异步电机
哪位大神能解释，设计异步电机时，电机的输出功率与额定功率不一致，是啥原因，而上课所的计算就没问题，谢谢 16,2 12.2版本Given Output Power (kW): 220 Given Output Power (kW): 220
Rated Voltage (V): 6000 Rated Voltage (V): 6000
Winding Connection: Wye Winding Connection: Wye
Number of Poles: 4 Number of Poles: 4
Given Speed (rpm): 1460 Given Speed (rpm): 1480
Frequency (Hz): 50 Frequency (Hz): 50
Stray Loss (W): 1276 Stray Loss (W): 1276
Frictional Loss (W): 1100 Frictional Loss (W): 1100
Windage Loss (W): 0 Windage Loss (W): 0
Operation Mode: Motor Type of Load: Fan Load
Type of Load: Fan Load Operating Temperature (C): 75
Operating Temperature (C): 75
STATOR DATA
STATOR DATA
Number of Stator Slots: 60 Number of Stator Slots: 60
Outer Diameter of Stator (mm): 590 Outer Diameter of Stator (mm): 590
Inner Diameter of Stator (mm): 360 Inner Diameter of Stator (mm): 360
Type of Stator Slot: 6 Type of Stator Slot: 6
Stator Slot Dimension of Stator Slot
hs0 (mm): 0.7 hs0_stator (mm): 0.7
hs1 (mm): 3 hs1_stator (mm): 3
hs2 (mm): 61.6 hs2_stator (mm): 61.6
bs1 (mm): 13.5 bs1_stator (mm): 13.5
bs2 (mm): 10.9 bs2_stator (mm): 10.9
Top Tooth Width (mm): 7.94724 Top Tooth Width (mm): 7.94724
Bottom Tooth Width (mm): 14.7823 Bottom Tooth Width (mm): 14.7823
Length of Stator Core (mm): 340 Length of Stator Core (mm): 340
Stacking Factor of Stator Core: 0.97 Stacking Factor of Stator Core: 0.97
Type of Steel: 50WW350 Type of Steel: DW465-50
Number of lamination sectors 0 Number of lamination sectors 0
Press board thickness (mm): 0 Press board thickness (mm): 0
Magnetic press board No Magnetic press board No
Number of Parallel Branches: 1 Number of Conductors per Slot: 32
Type of Coils: 21 Number of Parallel Branches: 1
Coil Pitch: 13 Number of Wires per Conductor: 1
Number of Conductors per Slot: 32 Type of Coils: 21
Number of Wires per Conductor: 1 Coil Pitch: 13
Limited Wires per Coil Side: 18 Wire Wrap Thickness (mm): 0.5
in width direction 1 Height of a Wire (mm): 1
in thickness direction 18 Width of a Wire (mm): 6.3
Wire Width (mm): 6.3 Radius of a Wire (mm): 0.5
Wire Thickness (mm): 1 Slot Insulation Thickness (mm): 1.6
Wire Wrap Thickness (mm): 0.5 Layer Insulation Thickness (mm): 1.6
Wire Direction in Slot: Horizontal Top Free Space in Slot (%): 0
Coil Wrap (mm): 1.6 Bottom Free Space in Slot (%): 0
Coil Width (mm): 10 Conductor Length Adjustment (mm): 95
Coil Height (mm): 30.2 End Length Correction Factor 1
End Leakage Reactance Correction Factor 1
Bottom Insulation (mm): 0
Wedge Thickness (mm): 3
Slot Liner Thickness (mm): 0
Layer Insulation (mm): 0
Slot Area (mm^2): 715.67
Slot Fill Factor (%): 76.7928
Wire Resistivity (ohm.mm^2/m): 0.0217
Conductor Length Adjustment (mm): 95
End Length Correction Factor 1
End Leakage Reactance Correction Factor 1
ROTOR DATA ROTOR DATA
Number of Rotor Slots: 47 Number of Rotor Slots: 47
Air Gap (mm): 1.4 Air Gap (mm): 1.4
Inner Diameter of Rotor (mm): 180 Inner Diameter of Rotor (mm): 180
Type of Rotor Slot: 3 Type of Rotor Slot: 3
Rotor Slot Dimension of Rotor Slot
hs0 (mm): 1 hr0_top (mm): 1
hs1 (mm): 0.45 hr01_top (mm): 0
hs2 (mm): 9.55 hr1_top (mm): 0.45
bs0 (mm): 2 hr2_top (mm): 9.55
bs1 (mm): 4.5 br0_top (mm): 2
bs2 (mm): 4.5 br1_top (mm): 4.5
rs (mm): 0 br2_top (mm): 4.5
rr_top (mm): 0
Type of Rotor Bottom Slot: 3 Type of Bottom Rotor Slot: 3
