利用RMxprt做出来的永磁电机2D模型仿真，气隙磁密波形非常的差

等待的沉默

附件是电机模型

lizhen2979371

看一下磁力线和磁密云图

stevenforest

磁密怎么全是正的

drger

检查一下RMxprt的计算结果，是否本身也有问题

mawentao

因为取得是绝对值，而不是径向磁密，别问怎么弄，论坛搜索下

等待的沉默

drger 发表于 2017-12-1 08:43
检查一下RMxprt的计算结果，是否本身也有问题

ADJUSTABLE-SPEED PERMANENT MAGNET SYNCHRONOUS MOTOR DESIGN

                      File: Setup1.res


     GENERAL DATA

Rated Output Power (kW):        16
Rated Voltage (V):        380
Number of Poles:        4
Frequency (Hz):        50
Frictional Loss (W):        50
Windage Loss (W):        0
Rotor Position:        Inner
Type of Circuit:        Y3
Type of Source:        Sine
Domain:        Time
Operating Temperature (C):        75


     STATOR DATA

Number of Stator Slots:        36
Outer Diameter of Stator (mm):          210
Inner Diameter of Stator (mm):          150

Type of Stator Slot:        3
Stator Slot       
            hs0 (mm):          0.15
            hs1 (mm):          0.25
            hs2 (mm):          13
            bs0 (mm):          3.5
            bs1 (mm):          5
            bs2 (mm):          9
            rs (mm):          2.5

Top Tooth Width (mm):          8.15855
Bottom Tooth Width (mm):          6.43982
Skew Width (Number of Slots):        0

Length of Stator Core (mm):          100
Stacking Factor of Stator Core:        0.95
Type of Steel:        D23_50
Designed Wedge Thickness (mm):          0.250018
Slot Insulation Thickness (mm):          0
Layer Insulation Thickness (mm):          0
End Length Adjustment (mm):          0
Number of Parallel Branches:        1
Number of Conductors per Slot:        60
Type of Coils:        21
Average Coil Pitch:        7
Number of Wires per Conductor:        1
Wire Diameter (mm):          0.8
Wire Wrap Thickness (mm):          0.06
Slot Area (mm^2):        112.405
Net Slot Area (mm^2):        110.817
Limited Slot Fill Factor (%):        75
Stator Slot Fill Factor (%):        40.0443
Coil Half-Turn Length (mm):          225.526
Wire Resistivity (ohm.mm^2/m):        0.0217


     ROTOR DATA

Minimum Air Gap (mm):          0.7
Inner Diameter (mm):          35
Length of Rotor (mm):          100
Stacking Factor of Iron Core:        0.95
Type of Steel:        D23_50
Bridge (mm):          0.5
Rib (mm):          2
Mechanical Pole Embrace:        0.95
Electrical Pole Embrace:        0.956771
Max. Thickness of Magnet (mm):          6
Width of Magnet (mm):          85
Type of Magnet:        XG196/96
Type of Rotor:        5
Magnetic Shaft:        No


     PERMANENT MAGNET DATA

Residual Flux Density (Tesla):        0.96
Coercive Force (kA/m):        690
Maximum Energy Density (kJ/m^3):        183
Relative Recoil Permeability:        1
Demagnetized Flux Density (Tesla):        0.166361
Recoil Residual Flux Density (Tesla):        0.913527
Recoil Coercive Force (kA/m):        726.983

     MATERIAL CONSUMPTION

Armature Wire 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):          7820

Armature Copper Weight (kg):          2.17927
Permanent Magnet Weight (kg):          1.5912
Armature Core Steel Weight (kg):          9.5968
Rotor Core Steel Weight (kg):          10.4235
Total Net Weight (kg):          23.7908

Armature Core Steel Consumption (kg):          20.5765
Rotor Core Steel Consumption (kg):          13.1281


     STEADY STATE PARAMETERS

Stator Winding Factor:        0.901912
D-Axis Reactive Reactance Xad (ohm):        31.9406
Q-Axis Reactive Reactance Xaq (ohm):        166.539
D-Axis Reactance X1+Xad (ohm):        34.5998
Q-Axis Reactance X1+Xaq (ohm):        169.198
Armature Leakage Reactance X1 (ohm):        2.65916
Zero-Sequence Reactance X0 (ohm):        1.87854
Armature Phase Resistance R1 (ohm):        7.01001
Armature Phase Resistance at 20C (ohm):        5.7663


     NO-LOAD MAGNETIC DATA

Stator-Teeth Flux Density (Tesla):        1.15781
Stator-Yoke Flux Density (Tesla):        2.18887
Rotor-Yoke Flux Density (Tesla):        0.575476
Air-Gap Flux Density (Tesla):        0.54733
Magnet Flux Density (Tesla):        0.77313

Stator-Teeth By-Pass Factor:        0.0006686
Stator-Yoke By-Pass Factor:        0.00368971
Rotor-Yoke By-Pass Factor:        1.97551e-005

Stator-Teeth Ampere Turns (A.T):        8.16588
Stator-Yoke Ampere Turns (A.T):        288.914
Rotor-Yoke Ampere Turns (A.T):        4.23128
Air-Gap Ampere Turns (A.T):        368.37
Magnet Ampere Turns (A.T):        -670.365

Leakage-Flux Factor:        1.04056
Correction Factor for Magnetic
  Circuit Length of Stator Yoke:        0.0851935
Correction Factor for Magnetic
  Circuit Length of Rotor Yoke:        0.683379

No-Load Line Current (A):        5.19863
No-Load Input Power (W):        699.52
Cogging Torque (N.m):        2.14306


     FULL-LOAD DATA

Note:
This motor cannot offer the given rated output power.
The following results are of the maximum output.

Maximum Line Induced Voltage (V):        939.162
Root-Mean-Square Line Current (A):        12.5893
Root-Mean-Square Phase Current (A):        12.5893
Armature Thermal Load (A^2/mm^3):        1445.24
Specific Electric Loading (A/mm):        57.7041
Armature Current Density (A/mm^2):        25.0457
Frictional and Windage Loss (W):        50
Iron-Core Loss (W):        81.1261
Armature Copper Loss (W):        3333.01
Total Loss (W):        3464.14
Output Power (W):        4843.03
Input Power (W):        8307.17
Efficiency (%):        58.2994

Synchronous Speed (rpm):        1500
Rated Torque (N.m):        30.8317
Torque Angle (degree):        93

Maximum Output Power (W):        4843.03
Torque Constant KT (Nm/A):        0.748461


     WINDING ARRANGEMENT

The 3-phase, 2-layer winding can be arranged in 9 slots as below:

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Angle per slot (elec. degrees):        20
Phase-A axis (elec. degrees):        90
First slot center (elec. degrees):        0



     TRANSIENT FEA INPUT DATA

For Armature Winding:
  Number of Turns:        360
  Parallel Branches:        1
  Terminal Resistance (ohm):        7.01001
  End Leakage Inductance (H):        0.00240323
2D Equivalent Value:
  Equivalent Model Depth (mm):        100
  Equivalent Stator Stacking Factor:        0.95
  Equivalent Rotor Stacking Factor:        0.95
  Equivalent Br (Tesla):        0.913527
  Equivalent Hc (kA/m):        726.983
Estimated Rotor Inertial Moment (kg m^2):        0.0373396

等待的沉默

等待的沉默 发表于 2017-12-1 09:44
ADJUSTABLE-SPEED PERMANENT MAGNET SYNCHRONOUS MOTOR DESIGN

                      File: Setup1.r ...

帮忙看下设计报告 存在什么问题