求助关于 单相异步电机ANSOFT 软件的
今天设计的250W输入220V的电机 RMXPRT输出的结果是对的 但是创建有限元分析 设置后 输出的转速一直上不去,额定的是2800 但是这个只能到400 ,400后却翻转了 求高手帮忙提醒下 哪里错了谢谢 回复 1# fengxiaocanSingle-Phase Induction Motor Design
File: c:/新建文件夹/maxwell/default/lunwen2.pjt/lunwen2.res
GENERAL DATA
Rated Output Power (kW): 0.25
Rated Voltage (V): 220
Number of Poles: 2
Frequency (Hz): 50
Rated Speed (rpm): 2900
Friction and Wind Loss (W): 5.4
Type of Load: Constant Power
Iron Core Length (mm): 45
Stacking Factor of Iron Core: 0.95
Type of Steel: D23-50
Operating Temperature (C): 75
Rotor Position: Inner
Operation mode: Capacitor-Run Mode
Run Capacitance (uF): 8
& Its Resistance (ohm): 3.97887
Speed-Adjustment mode: No Speed-Adjustment
STATOR DATA
Number of Stator Slots: 24
Outer Diameter of Stator (mm): 120
Inner Diameter of Stator (mm): 60
Type of Stator Slot: 2
Dimension of Stator Slot
hs0 (mm): 0.75
hs1 (mm): 0.8
hs2 (mm): 10.05
bs0 (mm): 2.5
bs1 (mm): 4.55
bs2 (mm): 7.2
Top Tooth Width (mm): 3.70977
Bottom Tooth Width (mm): 3.69085
Main Aux.
Type of Coils: 31 31
Coil Position: Top Bot
Conductor Length Adjustment (mm): 1 5
Number of Parallel Branches: 1 1
Number of Wires per Conductor: 1 1
Number of Conductors per Slot:
slot # 1: 77 0
slot # 2: 72 41
slot # 3: 61 65
slot # 4: 47 85
slot # 5: 29 100
slot # 6: 0 107
Main-Phase Wire Diameter (mm): 0.6
Aux.-Phase Wire Diameter (mm): 0.45
Main-Phase Wire Wrap (mm): 0.06
Aux.-Phase Wire Wrap (mm): 0.04
Slot Insulation Thickness (mm): 0.25
ROTOR DATA
Number of Rotor Slots: 18
Air Gap (mm): 0.3
Inner Diameter of Rotor (mm): 20
Type of Rotor Slot: 1
Dimension of Rotor Slot
hr0 (mm): 0.2
hr01 (mm): 0
hr2 (mm): 5.75
br0 (mm): 0.2
br1 (mm): 5.2
br2 (mm): 3.2
Cast Rotor: Yes
Number of Vents: 0
Vent Diameter (mm): 0
Vent Location (mm): 0
Skew Width: 0
End Length of Bar (mm): 0.6
Height of End Ring (mm): 7
Width of End Ring (mm): 7
Bar Resistivity (ohm.mm^2/m): 0.0434
End_Ring Resistivity (ohm.mm^2/m): 0.0434
Rotor Core Length (mm): 45
Rotor Stacking Factor 0.95
Rotor Steel Type D23-50
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): 7820
Rotor Core Steel Density (kg/m^3): 7820
Main Winding Copper Weight (kg): 0.431898
Auxiliary Winding Copper Weight (kg): 0.388683
Rotor Bar Material Weight (kg): 0.0871848
Rotor Ring Material Weight (kg): 0.0432258
Armature Core Steel Weight (kg): 2.16094
Rotor Core Steel Weight (kg): 0.587734
Total Net Weight (kg): 3.69967
Armature Core Steel Consumption (kg): 4.11248
Rotor Core Steel Consumption (kg): 0.945225
RATED OPERATION
Main-Phase Resistance (ohm): 13.1724
Aux.-Phase Resistance (ohm): 37.4659
Main Leakage Reactance (ohm): 6.844
Aux. Leakage Reactance (ohm): 16.2468
Rotor Resistance (ohm): 16.3345
Rotor Leakage Reactance (ohm): 7.18741
Magnetizing Reactance (ohm): 182.649
Turn Ratio of Aux. to Main-Coil: 1.39055
Stator Line Current (A): 1.67455
Main-Phase Current (A): 1.33593
Aux.-Phase Current (A): 0.956844
Phase Shift between Main
and Aux. Currents (degrees): 90.8011
Capacitor Voltage (V): 380.716
Capacitor Loss (W): 3.64286
Copper Loss of Stator Winding (W): 57.8109
Copper Loss of Rotor Winding (W): 12.4842
Iron-Core Loss (W): 17.603
Friction & Wind Loss (W): 5.08177
Total Loss (W): 96.6227
Input Power (W): 345.65
Output Power (W): 249.028
Mechanical Shaft Torque (N.m): 0.836785
Efficiency (%): 72.0461
Power Factor: 0.938247
Rated Slip: 0.0527083
Rated Shaft Speed (rpm): 2841.88
NO-LOAD OPERATION
Main Leakage Reactance (ohm): 6.62334
Aux. Leakage Reactance (ohm): 15.8209
