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单相与3相异步电动机 请教 实例在附件里面

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发表于 2010-7-21 17:58 | 显示全部楼层 |阅读模式 来自: 中国江苏泰州

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大家好,根据资料,我做了一个单相与3相电机的实例

最大的问题 是3相电机里面,转距与效率与我的有很大差异

资料上面RMXPRT 版本是V10的(MAXWELL 3d+RMxprt一体的)
,我的是V5。0的 然后用2D  模型打开的

资料上面的计算结果如下

MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3): 8900
Rotor Bar Material Density (kg/m^3): 2689
Rotor Ring Material Density (kg/m^3): 2689
Armature Core Steel Density (kg/m^3): 7872
Rotor Core Steel Density (kg/m^3): 7872
Armature Copper Weight (kg): 1.26815
Rotor Bar Material Weight (kg): 0.132043
Rotor Ring Material Weight (kg): 0.0754214
Armature Core Steel Weight (kg): 4.64333
Rotor Core Steel Weight (kg): 1.37199
Total Net Weight (kg): 7.49093
Armature Core Steel Consumption (kg): 8.2817
Rotor Core Steel Consumption (kg): 1.98525
RATED-LOAD OPERATION
Stator Resistance (ohm): 5.29389
Stator Leakage Reactance (ohm): 4.12046
Rotor Resistance (ohm): 5.64127
Rotor Leakage Reactance (ohm): 7.09699
Resistance Corresponding to
Iron-Core Loss (ohm): 1.54988e+008
Magnetizing Reactance (ohm): 170.223
Stator Phase Current (A): 2.36588
Current Corresponding to
Iron-Core Loss (A): 1.31334e-006
Magnetizing Current (A): 1.1958
Rotor Phase Current (A): 1.9613
Copper Loss of Stator Winding (W): 88.896
Copper Loss of Rotor Winding (W): 65.1009
Iron-Core Loss (W):0.000802
Frictional and Wind Loss (W): 29.7178
Stray Loss (W): 22
Total Loss (W): 205.716
Input Power (kW): 1.30578
Output Power (kW):1.10006
Mechanical Shaft Torque (N.m): 3.70337
Efficiency (%): 84.2457
Power Factor: 0.824426
Rated Slip: 0.0544833
Rated Shaft Speed (rpm): 2836.55
NO-LOAD OPERATION
No-Load Stator Resistance (ohm): 5.29389
No-Load Stator Leakage Reactance (ohm):4.12296
No-Load Rotor Resistance (ohm): 5.64115
No-Load Rotor Leakage Reactance (ohm): 17.8122
No-Load Stator Phase Current (A): 1.25755
No-Load Iron-Core Loss (W): 0.000885155
No-Load Input Power (W): 80.2731
No-Load Power Factor: 0.0704044
No-Load Slip: 0.00136341
No-Load Shaft Speed (rpm): 2995.91
BREAK-DOWN OPERATION
Break-Down Slip: 0.7
Break-Down Torque (N.m):15.4642
Break-Down Torque Ratio: 4.1757
Break-Down Phase Current (A): 14.4801
LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 14.8493
Locked-Rotor Phase Current (A): 16.8985
Locked-Rotor Torque Ratio: 4.00966
Locked-Rotor Current Ratio: 7.14257
Locked-Rotor Stator Resistance (ohm):5.29389
Locked-Rotor Stator
Leakage Reactance (ohm): 3.85183
Locked-Rotor Rotor Resistance (ohm): 5.68395
Locked-Rotor Rotor
Leakage Reactance (ohm): 3.30024



我计算的结果如下:
      MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3):   8900
Rotor Bar Material Density (kg/m^3):   2700
Rotor Ring Material Density (kg/m^3):   2700
Armature Core Steel Density (kg/m^3):   7872
Rotor Core Steel Density (kg/m^3):   7872
Armature Copper Weight (kg):   0.15261
Rotor Bar Material Weight (kg):   0.132583
Rotor Ring Material Weight (kg):   0.07573
Armature Core Steel Weight (kg):   4.64333
Rotor Core Steel Weight (kg):   1.37199
Total Net Weight (kg):   6.37625
Armature Core Steel Consumption (kg):   8.2817
Rotor Core Steel Consumption (kg):   1.98525
     RATED-LOAD OPERATION
Stator Resistance (ohm): 6.37073
Stator Leakage Reactance (ohm): 5.4195
Rotor Resistance (ohm): 9.30362
Rotor Leakage Reactance (ohm): 12.3143
Resistance Corresponding to
  Iron-Core Loss (ohm): 106539
Magnetizing Reactance (ohm): 270.627
Stator Phase Current (A): 2.29324
Current Corresponding to
  Iron-Core Loss (A): 0.00188439
Magnetizing Current (A): 0.741834
Rotor Phase Current (A): 2.07575
Copper Loss of Stator Winding (W): 100.51
Copper Loss of Rotor Winding (W): 120.261
Iron-Core Loss (W): 1.13493
Friction & Wind Loss (W): 15
Stray Loss (W): 0
Input Power (kW): 1.34165
Output Power (kW): 1.10475
Mechanical Shaft Torque (N.m): 3.89933
Efficiency (%): 82.3423
Power Factor: 0.888889
Rated Slip: 0.0969836
Rated Shaft Speed (rpm): 2709.05
     NO-LOAD OPERATION
No-Load Stator Resistance (ohm): 6.37073
No-Load Stator Leakage Reactance (ohm): 5.42386
No-Load Rotor Resistance (ohm): 9.30338
No-Load Rotor Leakage Reactance (ohm): 29.9346
No-Load Stator Phase Current (A): 0.794448
No-Load Iron-Core Loss (W): 1.30007
No-Load Input Power (W): 28.3442
No-Load Power Factor: 0.0542069
No-Load Slip: 0.0010063
No-Load Shaft Speed (rpm): 2996.98
     BREAK-DOWN OPERATION
Break-Down Slip: 0.8
Break-Down Torque (N.m): 11.892
Break-Down Torque Ratio: 3.04975
Break-Down Phase Current (A): 10.5746
     LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 11.7934
Locked-Rotor Phase Current (A): 11.7533
Locked-Rotor Torque Ratio: 3.02446
Locked-Rotor Current Ratio: 5.12521
Locked-Rotor Stator Resistance (ohm): 6.37073
Locked-Rotor Stator
  Leakage Reactance (ohm): 5.32559
Locked-Rotor Rotor Resistance (ohm): 9.32941
Locked-Rotor Rotor
  Leakage Reactance (ohm): 5.08965

dx1.pjt.rar

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SX1.pjt.rar

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Y80-2-1.pjt.rar

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 楼主| 发表于 2010-7-21 18:04 | 显示全部楼层 来自: 中国江苏泰州
因2D 模型有点大,现在传上来了

dx1_2d.pjt.part01.rar

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dx1_2d.pjt.part02.rar

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dx1_2d.pjt.part03.rar

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