三相鼠笼异步电机的空载堵转实验吴丹

1、上 海 电 力 学 院实 验 报 告课程 电机学(2) 实验项目 三相鼠笼异步电机的空载堵转实验 班级 2010029班 姓名 吴丹 20101320 同组人姓名 郭醒 金陶哲 王辛吉 三相鼠笼异步电机的空载堵转实验一、 实验目的1、 掌握三相异步电机的空载、堵转实验的方法2、 用实验的方法测定三相鼠笼异步电动机的相关参数3、 掌握三相异步电动机的空载特性和短路特性二、 实验设备序号型号名称数量备注1DD03导轨、测速发电机及转速表1件2DJ16三相鼠笼异步电动机1件3D33交流电压表1件量程为300V4D32交流电流表1件量程为1A5D34-3单三相智能功率、功率因数表1件6万用表1件7堵转螺杆1件三、 实验实际线路图 三相鼠笼式异步电机实验接线图三相鼠笼式异步电机转子结构 三相鼠笼式异步电机定子结构 异步电动机的铭牌 万用表实验实际线路图 三相鼠笼式异步电机的空载试验实验实际线路图 三相鼠笼式异步电机的堵转试验此时，转子堵转测量定子绕组实际线路图=45.3 =47.5 =45.0 四、 实现数据空载试验 三相鼠笼式异步电动机空载试验数据记录表 序号1到19 异步机转速1492r/m

2、in 序号20 异步机转速207r/min序号 (V) (A) (W) cos1264264265264.30.310.310.290.30350.1-28.121.60.60.352248246249247.70.2860.2850.270.28043.9-24.1200.610.3532352322352340.2660.2680.2520.26239.3-20.718.60.620.344228226228227.30.2560.2580.2490.25437.1-19.117.80.620.335220218220219.30.2460.2480.2350.24334.5-17.317.20.630.336214212214213.30.2380.2400.2250.23432.5-15.916.60.630.327203201204202.70.2260.2280.2150.22329.9-14.115.80.640.3281911901921910.2120.2100.2000.20726.9-11.915.00.650.319180.5180181180.50.2000.

3、2000.1900.20024.5-10.314.20.660.3010170.7170172170.90.1890.1880.1800.18622.3-8.713.60.670.2811159159161159.70.1760.1740.1700.17219.9-6.913.00.690.2512149148151149.30.1660.1640.1600.16318.1-5.712.20.710.2313137.4136139137.50.1560.1510.1500.15216.1-4.311.80.740.2114127.5126130127.80.1490.1400.1400.14314.7-3.511.40.760.1815113.8114116114.60.1390.1350.1300.13512.7-1.910.80.780.1416102.5102105103.20.1290.1280.1250.12711.3-0.910.20.820.071790.1919291.030.1240.1200.1200.1219.909.90.8701880.2807678.70.1

4、210.1200.1200.1128.90.99.60.890.071964.3656765.40.1310.1280.1280.1298.11.39.40.920.152049.4495049.50.3030.300.2990.30112.1-1.111.20.810.07堵转实验 三相鼠笼式异步电动机堵转试验数据记录表 序号 (V) (A) (W) cos177.476.178.077.20.6070.5980.5990.60138.9-2.936.20.820.06272.071.573.072.20.5490.5400.5450.54532.7-2.929.80.810.07367.967.168.167.70.5040.5000.5000.50127.9-2.725.40.800.08462.862.063.062.60.4500.4500.4480.44923.1-2.720.20.800.09548.148.048.748.30.3050.3050.3010.30311.5-2.19.40.770.14631.431.232.031.50.1500.1500.1510.1

5、513.5-1.12.40.710.23=45.3 =47.5 =45.0 五、 数据处理1作空载特性曲线2、 短路特性曲线由短路试验数据求短路参数短路阻抗：=234.05157619短路电阻：=101.19481596短路阻抗：=211.04442552式中 电动机堵转时的相电压，相电流，每相短路功率（三角形接法）转子电阻的折合值：式中是没有折算到时实际值。定转子漏抗：=105.52215ZkRkXk67.70.50125.4234.05157619101.19481596211.04442552由空载试验数据求励磁回路参数空载阻抗 =1563.1223955空载电阻 =291.28351031空载电抗 =1535.7426672式中 为电动机空载时的相电压，相电流，每相空载功率（三角形接法）励磁电抗 =(1535.7426672-105.52215)=1430.2205励磁电阻 式中为额定电压时的铁耗铁耗和机械损耗之和为：=45.3 =47.5 =45.0=(+)=(45.3+47.5+45.0)=45.9333为了分离铁耗和机械损耗，做曲线=f() 21.60.3034.2170

6、90339717.38290966264.369854.49200.283.6011707216.39882928247.761355.2918.60.2623.153045445215.4469545552345475617.80.2542.963432782814.836567217227.351665.2917.20.2432.712315431714.487684568219.348092.4916.60.2342.515123774814.084876225213.345496.8915.80.2232.284217075713.515782924202.741087.29150.2071.968195971713.0318040281913648114.20.21.83733212.362668180.532580.2513.60.1861.589108446812.010891553170.929206.81130.1721.358890747211.641109253159.725504.0912.20.1631.220401847710.979598152149.322290.4911.80.1521.061242963210.738757037137.518906.2511.40.1430.939290051710.460709948127.816332.8410.80.1350.83713439259.9628656075114.613133.1610.20.1270.74085819579.4591418043103.210650.249.90.1210.67250944539.227490554791.038286.46099.60.1120.57618731529.023812684878.76193.699.40.1290.76437604538.635623954765.44277.1611.20.3014.16160291337.038397086749.52450.25励磁电阻 =155.5945Z0R0X0219.30.

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