

2010.11.29品号:

基本参数额定视在功率300KVA50.00HZ三相绝缘耐压3KV/1分磁化电流I020.44A计算效率（%）97.90%输入线电压电流380V455.8AD绝缘等级H级铁损电流IC02.50A次级空载相电压114.00V输入相电压电流380V263.2A允许温升H180125K空载电流A20.59A次级负载相电压112.92V输出线电压电流200V866.1AY环境温度26空载损耗W960.94W输出相电压电流115V866.0A冷却方式自然冷却电压调整率0.95%主铁心材质30Z120叠片接缝整叠式磁通密度（B）1.58T叠片系数0.97每伏匝数V/T0.11V/TA铁心总宽B铁心总高C铁心窗高D铁心横轭校核实际磁密1.5861T铁心片密度7.65磁路长度Lc130cm950980600190计算需截面积316.23cm2横轭重量524.71kg磁场强度H6.31H/AE铁心片宽F铁心窗宽G铁心叠厚铁心开孔径实际有效面积269.80cm2中柱重量497.10kg铁心单位铁损Pc00.93W/kg190190190截面系数之比0.85K重量总计1021.81kg铁心总铁损Pw948.2W绕组线圈导体材质导体形状计算每相匝数选择圈数导体线高导体线宽叠绕股数并绕股数导体皮膜厚度导体截面积绕组1AL扁线40.23Ts40Ts3.00mm8.00mm320.50mm144mm2绕组212.23Ts12Ts5.00mm10.00mm52500mm2铁心舌宽侧面绝缘板厚度底筒留空隙底筒宽度侧面1#气道侧面3#气道侧面5#气道侧面7#气道底筒尺寸与气道的放置190mm0.0mm2mm194mm8mm0mm0mm0mm铁心叠厚铁心深度夹板厚底筒间气道（深）底筒深度尺寸前后深度2#气道前后深度4#气道前后深度6#气道前后深度8#气道190mm2.0mm10mm214mm10mm10mm10mm10mm铁心上下总留端空线圈上下总留端空有效容线长度导体排绕系数计算每层容匝数选择每层匝数计算需绕层数选择绕层数导体叠绕系数层间绝缘纸厚绕组110mm20mm570mm1.0330.74Ts17Ts/L2.4L2.0L1.200.13mm绕组2570mm25.15Ts21Ts/L0.6L2.0L总绕厚:

平均匝长线圈总长导体密度单线圈重量线圈总重量20电阻系数20时线圈电阻线圈120时电阻120时每相线损3相总电阻损耗绕组11255.41mm50.82M2.70319.78kg63.49kg28.30.01000.014501004.4W5481.3W绕组21062.08mm13.34M18.04kg57.89kg0.00080.00110822.7W绝缘纸用量计算导体总重:

121.39kg绝缘纸类型绝缘纸厚绝缘纸高绝缘纸密度底筒绝缘层数底筒绝缘（单）绕组1层间层数组1层间重（单）绕组2层间层数组2层间纸重（单）单个用绝缘纸NM0.13mm590.00mm1.404Ts0.350kg6Ts0.81kg6Ts0.68kg1.84kg外形尺寸计算两线圈占窗宽两线圈间剩间距单线包宽度W单线包深度D单线包高度H整产品宽度W整产品深度D整产品高度H218.2mm-28.2mm428.22mm496.22mm580.00mm400mm476mm980mm自身阻抗计算副铁电抗计算频率Hz50HZa1（绕组1绕厚）2.86cm初次平均电抗高度57.00cm客户要求阻抗10.0%副铁片宽190总匝数W40Tsa2（绕组2绕厚）7.15cm漏磁场总宽度10.9cm实际自身阻抗3.8%副铁叠厚40额定电流I263Aa12（绕组12间空道）0.85cmH/=5.25副铁阻抗6.20%副铁需截面积55.66cm2每匝电势et9.50V/Tr1（绕组1半径）14.42cm洛式系数0.939总阻抗压降38.00V副铁实际面积73.72cm2R112.99cmr2（绕组2半径）20.28cm附加电抗系数K0.97换算压降23.548V横轭重量110.47kgR223.85cmr12初次间半径16.27cm漏磁面积D75.94cm2换算电感0.2850mH芯柱碎片重量104.65kg电阻电压降Ur%1.83%电抗电压降Ux%3.34%总阻抗压降Uk%3.80%校核实际磁密0.36T副铁总重量215.12kg计算副铁气隙厚52.09mm温升（参考）线圈绕组外表面积（裸露部分）（m2）1.38m2底筒风道对流散热系数0.051线圈绕组内气道表面积FD（m2）0.00m2线圈中部垂直对流风道散热系数0.288底筒散热面积Fd（m2）0.47m2水平气道的遮盖散热系数线圈前后气道数量（各?