Rotor Bottom Slot Dimension of Bottom Rotor Slot
hs0 (mm): 0 hr0_bottom (mm): 0
hs1 (mm): 0 hr1_bottom (mm): 0
hs2 (mm): 30 hr2_bottom (mm): 30
bs0 (mm): 4.5 br0_bottom (mm): 4.5
bs1 (mm): 10 br1_bottom (mm): 10
bs2 (mm): 6 br2_bottom (mm): 6
rs (mm): 0 rr_bottom (mm): 0
Cast Rotor: Yes Cast Rotor: Yes
Half Slot: No Half Slot: No
Length of Rotor (mm): 340 Length of Rotor (mm): 340
Stacking Factor of Rotor Core: 0.97 Stacking Factor of Rotor Core: 0.97
Type of Steel: 50WW350 Type of Steel: DW465-50
Skew Width: 0 Skew Width: 0
End Length of Bar (mm): 0 End Length of Bar (mm): 0
Height of End Ring (mm): 50 Height of End Ring (mm): 50
Width of End Ring (mm): 40 Width of End Ring (mm): 40
Resistivity of Rotor Bar Resistivity of Rotor Bar
at 75 Centigrade (ohm.mm^2/m): 0.0434783 at 75 Centigrade (ohm.mm^2/m): 0.0434783
Resistivity of Rotor Ring Resistivity of Rotor Ring
at 75 Centigrade (ohm.mm^2/m): 0.0434783 at 75 Centigrade (ohm.mm^2/m): 0.0434783
Magnetic Shaft: No Magnetic Shaft: No
MATERIAL CONSUMPTION MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3): 8900 Armature Copper Density (kg/m^3): 8900
Rotor Bar Material Density (kg/m^3): 2700 Rotor Bar Material Density (kg/m^3): 2700
Rotor Ring Material Density (kg/m^3): 2700 Rotor Ring Material Density (kg/m^3): 2700
Armature Core Steel Density (kg/m^3): 7700 Armature Core Steel Density (kg/m^3): 7700
Rotor Core Steel Density (kg/m^3): 7700 Rotor Core Steel Density (kg/m^3): 7700
Armature Copper Weight (kg): 95.1555 Armature Copper Weight (kg): 94.2488
Rotor Bar Material Weight (kg): 12.3586 Rotor Bar Material Weight (kg): 12.3586
Rotor Ring Material Weight (kg): 10.3552 Rotor Ring Material Weight (kg): 10.3552
Armature Core Steel Weight (kg): 326.751 Armature Core Steel Weight (kg): 314.549
Rotor Core Steel Weight (kg): 155.671 Rotor Core Steel Weight (kg): 155.671
Total Net Weight (kg): 600.291 Total Net Weight (kg): 587.183
Armature Core Steel Consumption (kg): 634.513 Armature Core Steel Consumption (kg): 634.513
Rotor Core Steel Consumption (kg): 258.486 Rotor Core Steel Consumption (kg): 258.486
RATED-LOAD OPERATION RATED-LOAD OPERATION
Stator Resistance (ohm): 2.08835 Stator Resistance (ohm): 2.06846
Stator Resistance at 20C (ohm): 1.71784 Stator Leakage Reactance (ohm): 11.696
Stator Leakage Reactance (ohm): 12.701 Rotor Resistance (ohm): 1.46766
Rotor Resistance (ohm): 1.46731 Rotor Leakage Reactance (ohm): 12.9385
Rotor Leakage Reactance (ohm): 8.22222 Resistance Corresponding to
Resistance Corresponding to Iron-Core Loss (ohm): 11937.7
Iron-Core Loss (ohm): 16525.7 Magnetizing Reactance (ohm): 353.909
Magnetizing Reactance (ohm): 355.725
Stator Phase Current (A): 25.8413
Stator Phase Current (A): 26.3685 Current Corresponding to
Current Corresponding to Iron-Core Loss (A): 0.274296
Iron-Core Loss (A): 0.197692 Magnetizing Current (A): 9.25224
Magnetizing Current (A): 9.18406 Rotor Phase Current (A): 23.037
Rotor Phase Current (A): 23.9765
Copper Loss of Stator Winding (W): 4143.77
Copper Loss of Stator Winding (W): 4356.08 Copper Loss of Rotor Winding (W): 2336.68
Copper Loss of Rotor Winding (W): 2530.55 Iron-Core Loss (W): 2694.5
Iron-Core Loss (W): 1937.58 Frictional and Windage Loss (W): 1103.31
Frictional and Windage Loss (W): 1117.94 Stray Loss (W): 1276
Stray Loss (W): 1276 Total Loss (W): 11554.3
