一132kW-6P电机试制完成， RMxpert提示错误

wenzee

现有一台315-6P， 132kW，IE2三相异步电动机，试制合格，上科所程序运行成功，在Rmxpert中提示错误信息，请各位大侠帮忙看一下是哪里出错？
谢谢，谢谢！









500.pdf (54.53 KB, 下载次数: 8)

2012-7-12 22:20 上传

点击文件名下载附件

wenzee

这是mxwl文件。
IE2.zip (4.36 KB, 下载次数: 11)

2012-7-12 22:26 上传

点击文件名下载附件

wenzee

更改转子槽型后，可以运行了。可是Locked-Rotor Torque Ratio太小，只有1.40，试验测试2.2.
以下是数据，请大侠们看看什么参数输入不正确。

Three-Phase Induction Machine Design

                      File: Setup1.res

     GENERAL DATA

Given Output Power (kW):
132
Rated Voltage (V):
380
Winding Connection:
Delta
Number of Poles:
6
Given Speed (rpm):
990
Frequency (Hz):
50
Stray Loss (W):
1320
Frictional Loss (W):
100
Windage Loss (W):
500
Operation Mode:
Motor
Type of Load:
Constant Power
Operating Temperature (C):
95

     STATOR DATA

Number of Stator Slots:
72
Outer Diameter of Stator (mm):  
500
Inner Diameter of Stator (mm):  
350
Type of Stator Slot:
2
Stator Slot

            hs0 (mm):  
1
            hs1 (mm):  
0.54
            hs2 (mm):  
34.96
            bs0 (mm):  
3.8
            bs1 (mm):  
7.8
            bs2 (mm):  
10.86
Top Tooth Width (mm):  
7.60766
Bottom Tooth Width (mm):  
7.60044

Length of Stator Core (mm):  
460
Stacking Factor of Stator Core:
0.98
Type of Steel:
DW465_50
Number of lamination sectors
12
Press board thickness (mm):  
2
Magnetic press board
Yes
Number of Parallel Branches:
6
Type of Coils:
21
Coil Pitch:
10
Number of Conductors per Slot:
22
Number of Wires per Conductor:
6
Wire Diameter (mm):
1.29
Wire Wrap Thickness (mm):
0.1

Wedge Thickness (mm):
1.5
Slot Liner Thickness (mm):
0.4
Layer Insulation (mm):
0.4
Slot Area (mm^2):
379.424
Net Slot Area (mm^2):
321.194

Slot Fill Factor (%):
79.4027
Limited Slot Fill Factor (%):
85
Wire Resistivity (ohm.mm^2/m):
0.0217
Top Free Space in Slot (%):
0
Bottom Free Space in Slot (%):
0
Conductor Length Adjustment (mm):  
11.9536
End Length Correction Factor
1
End Leakage Reactance Correction Factor
1

     ROTOR DATA

Number of Rotor Slots:
56
Air Gap (mm):  
1
Inner Diameter of Rotor (mm):  
130
Type of Rotor Slot:
Edited
Symmetric Slot
            Type Info
(mm)
            1       End Width:
0
                     Line Edge:
0
            2       Height:
0.6
                     End Width:
0
            3       End Width:
7.3
            4       End Width:
1.7
            2       Height:
4.6
                     End Width:
1.7
            3       End Width:
8.5
            2       Height:
34.96
                     End Width:
4.58
            4       End Width:
0

Cast Rotor:
Yes
Half Slot:
No

Length of Rotor (mm):  
460
Stacking Factor of Rotor Core:
0.98
Type of Steel:
DW465_50
Skew Width:
1.672
End Length of Bar (mm):  
0
Height of End Ring (mm):  
56
Width of End Ring (mm):  
22
Resistivity of Rotor Bar

  at 75 Centigrade (ohm.mm^2/m):
0.0263158
Resistivity of Rotor Ring

  at 75 Centigrade (ohm.mm^2/m):
0.0263158
Magnetic Shaft:
No

     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):  
7700
Rotor Core Steel Density (kg/m^3):  
7700

Armature Copper Weight (kg):  
78.7129
Rotor Bar Material Weight (kg):  
21.7996
Rotor Ring Material Weight (kg):  
6.05307
Armature Core Steel Weight (kg):  
255.012
Rotor Core Steel Weight (kg):  
222.91
Total Net Weight (kg):  
584.488

Armature Core Steel Consumption (kg):  
384.458
Rotor Core Steel Consumption (kg):  
427.65

     RATED-LOAD OPERATION

Stator Resistance (ohm):
0.0307612
Stator Resistance at 20C (ohm):
0.02377
Stator Leakage Reactance (ohm):
0.147077
Rotor Resistance (ohm):
0.017428
Rotor Resistance at 20C (ohm):
0.0134671
Rotor Leakage Reactance (ohm):
0.626081
Resistance Corresponding to

  Iron-Core Loss (ohm):
268.496
Magnetizing Reactance (ohm):
8.59016

Stator Phase Current (A):
140.927
Current Corresponding to

  Iron-Core Loss (A):
1.36215
Magnetizing Current (A):
42.5756
Rotor Phase Current (A):
124.343

