rmxprt 计算出入
PERMANENT MAGNET DC MOTOR DESIGNFile: Setup1.res
GENERAL DATA
Rated Output Power (kW): 0.096
Rated Voltage (V): 12
Number of Poles: 2
Given Rated Speed (rpm): 6100
Frictional Loss (W): 0
Windage Loss (W): 0
Brush Displacement: 0
One-Pair Brush Voltage Drop (V): 1.5
Type of Load: Constant Power
Operating Temperature (C): 75
ROTOR DATA
Number of Rotor Slots: 12
Outer Diameter of Rotor (mm): 44
Inner Diameter of Rotor (mm): 9
Type of Rotor Slot: 2
Dimension of Rotor Slot
hr0 (mm): 0.71
hr1 (mm): 0.81
hr2 (mm): 9.44
br0 (mm): 2.5
br1 (mm): 8.57
br2 (mm): 3.44
Top Tooth Width (mm): 2.30485
Bottom Tooth Width (mm): 2.37354
Skew Width (Number of Slots): 0
Length of Rotor Core (mm): 41
Stacking Factor of Rotor Core: 0.95
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: 1
Number of Conductors per Slot: 20
Type of Armature Winding: Lap Winding
Multiplex Number: 2
Coil Pitch (Virtual Slots): 6
Number of Wires per Conductor: 2
Wire Diameter (mm): 0.9
Wire Wrap Thickness (mm): 0
Number of Parallel Branches: 4
Net Slot Area (mm^2): 61.3342
Limited Slot Fill Factor (%): 75
Slot Fill Factor (%): 52.8253
STATOR DATA
Minimum Air Gap (mm): 0.35
Outer Diameter (mm): 64.3
Length of Stator (mm): 95
Stacking Factor of Iron Core: 0.95
Type of Steel: steel_1008
Polar Arc Offset (mm): 0
Polar Arc Radius (mm): 22.35
Physical Pole Embrace: 0.726
Computed Pole Embrace: 0.725916
Max. Thickness of Magnet (mm): 6.5
Length of Magnet (mm): 56
Type of Magnet: Y30BH
PERMANENT MAGNET DATA
Residual Flux Density (Tesla): 0.39
Coercive Force (kA/m): 232
Maximum Energy Density (kJ/m^3): 27
Relative Recoil Permeability: 1.1004
Demagnetized Flux Density (Tesla): 0.15501
Recoil Residual Flux Density (Tesla): 0.377954
Recoil Coercive Force (kA/m): 273.331
COMMUTATOR & BRUSH DATA
Type of Commutator: Cylinder Type
Commutator Diameter (mm): 22.5
Commutator Length (mm): 20
Commutator Insulation (mm): 0.5
Brush Width (mm): 8
Brush Length (mm): 15
Number of Brush Pairs: 1
Press per Unit Area (g/mm^2): 0.25
Frictional Coefficient: 0
Magnetic Shaft: Yes
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): 0.311984
Permanent Magnet Weight (kg): 0.331553
Armature Core Steel Weight (kg): 0.196704
Stator Core Steel Weight (kg): 0.449289
Total Net Weight (kg): 1.28953
Armature Core Steel Consumption (kg): 0.672837
Stator Core Steel Consumption (kg): 3.21783
NO-LOAD MAGNETIC DATA
Rotor-Teeth Flux Density (Tesla): 1.91174
Rotor-Yoke Flux Density (Tesla): 0.984302
Stator-Yoke Flux Density (Tesla): 1.27355
Air-Gap Flux Density (Tesla): 0.362588
Magnet Flux Density (Tesla): 0.311563
Rotor-Teeth Ampere Turns (A.T): 170.441
Rotor-Yoke Ampere Turns (A.T): 1.89304
Stator-Yoke Ampere Turns (A.T): 19.9652
Air-Gap Ampere Turns (A.T): 119.752
Magnet Ampere Turns (A.T): -312.086
Armature Reactive Ampere Turns
at Start Operation (A.T): 6064.74
Leakage-Flux Factor: 1
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 0.658787
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.605316
No-Load Speed (rpm): 6918.35
No-Load Current (A): 0.293717
No-Load Input Power (W): 3.5246
Torque Constant KT (Nm/A): 0.0144825
Back-EMF Constant KE (Vs/rad): 0.0144825
Cogging Torque (N.m): 0.0285416
FULL-LOAD DATA
Input Current (A): 9.67987
Armature Current (A): 2.41997
Armature Thermal Load (A^2/mm^3): 7.99139
Specific Electric Loading (A/mm): 4.20163
Armature Current Density (A/mm^2): 1.90197
Frictional and Windage Loss (W): 0
Iron-Core Loss (W): 2.97543
Armature Copper Loss (W): 2.43336
Brush Loss (W): 14.5198
Total Loss (W): 19.9286
Output Power (W): 96.2298
Input Power (W): 116.158
Efficiency (%): 82.8436
Rated Speed (rpm): 6757.63
Rated Torque (N.m): 0.135984
Locked-Rotor Torque (N.m): 5.85549
Locked-Rotor Current (A): 404.316
COMMUTATING DATA
Induced Voltage by Inductance (V): 0.64614
Induced Voltage
by Armature Reaction Field (V): 0.337233
Induced Voltage by Main Field (V): -0
Total Induced Voltage (V): 0.983373
TRANSIENT FEA INPUT DATA
For Armature Winding:
Number of Turns: 120
Parallel Branches: 4
Terminal Resistance (ohm): 0.0259698
End Leakage Inductance (H): 1.28302e-005
For One Armature Coil:
Number of Turns: 10
Parallel Branches: 1
Terminal Resistance (ohm): 0.0391572
End Leakage Inductance (H): 1.71069e-005
2D Equivalent Value:
Equivalent Model Depth (mm): 41
Equivalent Stator Stacking Factor: 2.20122
Equivalent Rotor Stacking Factor: 0.95
Equivalent Br (Tesla): 0.384407
Equivalent Hc (kA/m): 273.331
Estimated Rotor Inertial Moment (kg m^2): 0.000117676
空载电流很小,堵转电流很大.实际要求是额定转矩0.146N.M,额定电流12A
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