道）0道计算线圈温升（仅参考）123.0K计算夹件用量夹件重量材质厚度宽度长度使用件数理论密度单件重量合计重量参考重量上部夹件普通碳素钢7.80.0000kg0.00kg铁心重量下部夹件普通碳素钢7.80.0000kg0.00kg导线重量铁心夹板铝板2.70.0000kg0.00kg绝缘纸重量帮块零件普通碳素钢7.80.0000kg0.00kg夹件重量底座普通碳素钢7.80.0000kg0.00kg其它辅料重量顶槽钢普通碳素钢7.80.0000kg0.00kg整机参考重量其它普通碳素钢00.0000kg0.00kg抽头排紫铜板8.90.0000kg0.00kg气道槽板铝板2.70.0000kg0.00kg绝缘垫板及撑条使用量工形撑条规格每mm2重量长度使用件数总重量直角撑条mm2重量长度使用件数总重量5*50.0000470.00kg8*80.000350.00kg8*80.000110.00kg10*100.000510.00kg5*100.000090.00kg12*120.000590.00kg8*100.000140.00kg16*160.00250.00kg8*120.000150.00kg红岗纸10*100.000160.00kg0.50.91.10.00kg10*120.000180.00kg1.02.01.150.00kg10*150.000240.00kg2.15.01.150.00kg13*180.000370.00kg环氧板:

15*150.000380.00kg1.71.918*180.000550.00kg0.00kg使用横锁螺栓长度计算螺杆规格铁心叠厚铁心夹板厚度夹件厚度标准螺母厚标准弹垫厚标准平垫厚绝缘子厚需六角头螺杆长度需双头螺杆长度M6721.31.519.633.6M892.662.72.727.4644.12M10113.425.2633.9253.32M1213.53.742.165.2637.0859.32M14M16M18手工输入区域计算结果区域电流密度1.83A1.73A绕线厚度29.11mm72.00mm101.11mm总损耗与附加损耗5645.7W整台绝缘重5.81kg1021.8kg121.4kg5.81kg0.0kg5.0kg1149.0kg附表一：

