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ADJUSTABLE-SPEED PERMANENT MAGNET SYNCHRONOUS MOTOR DESIGN

                      File: Setup1.res


     GENERAL DATA

Rated Output Power (kW):        28
Rated Voltage (V):        380
Number of Poles:        6
Frequency (Hz):        150
Frictional Loss (W):        285
Windage Loss (W):        50
Rotor Position:        Inner
Type of Circuit:        Y3
Type of Source:        Sine
Domain:        Time
Operating Temperature (C):        75


     STATOR DATA

Number of Stator Slots:        54
Outer Diameter of Stator (mm):          290
Inner Diameter of Stator (mm):          205.8

Type of Stator Slot:        2
Dimension of Stator Slot
            hs0 (mm):          0.8
            hs1 (mm):          0.3
            hs2 (mm):          17.8
            bs0 (mm):          3.5
            bs1 (mm):          5.5
            bs2 (mm):          7.6
Top Tooth Width (mm):          6.6017
Bottom Tooth Width (mm):          6.57521
Skew Width (Number of Slots):        1

Length of Stator Core (mm):          120
Stacking Factor of Stator Core:        0.98
Type of Steel:        DW465_50
Slot Insulation Thickness (mm):          0.2
Layer Insulation Thickness (mm):          0.2
End Length Adjustment (mm):          10
Number of Parallel Branches:        6
Number of Conductors per Slot:        30
Type of Coils:        22
Average Coil Pitch:        8
Number of Wires per Conductor:        2
Wire Diameter (mm):          1.12
Wire Wrap Thickness (mm):          0.08
Net Slot Area (mm^2):        126.335
Limited Slot Fill Factor (%):        75
Stator Slot Fill Factor (%):        68.3898
Coil Half-Turn Length (mm):          195


     ROTOR DATA

Minimum Air Gap (mm):          0.95
Inner Diameter (mm):          70
Length of Rotor (mm):          120
Stacking Factor of Iron Core:        0.98
Type of Steel:        DW465_50
Bridge (mm):          1.5
Rib (mm):          1.5
Mechanical Pole Embrace:        0.8
Electrical Pole Embrace:        0.816355
Max. Thickness of Magnet (mm):          10
Width of Magnet (mm):          78
Type of Magnet:        NdFe35
Type of Rotor:        5
Magnetic Shaft:        Yes


     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

Armature Wire Density (kg/m^3):          8900
Permanent Magnet Density (kg/m^3):          7400
Armature Core Steel Density (kg/m^3):          7700
Rotor Core Steel Density (kg/m^3):          7700

Armature Copper Weight (kg):          5.53982
Permanent Magnet Weight (kg):          4.15584
Armature Core Steel Weight (kg):          22.6767
Rotor Core Steel Weight (kg):          21.1702
Total Net Weight (kg):          53.5425

Armature Core Steel Consumption (kg):          47.6163
Rotor Core Steel Consumption (kg):          30.1216


     STEADY STATE PARAMETERS

Stator Winding Factor:        0.818579
D-Axis Reactive Reactance Xad (ohm):        0.514315
Q-Axis Reactive Reactance Xaq (ohm):        2.60053
D-Axis Reactance X1+Xad (ohm):        0.628655
Q-Axis Reactance X1+Xaq (ohm):        2.71487
Armature Leakage Reactance X1 (ohm):        0.114341
Zero-Sequence Reactance X0 (ohm):        0.0515571
Armature Phase Resistance R1 (ohm):        0.0322129


     NO-LOAD MAGNETIC DATA

Stator-Teeth Flux Density (Tesla):        1.82404
Stator-Yoke Flux Density (Tesla):        1.88521
Rotor-Yoke Flux Density (Tesla):        0.581941
Air-Gap Flux Density (Tesla):        0.880291
Magnet Flux Density (Tesla):        1.0505

Stator-Teeth By-Pass Factor:        0.00788093
Stator-Yoke By-Pass Factor:        0.000605774
Rotor-Yoke By-Pass Factor:        2.82101e-006

Stator-Teeth Ampere Turns (A.T):        214.017
Stator-Yoke Ampere Turns (A.T):        292.639
Rotor-Yoke Ampere Turns (A.T):        1.68882
Air-Gap Ampere Turns (A.T):        791.066
Magnet Ampere Turns (A.T):        -1298.82

Leakage-Flux Factor:        1.07383
Correction Factor for Magnetic
  Circuit Length of Stator Yoke:        0.216976
Correction Factor for Magnetic
  Circuit Length of Rotor Yoke:        0.735837

No-Load Line Current (A):        1.075
No-Load Input Power (W):        815.772
Cogging Torque (N.m):        3.07804e-011


     FULL-LOAD DATA

Maximum Line Induced Voltage (V):        536.562
Root-Mean-Square Line Current (A):        45.861
Root-Mean-Square Phase Current (A):        45.861
Armature Thermal Load (A^2/mm^3):        74.2915
Specific Electric Loading (A/mm):        19.1515
Armature Current Density (A/mm^2):        3.87914
Frictional and Windage Loss (W):        335
Iron-Core Loss (W):        482.197
Armature Copper Loss (W):        203.249
Total Loss (W):        1020.45
Output Power (W):        27960.4
Input Power (W):        28980.8
Efficiency (%):        96.4789

Synchronous Speed (rpm):        3000
Rated Torque (N.m):        89.0006
Torque Angle (degree):        23.3345

Maximum Output Power (W):        267290
Torque Constant KT (Nm/A):        1.05176


     WINDING ARRANGEMENT

The 3-phase, 2-layer winding can be arranged in 18 slots as below:

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Angle per slot (elec. degrees):        20
Phase-A axis (elec. degrees):        130
First slot center (elec. degrees):        0



     TRANSIENT FEA INPUT DATA

For Armature Winding:
  Number of Turns:        270
  Parallel Branches:        6
  Terminal Resistance (ohm):        0.0322129
  End Leakage Inductance (H):        2.04768e-005
2D Equivalent Value:
  Equivalent Model Depth (mm):        120
  Equivalent Stator Stacking Factor:        0.98
  Equivalent Rotor Stacking Factor:        0.98
  Equivalent Br (Tesla):        1.23
  Equivalent Hc (kA/m):        890
Estimated Rotor Inertial Moment (kg m^2):        0.158834