Total Loss (W): 11218.2 Input Power (kW): 233.475
Input Power (kW): 242.135 Output Power (kW): 221.921
Output Power (kW): 230.917
Mechanical Shaft Torque (N.m): 1427.59
Mechanical Shaft Torque (N.m): 1486.1 Efficiency (%): 95.0512
Efficiency (%): 95.367 Power Factor: 0.864639
Power Factor: 0.878955 Rated Slip: 0.0103686
Rated Slip: 0.0107883 Rated Shaft Speed (rpm): 1484.45
Rated Shaft Speed (rpm): 1483.82
NO-LOAD OPERATION
NO-LOAD OPERATION
No-Load Stator Resistance (ohm): 2.06846
No-Load Stator Resistance (ohm): 2.08835 No-Load Stator Leakage Reactance (ohm): 11.698
No-Load Stator Leakage Reactance (ohm): 12.703 No-Load Rotor Resistance (ohm): 1.46729
No-Load Rotor Resistance (ohm): 1.46729 No-Load Rotor Leakage Reactance (ohm): 12.9932
No-Load Rotor Leakage Reactance (ohm): 8.27885
No-Load Stator Phase Current (A): 9.48053
No-Load Stator Phase Current (A): 9.40567 No-Load Iron-Core Loss (W): 2824.42
No-Load Iron-Core Loss (W): 2029.99 No-Load Input Power (W): 5705.21
No-Load Input Power (W): 4944.18 No-Load Power Factor: 0.0449554
No-Load Power Factor: 0.0375274 No-Load Slip: 4.56E-05
No-Load Slip: 4.74E-05 No-Load Shaft Speed (rpm): 1499.93
No-Load Shaft Speed (rpm): 1499.93
BREAK-DOWN OPERATION
BREAK-DOWN OPERATION
Break-Down Slip: 0.07
Break-Down Slip: 0.08 Break-Down Torque (N.m): 4265.49
Break-Down Torque (N.m): 5076.98 Break-Down Torque Ratio: 2.98789
Break-Down Torque Ratio: 3.41632 Break-Down Phase Current (A): 106.478
Break-Down Phase Current (A): 123
LOCKED-ROTOR OPERATION
LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 1898.57
Locked-Rotor Torque (N.m): 1029.88 Locked-Rotor Phase Current (A): 161.357
Locked-Rotor Phase Current (A): 183.205 Locked-Rotor Torque Ratio: 1.32991
Locked-Rotor Torque Ratio: 0.693013 Locked-Rotor Current Ratio: 6.24416
Locked-Rotor Current Ratio: 6.94789
Locked-Rotor Stator Resistance (ohm): 2.06846
Locked-Rotor Stator Resistance (ohm): 2.08835 Locked-Rotor Stator
Locked-Rotor Stator Leakage Reactance (ohm): 11.4931
Leakage Reactance (ohm): 12.4609 Locked-Rotor Rotor Resistance (ohm): 4.04065
Locked-Rotor Rotor Resistance (ohm): 1.67489 Locked-Rotor Rotor
Locked-Rotor Rotor Leakage Reactance (ohm): 9.35011
Leakage Reactance (ohm): 6.17934
DETAILED DATA AT RATED OPERATION
DETAILED DATA AT RATED OPERATION
Stator Slot Leakage Reactance (ohm): 4.43728
Stator Slot Leakage Reactance (ohm): 5.32219 Stator End-Winding Leakage
Stator End-Winding Leakage Reactance (ohm): 6.72465
Reactance (ohm): 6.84203 Stator Differential Leakage
Stator Differential Leakage Reactance (ohm): 0.534097
Reactance (ohm): 0.536786 Rotor Slot Leakage Reactance (ohm): 9.50475
Rotor Slot Leakage Reactance (ohm): 5.00996 Rotor End-Winding Leakage
Rotor End-Winding Leakage Reactance (ohm): 1.02893
Reactance (ohm): 0.795334 Rotor Differential Leakage
Rotor Differential Leakage Reactance (ohm): 2.40478
Reactance (ohm): 2.41689 Skewing Leakage Reactance (ohm): 0
Skewing Leakage Reactance (ohm): 0
Stator Winding Factor: 0.935772
Stator Winding Factor: 0.935772
Stator-Teeth Flux Density (Tesla): 1.41762
Stator-Teeth Flux Density (Tesla): 1.40704 Rotor-Teeth Flux Density (Tesla): 1.06907
Rotor-Teeth Flux Density (Tesla): 1.06109 Lower-Part Rotor-Teeth
Lower-Part Rotor-Teeth Flux Density (Tesla): 1.59737