Copper Loss of Stator Winding (W):
1832.8
Copper Loss of Rotor Winding (W):
808.378
Iron-Core Loss (W):
1494.54
Frictional and Windage Loss (W):
606.385
Stray Loss (W):
1320
Total Loss (W):
6062.1
Input Power (kW):
137.95
Output Power (kW):
131.888

Mechanical Shaft Torque (N.m):
1267.12
Efficiency (%):
95.6056
Power Factor:
0.850442
Rated Slip:
0.00606424
Rated Shaft Speed (rpm):
993.936

     NO-LOAD OPERATION

No-Load Stator Resistance (ohm):
0.0307612
No-Load Stator Leakage Reactance (ohm):
0.147257
No-Load Rotor Resistance (ohm):
0.0174098
No-Load Rotor Leakage Reactance (ohm):
1.96093

No-Load Stator Phase Current (A):
43.5331
No-Load Iron-Core Loss (W):
1558.98
No-Load Input Power (W):
3765.78
No-Load Power Factor:
0.0492825
No-Load Slip:
2.96106e-005
No-Load Shaft Speed (rpm):
999.97

     BREAK-DOWN OPERATION

Break-Down Slip:
0.026
Break-Down Torque (N.m):
2746.96
Break-Down Torque Ratio:
2.16788
Break-Down Phase Current (A):
401.361

     LOCKED-ROTOR OPERATION

Locked-Rotor Torque (N.m):
1783.79
Locked-Rotor Phase Current (A):
853.73
Locked-Rotor Torque Ratio:
1.40775
Locked-Rotor Current Ratio:
6.05794

Locked-Rotor Stator Resistance (ohm):
0.0307612
Locked-Rotor Stator

  Leakage Reactance (ohm):
0.135873
Locked-Rotor Rotor Resistance (ohm):
0.0916877
Locked-Rotor Rotor

  Leakage Reactance (ohm):
0.303345

     DETAILED DATA AT RATED OPERATION

Stator Slot Leakage Reactance (ohm):
0.100048
Stator End-Winding Leakage

  Reactance (ohm):
0.0218574
Stator Differential Leakage

  Reactance (ohm):
0.025172
Rotor Slot Leakage Reactance (ohm):
0.399497
Rotor End-Winding Leakage

  Reactance (ohm):
0.0144116
Rotor Differential Leakage

  Reactance (ohm):
0.0974696
Skewing Leakage Reactance (ohm):
0.114703

Stator Winding Factor:
0.925031

Stator-Teeth Flux Density (Tesla):
1.49811
Rotor-Teeth Flux Density (Tesla):
1.45177
Stator-Yoke Flux Density (Tesla):
1.28314
Rotor-Yoke Flux Density (Tesla):
0.818192
Air-Gap Flux Density (Tesla):
0.737505

Stator-Teeth Ampere Turns (A.T):
36.2906
Rotor-Teeth Ampere Turns (A.T):
36.4463
Stator-Yoke Ampere Turns (A.T):
16.8575
Rotor-Yoke Ampere Turns (A.T):
3.08525
Air-Gap Ampere Turns (A.T):
678.493

Correction Factor for Magnetic

  Circuit Length of Stator Yoke:
0.554847
Correction Factor for Magnetic

  Circuit Length of Rotor Yoke:
0.7
Saturation Factor for Teeth:
1.1072
Saturation Factor for Teeth & Yoke:
1.1366
Induced-Voltage Factor:
0.962451

Stator Current Density (A/mm^2):
2.99519
Specific Electric Loading (A/mm):
33.8362
Stator Thermal Load (A^2/mm^3):
101.346

Rotor Bar Current Density (A/mm^2):
1.72299
Rotor Ring Current Density (A/mm^2):
1.31378

Half-Turn Length of

  Stator Winding (mm):  
712

     WINDING ARRANGEMENT

The 3-phase, 2-layer winding can be arranged in 24 slots as below:

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Angle per slot (elec. degrees):
15
Phase-A axis (elec. degrees):
97.5
First slot center (elec. degrees):
0



     TRANSIENT FEA INPUT DATA

For one phase of the Stator Winding:
  Number of Turns:
264
  Parallel Branches:
6
  Terminal Resistance (ohm):
0.0307612
  End Leakage Inductance (H):
6.68007e-005
For Rotor End Ring Between Two Bars of One Side:
  Equivalent Ring Resistance (ohm):
3.70949e-007
  Equivalent Ring Inductance (H):
6.35088e-008
2D Equivalent Value:
  Equivalent Model Depth (mm):
460
  Equivalent Stator Stacking Factor:
0.988696
  Equivalent Rotor Stacking Factor:
0.98
Estimated Rotor Inertial Moment (kg m^2):
5.16618

wenzee

大侠们，请帮忙看看。

梦想在望

堵转转矩，会跟什么有关呢。我也不大懂。