a8821244 发表于 2010-6-30 16:56

这个电机怎么样设计合理

电机外径 90mm 内径 47mm24槽   转子 内径 12mm   18槽   气隙 0.25mm   矽钢片材料Q195LT      要求输入功率350W(带负载) 电压230V 电流2A以内 冷却方式水冷,温升要求小于80K。 不知道用MASWELL怎么样设计更合理请高手指教 谢谢

a8821244 发表于 2010-7-1 15:18

GENERAL DATA
Rated Output Power (kW): 0.1
Rated Voltage (V): 230
Number of Poles: 2
Frequency (Hz): 50
Rated Speed (rpm): 2800
Frictional Loss (W): 2
Windage Loss (W): 0
Type of Load: Constant Power
Iron Core Length (mm):   32
Stacking Factor of Iron Core: 0.95
Type of Steel: steel_1010
Operating Temperature (C): 75
Rotor Position: Inner
Operation mode: Capacitor-Run Mode
Run Capacitance (uF): 10
& Its Resistance (ohm): 3.1831
Speed-Adjustment mode: No Speed-Adjustment
   STATOR DATA
Number of Stator Slots: 24
Outer Diameter of Stator (mm):   90
Inner Diameter of Stator (mm):   47
Type of Stator Slot: 2
Dimension of Stator Slot
            hs0 (mm):   1         
            hs1 (mm):   0.5      
            hs2 (mm):   6.221   
            bs0 (mm):   2         
            bs1 (mm):   4         
            bs2 (mm):   5.6      
Top Tooth Width (mm):   2.55497
Bottom Tooth Width (mm):   2.59267
Main      Aux.   
Type of Coils: 31      31      
Coil Position: Bot       Top
Conductor Length Adjustment (mm):   24      21      
Number of Parallel Branches: 1         1         
Number of Wires per Conductor: 1         1         
Number of Conductors per Slot:
            slot # 1: 125       0   
            slot # 2: 125       0   
            slot # 3: 125       0   
            slot # 4: 125       0   
            slot # 5: 0         122
            slot # 6: 0         122
Main-Phase Wire Diameter (mm):   0.41      
Aux.-Phase Wire Diameter (mm):   0.33      
Main-Phase Wire Wrap (mm):   0.04      
Aux.-Phase Wire Wrap (mm):   0.04      
Slot Insulation Thickness (mm):   0.25
Layer Insulation Thickness (mm):   0.25
Limited Slot Fill Factor (%): 75
Wire Resistivity (ohm.mm^2/m): 0.0217
   ROTOR DATA
Number of Rotor Slots: 18
Air Gap (mm):   0.25
Inner Diameter of Rotor (mm):   12
Type of Rotor Slot: 1
Dimension of Rotor Slot
            hr0 (mm):   0.7
            hr01 (mm):   0.7
            hr2 (mm):   4.9
            br0 (mm):   0.01
            br1 (mm):   4
            br2 (mm):   2.2
Cast Rotor: Yes
Number of Vents: 0
Vent Diameter (mm):   0
Vent Location (mm):   0
Skew Width: 1.78
End Length of Bar (mm):   0
Height of End Ring (mm):   3.5
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):   32
Rotor Stacking Factor 0.95
Rotor Steel Type steel_1010
Magnetic Shaft: No