Rotor Leakage Reactance (ohm): 6.35915
Magnetizing Reactance (ohm): 145.366
No-Load Stator Line Current (A): 1.28355
No-Load Main-Phase Current (A): 1.78496
No-Load Aux.-Phase Current (A): 1.06306
Phase Shift between No-Load Main
and Aux. Currents (degrees): 137.548
No-Load Iron-Core Loss (W): 19.5698
No-Load Input Power (W): 128.038
No-Load Power Factor: 0.453423
No-Load Slip: 0.00205892
No-Load Shaft Speed (rpm): 2993.82
BREAK-DOWN OPERATION
Break-Down Slip: 0.28
Break-Down Torque (N.m): 1.91165
Break-Down Torque Ratio: 2.28451
LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 0.516624
Locked-Rotor Line Current (A): 6.88693
Locked-Rotor Torque Ratio: 0.617392
Locked-Rotor Current Ratio: 4.11271
Locked-Rotor Main-Phase Current (A): 7.03173
Locked-Rotor Aux.-Phase Current (A): 0.590646
Phase Shift between Locked-Rotor Main
and Aux. Currents (degrees): 107.198
DETAILED DATA AT RATED OPERATION
Main Slot Leakage Reactance (ohm): 1.62377
Main End-Winding Leakage
Reactance (ohm): 4.13925
Main Differential Leakage
Reactance (ohm): 1.08098
Aux. Slot Leakage Reactance (ohm): 4.72406
Aux. End-Winding Leakage
Reactance (ohm): 9.43621
Aux. Differential Leakage
Reactance (ohm): 2.08657
Rotor Slot Leakage Reactance (ohm): 3.2521
Rotor End-Winding Leakage
Reactance (ohm): 2.06935
Rotor Differential Leakage
Reactance (ohm): 1.86596
Skewing Leakage Reactance (ohm): 0
Main-Phase Winding Factor: 0.807569
Aux.-Phase Winding Factor: 0.806953
Stator-Teeth Flux Density (Tesla): 1.52103
Rotor-Teeth Flux Density (Tesla): 1.79159
Stator-Yoke Flux Density (Tesla): 1.5223
Rotor-Yoke Flux Density (Tesla): 1.45414
Air-Gap Flux Density (Tesla): 0.671257
Stator-Teeth Ampere Turns (A.T): 26.7675
Rotor-Teeth Ampere Turns (A.T): 97.8804
Stator-Yoke Ampere Turns (A.T): 86.2887
Rotor-Yoke Ampere Turns (A.T): 7.25365
Air-Gap Ampere Turns (A.T): 215.1
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.458443
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 0.248358
Saturation Factor for Teeth: 1.57949
Saturation Factor for Teeth & Yoke: 2.01436
Induced-Voltage Factor: 0.925853
Mean Half-Turn Length of
Main-Phase Winding (mm): 150.028
Mean Half-Turn Length of
Aux.-Phase Winding (mm): 172.484
Main Winding Current Density (A/mm^2): 4.72489
Aux. Winding Current Density (A/mm^2): 6.01625
Specific Electric Loading (A/mm): 16.1892
Mean Stator Thermal Load (A^2/mm^3): 86.9283
Fill-Factor Thermal-Load
(%) (A^2/mm^3)
Slot # 1 50.562 61.884
Slot # 2 62.119 87.916
Slot # 3 63.582 96.667
Slot # 4 61.628 100.074
Slot # 5 55.237 96.602
Slot # 6 38.728 78.426
TRANSIENT FEA INPUT DATA
For Main Winding:
Number of Turns: 572
Parallel Branches: 1
Terminal Resistance (ohm): 13.1724
End Leakage Inductance (H): 0.0131757
For Aux. Winding:
Number of Turns: 796
Parallel Branches: 1
Terminal Resistance (ohm): 37.4659
End Leakage Inductance (H): 0.0300364
Starting Capacitance (uF): 0
Running Capacitance (uF): 8
Switch Speed (rpm): 0
For Rotor End Ring Between Two Bars of One Side:
End Ring Resistance (ohm): 7.27326e-006
End Ring Leakage Inductance (H): 4.11536e-009
End Bar Resistance (ohm): 8.08865e-008
End Bar Inductance (H): 1.21173e-010
Skew Leakage Inductance (H): 0
2D Equivalent Value:
Equivalent Air-Gap Length (mm): 45
Equivalent Stator Stacking Factor: 0.95
Equivalent Rotor Stacking Factor: 0.95
Estimated Rotor Moment of Inertia (kg m^2): 0.000428996 你这样描述能说明问题么? 那好 我回答一下你ansoft maxwell求解错了 楼主能交流下这个电机吗?我发现你设计的有问题
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