Project 2
I have designed a 28Kw permanent magnet synchronous motor using Ansys rmxprt and altair flux motor.
Few key point of highlight are:
IPM ADJUSTABLE-SPEED SYNCHRONOUS MOTOR DESIGN
File: Setup1.res
GENERAL DATA
Operation Type: Motor
Source Type: AC
Rated Output Power (kW): 28
Rated Power Factor: 0.8
Capacitive Power Factor: No
Frequency (Hz): 173.333
Rated Voltage (V): 300
Load Type: Const Power
Rated Speed (rpm): 2600
Operating Temperature (C): 75
STATOR DATA
Stator Core Type: SLOT_AC
Stator Position: Outer
Number of Poles: 8
Outer Diameter of Stator (mm): 214
Inner Diameter of Stator (mm): 145
Length of Stator Core (mm): 136
Stacking Factor of Stator Core: 0.95
Steel Type of Stator: steel_1008
Skew Width (deg): 1
Number of Stator Slots: 48
Type of Stator Slot: 1
Stator Slot
hs0 (mm): 0.5
hs2 (mm): 18.0957
bs0 (mm): 1
bs1 (mm): 4.9006
bs2 (mm): 7.27271
Top Tooth Width (mm): 4.9723
Bottom Tooth Width (mm): 4.9723
STATOR WINDING DATA
Number of Phases: 3
Winding Connection: Y3
Number of Parallel Branches: 1
Number of Layers: 2
Winding Type: Whole Coiled
Coil Pitch: 6
Winding Factor: 0.965926
Number of Conductors per Slot: 6
Number of Wires per Conductor: 18
Wire Diameter (mm): 0.965
Wire Wrap Thickness (mm): 0
Wedge Thickness (mm): 0
Slot Liner Thickness (mm): 0
Layer Insulation (mm): 0
Slot Area (mm^2): 140.809
Net Slot Area (mm^2): 140.309
Slot Fill Factor (%): 71.6789
Limited Slot Fill Factor (%): 75
Coil Half-Turn Length (mm): 214.544
End Length Adjustment (mm): 0
End-Coil Clearance (mm): 0
Conductor Type of Stator: copper
Conductor Resistivity at 75C (ohm.mm^2/m): 0.020797
ROTOR DATA
Rotor Core Type: PM_INTERIOR
Rotor Position: Inner
Number of Poles: 8
Outer Diameter of Rotor (mm): 143.2
Inner Diameter of Rotor (mm): 100
Length of Rotor Core (mm): 136
Stacking Factor of Rotor Core: 0.95
Steel Type of Rotor: steel_1008
Rotor Pole Type: 2
Rotor Pole Dimensions:
D1 (mm): 140
O1 (mm): 0
O2 (mm): 12
B1 (mm): 4
Rib (mm): 3
HRib (mm): 0
Magnet Thickness (mm): 6
Magnet Width per Pole (mm): 46
Magnet Type: NdFe35
Maximum Magnet Width per Pole (mm): 46.6476
SHAFT DATA
Magnetic Shaft: Yes
Friction Loss (W): 4
Windage Loss/Power (W): 4
Reference Speed (rpm): 2600
PERMANENT MAGNET DATA
Residual Flux Density (Tesla): 1.23
Coercive Force (kA/m): 890
Maximum Energy Density (kJ/m^3): 273.675
Relative Recoil Permeability: 1.09981
Demagnetized Flux Density (Tesla): 0
Recoil Residual Flux Density (Tesla): 1.23
Recoil Coercive Force (kA/m): 890
MATERIAL CONSUMPTION
Stator Wire Density (kg/m^3): 8933
Stator Core Steel Density (kg/m^3): 7872
Rotor Magnet Density (kg/m^3): 7400
Rotor Core Steel Density (kg/m^3): 7872
Stator Copper Weight (kg): 7.26645
Stator Core Steel Weight (kg): 12.9129
Rotor Core Steel Weight (kg): 6.03885
Rotor Magnet Weight (kg): 2.22213
Stator Net Weight (kg): 20.1793
Rotor Net Weight (kg): 8.26098
Stator Core Steel Consumption (kg): 31.5121
Rotor Core Steel Consumption (kg): 16.3804
UNSATURATED PARAMETERS
Stator Resistance R1 (ohm): 0.0325365
Stator Resistance at 20C (ohm): 0.0267639
Stator Leakage Inductance L1 (H): 0.000336526
Slot Leakage Inductance Ls1 (H): 0.000242548
End Leakage Inductance Le1 (H): 2.70057e-05
Spread Harmonic Inductance Ld1 (H): 6.69723e-05
Muture Slot Leakage Inductance Lsm (H): 0
Uniform Air-gap Magnetizing Inductance Lm (H): 0.00347757
D-axis Armature Reactive Inductance Lad (H): 0.00141095
Q-axis Armature Reactive Inductance Laq (H): 0.00311881
D-axis Armature synchronous Inductance Ld (H): 0.00174748
Q-axis Armature synchronous Inductance Lq (H): 0.00345534
NO-LOAD MAGNETIC DATA
Stator Tooth Flux Density (Tesla): 1.11994
Stator Yoke Flux Density (Tesla): 1.59751
Rotor Top-Tooth Flux Density (Tesla): 0.828607
Rotor Yoke Flux Density (Tesla): 0.600245
Magnet Flux Density (Tesla): 0.973429
Air-Gap Flux Density (Tesla): 0.651436
Stator Tooth Ampere Turns (A.T): 12.6176
Stator Yoke Ampere Turns (A.T): 53.2685
Rotor Top-Tooth Ampere Turns (A.T): 1.71535
Rotor Yoke Ampere Turns (A.T): 9.58181
Magnet Ampere Turns (A.T): -556.946
Air-Gap Ampere Turns (A.T): 477.233
Total Ampere Turn Drop (A.T): -2.52933
Leakage-Flux Factor: 1.30958
Saturation Factor: 1.16173
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.292482
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 1
FULL-LOAD ELECTRIC DATA
Root-Mean-Square Armature Current (A): 59.5386
Armature Thermal Load (A^2/mm^3): 171.3
Specific Electric Loading (A/mm): 37.8771
Armature Current Density (A/mm^2): 4.52253
Frictional and Windage Loss (W): 8
Iron-Core Loss (W): 0
Armature Copper Loss (W): 346.01
Transistor Loss (W): 0
Diode Loss (W): 0
Total Loss (W): 354.01
Output Power (W): 28000.1
Input Power (W): 28354.1
Efficiency (%): 98.7515
Torque Angle (elec. degree): 61.9415
Rated Speed (rpm): 2600
Rated Torque (N.m): 102.839
Fundamental RMS Phase Back-EMF (V): 142.687
THD of Phase Back-EMF (%): 22.3672
TRANSIENT FEA INPUT DATA
For Stator Winding:
Number of Turns: 48
Parallel Branches: 1
Terminal Resistance (ohm): 0.0325365
End Leakage Inductance (H): 2.70057e-05
2D Equivalent Value:
Equivalent Model Depth (mm): 136
Equivalent Stator Stacking Factor: 0.95
Equivalent Rotor Stacking Factor: 0.95