   MATERIAL CONSUMPTION
Armature Wire Density (kg/m^3):   8900
Rotor Bar Density (kg/m^3):   2700
Rotor Ring Density (kg/m^3):   2700
Armature Core Steel Density (kg/m^3):   7872
Rotor Core Steel Density (kg/m^3):   7872
Main Winding Copper Weight (kg):   0.354868
Auxiliary Winding Copper Weight (kg):   0.116439
Rotor Bar Material Weight (kg):   0.036351
Rotor Ring Material Weight (kg):   0.0172903
Armature Core Steel Weight (kg):   0.844894
Rotor Core Steel Weight (kg):   0.278651
Total Net Weight (kg):   1.64849
Armature Core Steel Consumption (kg):   1.65459
Rotor Core Steel Consumption (kg):   0.415187
   RATED OPERATION
Main-Phase Resistance (ohm): 49.6388
Aux.-Phase Resistance (ohm): 38.809
Main Leakage Reactance (ohm): 17.5296
Aux. Leakage Reactance (ohm): 10.9721
Rotor Resistance (ohm): 87.3724
Rotor Leakage Reactance (ohm): 48.766
Magnetizing Reactance (ohm): 316.096
Turn Ratio of Aux. to Main-Coil: 0.563494
Stator Line Current (A): 0.926915
Main-Phase Current (A): 0.955329
Aux.-Phase Current (A): 0.87539
Phase Shift between Main
and Aux. Currents (degrees): 119.35
Capacitor Voltage (V): 278.645
Capacitor Loss (W): 2.43923
Copper Loss of Stator Winding (W): 75.0426
Copper Loss of Rotor Winding (W): 33.9461
Iron-Core Loss (W): 0.000140405
Frictional and Windage Loss (W): 1.76027
Total Loss (W): 113.188
Input Power (W): 213.151
Output Power (W): 99.9622
Mechanical Shaft Torque (N.m): 0.387347
Efficiency (%): 46.8974
Power Factor: 0.999813
Rated Slip: 0.178542
Rated Shaft Speed (rpm): 2464.38
   NO-LOAD OPERATION
Main Leakage Reactance (ohm): 17.1277
Aux. Leakage Reactance (ohm): 9.3839
Rotor Leakage Reactance (ohm): 40.1114
Magnetizing Reactance (ohm): 229.482
No-Load Stator Line Current (A): 0.803184
No-Load Main-Phase Current (A): 1.30186
No-Load Aux.-Phase Current (A): 0.96009
Phase Shift between No-Load Main
and Aux. Currents (degrees): 142.061
No-Load Iron-Core Loss (W): 0.000150764
No-Load Input Power (W): 160.017
No-Load Power Factor: 0.86621
No-Load Slip: 0.0230151
No-Load Shaft Speed (rpm): 2930.95
   BREAK-DOWN OPERATION
Break-Down Slip: 0.42
Break-Down Torque (N.m): 0.527142
Break-Down Torque Ratio: 1.3609
   LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 0.293112
Locked-Rotor Line Current (A): 1.65623
Locked-Rotor Torque Ratio: 0.756717
Locked-Rotor Current Ratio: 1.78682
Locked-Rotor Main-Phase Current (A): 1.71985
Locked-Rotor Aux.-Phase Current (A): 0.770806
Phase Shift between Locked-Rotor Main
and Aux. Currents (degrees): 107.764
   DETAILED DATA AT RATED OPERATION
Main Slot Leakage Reactance (ohm): 4.36623
Main End-Winding Leakage
Reactance (ohm): 11.6965
Main Differential Leakage
Reactance (ohm): 1.46679
Aux. Slot Leakage Reactance (ohm): 2.07958
Aux. End-Winding Leakage
Reactance (ohm): 3.09633
Aux. Differential Leakage
Reactance (ohm): 5.79621
Rotor Slot Leakage Reactance (ohm): 28.1722
Rotor End-Winding Leakage
Reactance (ohm): 5.67041
Rotor Differential Leakage
Reactance (ohm): 3.33518
Skewing Leakage Reactance (ohm): 11.5882
Main-Phase Winding Factor: 0.82936
Aux.-Phase Winding Factor: 0.957662
Stator-Teeth Flux Density (Tesla): 1.61726
Rotor-Teeth Flux Density (Tesla): 1.71664
Stator-Yoke Flux Density (Tesla): 1.4989
Rotor-Yoke Flux Density (Tesla): 2.00248
Air-Gap Flux Density (Tesla): 0.632855
Stator-Teeth Ampere Turns (A.T): 34.1525
Rotor-Teeth Ampere Turns (A.T): 49.6986
Stator-Yoke Ampere Turns (A.T): 85.9439
Rotor-Yoke Ampere Turns (A.T): 86.5412
Air-Gap Ampere Turns (A.T): 168.778
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.46944
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 0.148425
Saturation Factor for Teeth: 1.49681
Saturation Factor for Teeth & Yoke: 2.51878
Induced-Voltage Factor: 0.835972
Mean Half-Turn Length of
Main-Phase Winding (mm):   151.004
Mean Half-Turn Length of
Aux.-Phase Winding (mm):   156.726
Main Winding Current Density (A/mm^2): 7.23595
Aux. Winding Current Density (A/mm^2): 10.2349
Specific Electric Loading (A/mm): 18.7264
Mean Stator Thermal Load (A^2/mm^3): 152.856
Fill-Factor    Thermal-Load
    (%)         (A^2/mm^3)
            Slot # 1 74.908         140.450      
            Slot # 2 74.908         140.450      
            Slot # 3 74.908         140.450      
            Slot # 4 74.908         140.450      
            Slot # 5 49.426         177.668      
            Slot # 6 49.426         177.668      

   TRANSIENT FEA INPUT DATA
For Main Winding:
Number of Turns: 1000
Parallel Branches: 1
Terminal Resistance (ohm): 49.6388
End Leakage Inductance (H): 0.0372313
For Aux. Winding:
Number of Turns: 488
Parallel Branches: 1
Terminal Resistance (ohm): 38.809
End Leakage Inductance (H): 0.00985592
Starting Capacitance (uF): 0
Running Capacitance (uF): 10
Switch Speed (rpm): 0
For Rotor End Ring Between Two Bars of One Side:
End Ring Resistance (ohm): 1.23752e-005
End Ring Leakage Inductance (H): 3.37711e-009
Skew Leakage Inductance (H): 6.72128e-009
2D Equivalent Value:
Equivalent Model Depth (mm): 32
Equivalent Stator Stacking Factor: 0.95
Equivalent Rotor Stacking Factor: 0.95



以上我自己设计参数, 实际测试输入功率(带负载) 270W低了,温升70K   但是转速低,水泵性能不达标。   不知怎么更改更合理 请高手指点 谢谢
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