日本（新日铁）公司取向硅钢片在50Hz下的性能数据表牌号27ZH100（Z7H-0.27）30ZH120（Z8H-0.3）30Z120磁通密度T单位损耗W/kg励磁容量VA/kg单位损耗W/kg励磁容量VA/kg单位损耗W/kg励磁容量VA/kg1.150.4050.470.490.5650.460.5331.160.4120.4770.4980.5740.4680.5421.170.4190.4840.5060.5830.4760.5511.180.4260.4910.5140.5920.4840.561.190.4330.4980.5220.6010.4920.571.20.440.5050.530.610.50.581.210.4770.5130.5390.620.5090.591.220.4540.5210.5480.630.5180.61.230.4610.530.5570.640.5270.611.240.4680.5390.5660.650.5360.621.250.4750.5480.5750.660.5450.631.260.4830.5570.5840.670.5540.6411.270.4910.5660.5930.680.5630.6521.280.4990.5750.6020.690.5720.6631.290.5070.5840.6110.70.5810.6741.30.5150.5930.620.710.590.6851.310.5230.6030.6290.7210.60.6961.320.5310.6130.6380.7320.610.7081.330.5390.6230.6470.7430.620.721.340.5470.6330.6560.7550.630.7331.350.5550.6430.6650.7670.640.7461.360.5640.6530.6750.7790.6510.761.370.5730.6630.6850.7910.6620.7741.380.5820.6730.6950.8040.6730.7891.390.5910.6340.7050.8170.6840.8041.40.60.6950.7150.830.6950.821.410.610.7060.7250.8440.7070.8361.420.620.7170.7350.8580.7190.8541.430.630.7280.7450.8720.7310.8721.440.640.7390.7550.8870.7430.8921.450.650.750.7650.9020.7550.9121.460.660.7620.7760.9170.7680.9341.470.670.7740.7870.9320.7810.9561.480.680.7860.7980.9480.7940.981.490.690.7980.8090.9640.8071.0041.50.70.810.820.980.821.0281.510.710.8220.8320.9960.8341.0541.520.720.8360.8441.0120.8481.0821.530.730.8520.8571.0290.8621.1121.540.740.870.871.0460.8761.1451.550.750.890.8841.0640.891.181.560.7610.910.910.8981.0820.9051.570.7720.930.930.9131.1010.921.580.7840.9520.9281.120.9361.31.590.7970.9760.9441.140.9531.3481.60.8110.961.160.9711.41.610.8241.0240.9761.1820.991.461.620.8381.050.9921.2061.011.531.630.8521.0781.0781.0081.2321.031.640.8661.1081.0251.261.051.691.650.881.141.0421.291.071.781.660.8951.1741.0391.3251.091.881.670.9121.211.0761.3621.111.981.680.9281.751.0941.41.1322.11.690.9441.291.1121.4451.1542.221.70.961.131.0421.491.1762.3535ZH125（Z8H-0.35）35Z155（Z10-0.35）接逢单位励磁容量（VA/cm2）单位损耗W/kg励磁容量VA/kg单位损耗W/kg励磁容量VA/kg0.5530.590.5650.6420.3350.5620.5990.5740.6520.3570.5710.6080.5830.6620.3810.580.6180.5920.6730.4070.5890.6280.6010.6840.4350.5980.6380.610.6950.4650.6070.6480.620.7060.4960.6160.6580.630.7170.5280.6250.6680.6410.7280.5610.6340.6780.6520.7390.5950.6430.6880.6630.750.630.6520.6980.6740.7620.670.6610.7080.6850.7740.710.670.7180.6960.7860.7550.680.7280.7070.7980.80.690.7380.7180.810.850.70.7490.730.8230.90.710.760.7420.8370.950.720.7710.7550.85210.730.7820.7680.8681.050.740.7930.7810.8851.10.7510.8040.7940.9021.150.7620.8150.8080.921.20.7730.8260.8220.9381.250.7840.8380.8360.9571.30.7950.850.850.9761.360.8060.8640.8650.9961.420.8170.8780.881.0171.480.8280.8940.8951.0391.540.8390.910.9111.0621.60.850.9260.9271.0861.660.8620.9420.9431.1121.720.8740.9530.9591.141.790.8860.9740.9761.171.860.8980.9920.9931.21.930.911.011.011.23220.9221.0281.0281.2662.070.9341.0461.0461.3022.140.9461.0641.0641.342.210.9581.0821.0821.382.280.971.11.11.422.35附表一：

日本（新日铁）公司取向硅钢片在50Hz下的性能数据表1.2161.1181.121.462.421.2561.1381.141.512.51.0061.1581.1611.572.581.011.1781.1831.642.661.031.21.2051.722.741.0441.2241.2271.82.831.0581.2511.2491.892.921.0741.2811.2721.983.011.091.3141.2962.083.11.1081.351.322.183.191.1261.391.3142.33.281.1461.4381.3962.453.381.1661.4291.3952.623.491.1881.5281.4222.83.61.211.581.4533.71