Flux Density (Tesla): 1.58545 Stator-Yoke Flux Density (Tesla): 1.51795
Stator-Yoke Flux Density (Tesla): 1.50585 Rotor-Yoke Flux Density (Tesla): 1.58492
Rotor-Yoke Flux Density (Tesla): 1.57229 Air-Gap Flux Density (Tesla): 0.798507
Air-Gap Flux Density (Tesla): 0.792545
Stator-Teeth Ampere Turns (A.T): 33.3819
Stator-Teeth Ampere Turns (A.T): 27.5382 Rotor-Teeth Ampere Turns (A.T): 1.37425
Rotor-Teeth Ampere Turns (A.T): 1.10218 Lower-Part Rotor-Teeth
Lower-Part Rotor-Teeth Ampere Turns (A.T): 73.7543
Ampere Turns (A.T): 75.5603 Stator-Yoke Ampere Turns (A.T): 104.485
Stator-Yoke Ampere Turns (A.T): 96.6332 Rotor-Yoke Ampere Turns (A.T): 50.3269
Rotor-Yoke Ampere Turns (A.T): 50.9169 Air-Gap Ampere Turns (A.T): 1631.84
Air-Gap Ampere Turns (A.T): 1619.66
Correction Factor for Magnetic
Correction Factor for Magnetic Circuit Length of Stator Yoke: 0.407225
Circuit Length of Stator Yoke: 0.414981 Correction Factor for Magnetic
Correction Factor for Magnetic Circuit Length of Rotor Yoke: 0.249201
Circuit Length of Rotor Yoke: 0.250635 Saturation Factor for Teeth: 1.0665
Saturation Factor for Teeth: 1.06433 Saturation Factor for Teeth & Yoke: 1.16137
Saturation Factor for Teeth & Yoke: 1.15543 Induced-Voltage Factor: 0.945252
Induced-Voltage Factor: 0.943102
Stator Current Density (A/mm^2): 4.24644
Stator Current Density (A/mm^2): 4.33307 Specific Electric Loading (A/mm): 43.8695
Specific Electric Loading (A/mm): 44.7645 Stator Thermal Load (A^2/mm^3): 186.289
Stator Thermal Load (A^2/mm^3): 193.968
Rotor Bar Current Density (A/mm^2): 3.07446
Rotor Bar Current Density (A/mm^2): 3.19985 Rotor Ring Current Density (A/mm^2): 1.65178
Rotor Ring Current Density (A/mm^2): 1.71914
Half-Turn Length of
Half-Turn Length of Stator Winding (mm): 906.35
Stator Winding (mm): 915.068
WINDING ARRANGEMENT
WINDING ARRANGEMENT
The 3-phase, 2-layer winding can be arranged in 15 slots as below:
The 3-phase, 2-layer winding can be arranged in 15 slots as below:
AAAAAZZZZZBBBBB
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Angle per slot (elec. degrees): 12
Angle per slot (elec. degrees): 12 Phase-A axis (elec. degrees): 102
Phase-A axis (elec. degrees): 102 First slot center (elec. degrees): 0
First slot center (elec. degrees): 0
TRANSIENT FEA INPUT DATA
TRANSIENT FEA INPUT DATA
For one phase of the Stator Winding:
For one phase of the Stator Winding: Number of Turns: 320
Number of Turns: 320 Parallel Branches: 1
Parallel Branches: 1 Terminal Resistance (ohm): 2.06846
Terminal Resistance (ohm): 2.08835 End Leakage Inductance (H): 0.0214052
End Leakage Inductance (H): 0.0217789 For Rotor End Ring Between Two Bars of One Side:
For Rotor End Ring Between Two Bars of One Side: Equivalent Ring Resistance (ohm): 4.43E-07
Equivalent Ring Resistance (ohm): 4.43E-07 Equivalent Ring Inductance (H): 5.08E-09
Equivalent Ring Inductance (H): 3.93E-09 2D Equivalent Value:
2D Equivalent Value: Equivalent Model Depth (mm): 340
Equivalent Model Depth (mm): 340 Equivalent Stator Stacking Factor: 0.97
Equivalent Stator Stacking Factor: 0.97 Equivalent Rotor Stacking Factor: 0.97
Equivalent Rotor Stacking Factor: 0.97 Estimated Rotor Inertial Moment (kg m^2): 4.23857
Estimated Rotor Inertial Moment (kg m^2): 4.23857
上面是16.2和12.2两个版本计算数据，输出功率和输入功率不一致，判能有大神指导，谢谢
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