Rmxprt 直流电机问题
PERMANENT MAGNET DC MOTOR DESIGNFile: Setup1.res
GENERAL DATA
Rated Output Power (kW): 0.3
Rated Voltage (V): 220
Number of Poles: 2
Given Rated Speed (rpm): 4150
Frictional Loss (W): 2.73512
Windage Loss (W): 0
Brush Displacement: 0
One-Pair Brush Voltage Drop (V): 2
Type of Load: Constant Power
Operating Temperature (C): 75
ROTOR DATA
Number of Rotor Slots: 16
Outer Diameter of Rotor (mm): 52.4
Inner Diameter of Rotor (mm): 10
Type of Rotor Slot: 2
Dimension of Rotor Slot
hr0 (mm): 1.03
hr1 (mm): 0.75
hr2 (mm): 10.94
br0 (mm): 2.5
br1 (mm): 7.17
br2 (mm): 2.81
Top Tooth Width (mm): 2.48434
Bottom Tooth Width (mm): 2.49199
Skew Width (Number of Slots): 0
Length of Rotor Core (mm): 45
Stacking Factor of Rotor Core: 1
Type of Steel: D23_50
Slot Insulation Thickness (mm): 0
Layer Insulation Thickness (mm): 0
End Length Adjustment (mm): 0
Number of Virtual Slots per Slot: 2
Number of Conductors per Slot: 292
Type of Armature Winding: Lap Winding
Multiplex Number: 1
Coil Pitch (Virtual Slots): 7
Number of Wires per Conductor: 1
Wire Diameter (mm): 0.381
Wire Wrap Thickness (mm): 0
Number of Parallel Branches: 2
Net Slot Area (mm^2): 57.6914
Limited Slot Fill Factor (%): 75
Slot Fill Factor (%): 73.472
STATOR DATA
Minimum Air Gap (mm): 0.5
Outer Diameter (mm): 77.5
Length of Stator (mm): 107
Stacking Factor of Iron Core: 1
Type of Steel: steel_1008
Polar Arc Offset (mm): 0
Polar Arc Radius (mm): 26.7
Physical Pole Embrace: 0.726
Computed Pole Embrace: 0.725807
Max. Thickness of Magnet (mm): 9
Length of Magnet (mm): 52
Type of Magnet: Y30
PERMANENT MAGNET DATA
Residual Flux Density (Tesla): 0.4
Coercive Force (kA/m): 188
Maximum Energy Density (kJ/m^3): 28.0001
Relative Recoil Permeability: 1.09991
Demagnetized Flux Density (Tesla): 0.169531
Recoil Residual Flux Density (Tesla): 0.376299
Recoil Coercive Force (kA/m): 272.256
COMMUTATOR & BRUSH DATA
Type of Commutator: Cylinder Type
Commutator Diameter (mm): 28.2
Commutator Length (mm): 15
Commutator Insulation (mm): 0.5
Brush Width (mm): 6.5
Brush Length (mm): 7
Number of Brush Pairs: 1
Press per Unit Area (g/mm^2): 2
Frictional Coefficient: 0.25
Magnetic Shaft: No
MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3): 8900
Permanent Magnet Density (kg/m^3): 7800
Armature Core Steel Density (kg/m^3): 7820
Rotor Core Steel Density (kg/m^3): 7872
Armature Copper Weight (kg): 0.400368
Permanent Magnet Weight (kg): 0.519531
Armature Core Steel Weight (kg): 0.371498
Stator Core Steel Weight (kg): 0.600874
Total Net Weight (kg): 1.89227
Armature Core Steel Consumption (kg): 1.08004
Stator Core Steel Consumption (kg): 0.600874
NO-LOAD MAGNETIC DATA
Rotor-Teeth Flux Density (Tesla): 1.6377
Rotor-Yoke Flux Density (Tesla): 1.56831
Stator-Yoke Flux Density (Tesla): 1.63126
Air-Gap Flux Density (Tesla): 0.387442
Magnet Flux Density (Tesla): 0.325265
Rotor-Teeth Ampere Turns (A.T): 55.8661
Rotor-Yoke Ampere Turns (A.T): 15.905
Stator-Yoke Ampere Turns (A.T): 80.2195
Air-Gap Ampere Turns (A.T): 180.41
Magnet Ampere Turns (A.T): -332.311
Armature Reactive Ampere Turns
at Start Operation (A.T): 7322.94
Leakage-Flux Factor: 1
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 0.375324
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.363019
No-Load Speed (rpm): 4340.46
No-Load Current (A): 0.0269393
No-Load Input Power (W): 5.92665
Torque Constant KT (Nm/A): 0.478583
Back-EMF Constant KE (Vs/rad): 0.478583
Cogging Torque (N.m): 0.0374376
FULL-LOAD DATA
Input Current (A): 1.60575
Armature Current (A): 0.802876
Armature Thermal Load (A^2/mm^3): 160.464
Specific Electric Loading (A/mm): 22.7861
Armature Current Density (A/mm^2): 7.0422
Frictional and Windage Loss (W): 2.49969
Iron-Core Loss (W): 2.49445
Armature Copper Loss (W): 44.8271
Brush Loss (W): 3.2115
Total Loss (W): 53.0327
Output Power (W): 300.233
Input Power (W): 353.265
Efficiency (%): 84.9879
Rated Speed (rpm): 3792.78
Rated Torque (N.m): 0.755912
Locked-Rotor Torque (N.m): 6.00109
Locked-Rotor Current (A): 12.5393
COMMUTATING DATA
Induced Voltage by Inductance (V): 5.31453
Induced Voltage
by Armature Reaction Field (V): 3.45652
Induced Voltage by Main Field (V): 0.00392496
Total Induced Voltage (V): 8.77497
TRANSIENT FEA INPUT DATA
For Armature Winding:
Number of Turns: 2336
Parallel Branches: 2
Terminal Resistance (ohm): 17.3854
End Leakage Inductance (H): 0.0157753
For One Armature Coil:
Number of Turns: 146
Parallel Branches: 1
Terminal Resistance (ohm): 4.69385
End Leakage Inductance (H): 0.00394382
2D Equivalent Value:
Equivalent Model Depth (mm): 45
Equivalent Stator Stacking Factor: 2.37778
Equivalent Rotor Stacking Factor: 1
Equivalent Br (Tesla): 0.384661
Equivalent Hc (kA/m): 272.256
Estimated Rotor Inertial Moment (kg m^2): 0.000259796
新手,有几个问题: 1. GIVED Rated Speed 4150. 2. No-load speed 43403.RatedSpeed 3792.78. 问题1.给定的是额定转速为4150,算出的是3792; No -Speed为4340,实际做出的电机转速为5200左右.3.存在的差别是直接改变绕组匝数和线径来改变吗 4.槽满率一般去多少比较合适5.端部线包高度和转子外径一般去怎样的比例.
新手迷惑,请高手指点 没有人么{:soso_e115:}
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