要设计一台22kW，380V，150r/min，30极的异步起动永磁同步电机，如何进行设计？

yuesheng521

本人菜鸟，完全不懂电机设计，现要求设计一台异步起动永磁同步电机，怎么着手呢？一些相关的参数去哪里找呢？

Nephology

参考一些算例的磁负荷、电负荷取值，然后用路算软件调试电机的各部分尺寸大小，使得电机各部分性能和参数能够大致达到合理值，最后采用有限元场算软件再次的仿真一个再这个尺寸下，电机的性能是不是符合要求！

hxmotor

30极的永磁同步电机要实现异步起动，这个我感觉很难，估计启动起来很困难。建议更改为变频启动比较好设计。

Eragon2016

       这是我初步仿真的一个参数，第一次做这么大的电机，看看可符合你的要求
  BRUSHLESS PERMANENT MAGNET DC MOTOR DESIGN

                      File: Setup1.res


     GENERAL DATA

Rated Output Power (kW):        22
Rated Voltage (V):        380
Number of Poles:        32
Given Rated Speed (rpm):        150
Frictional Loss (W):        0
Windage Loss (W):        0
Rotor Position:        Outer
Type of Load:        Fan Load
Type of Circuit:        L3
Lead Angle of Trigger in Elec. Degrees:        0
Trigger Pulse Width in Elec. Degrees:        120
One-Transistor Voltage Drop (V):        0
One-Diode Voltage Drop (V):        0
Operating Temperature (C):        75
Maximum Current for CCC (A):        0
Minimum Current for CCC (A):        0


     STATOR DATA

Number of Stator Slots:        30
Outer Diameter of Stator (mm):          400
Inner Diameter of Stator (mm):          230

Type of Stator Slot:        3
Stator Slot       
            hs0 (mm):          4.5
            hs1 (mm):          4
            hs2 (mm):          65
            bs0 (mm):          10
            bs1 (mm):          26.1647
            bs2 (mm):          12.5011
            rs (mm):          1

Top Tooth Width (mm):          14
Bottom Tooth Width (mm):          14
Skew Width (Number of Slots)        2.6e-006

Length of Stator Core (mm):          380
Stacking Factor of Stator Core:        0.95
Type of Steel:        DW310_35
Designed Wedge Thickness (mm):          0.762735
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:        36
Type of Coils:        21
Average Coil Pitch:        1
Number of Wires per Conductor:        2
Wire Diameter (mm):          3.665
Wire Wrap Thickness (mm):          0
Slot Area (mm^2):        1386.04
Net Slot Area (mm^2):        1332.24
Limited Slot Fill Factor (%):        75
Stator Slot Fill Factor (%):        72.5937
Coil Half-Turn Length (mm):          404.275


     ROTOR DATA

Minimum Air Gap (mm):          6
Outer Diameter (mm):          450
Length of Rotor (mm):          380
Stacking Factor of Iron Core:        0.95
Type of Steel:        steel_1008
Polar Arc Radius (mm):          306
Mechanical Pole Embrace:        0.75
Electrical Pole Embrace:        0.67606
Max. Thickness of Magnet (mm):          10
Width of Magnet (mm):          30.3355
Type of Magnet:        Material1
Type of Rotor:        1
Magnetic Shaft:        Yes


     PERMANENT MAGNET DATA

Residual Flux Density (Tesla):        1.29822
Coercive Force (kA/m):        1003
Maximum Energy Density (kJ/m^3):        325.528
Relative Recoil Permeability:        1.03003
Demagnetized Flux Density (Tesla):        7.9237e-005
Recoil Residual Flux Density (Tesla):        1.29822
Recoil Coercive Force (kA/m):        1003

     MATERIAL CONSUMPTION

Armature Copper Density (kg/m^3):          8900
Permanent Magnet Density (kg/m^3):          7800
Armature Core Steel Density (kg/m^3):          7650
Rotor Core Steel Density (kg/m^3):          7872

Armature Copper Weight (kg):          81.9895
Permanent Magnet Weight (kg):          29.2964
Armature Core Steel Weight (kg):          117.467
Rotor Core Steel Weight (kg):          35.4343
Total Net Weight (kg):          264.187

Armature Core Steel Consumption (kg):          448.517
Rotor Core Steel Consumption (kg):          583.161


     STEADY STATE PARAMETERS

Stator Winding Factor:        0.951436
D-Axis Reactive Inductance Lad (H):        0.00144936
Q-Axis Reactive Inductance Laq (H):        0.00144936
D-Axis Inductance L1+Lad(H):        0.0132664
Q-Axis Inductance L1+Laq(H):        0.0132664
Armature Leakage Inductance L1 (H):        0.011817
Zero-Sequence Inductance L0 (H):        0.0104959
Armature Phase Resistance R1 (ohm):        0.149683
Armature Phase Resistance at 20C (ohm):        0.123126
D-Axis Time Constant (s):        0.00968293
Q-Axis Time Constant (s):        0.00968293

Ideal Back-EMF Constant KE (Vs/rad):        19.8925
Start Torque Constant KT (Nm/A):        11.1129
Rated Torque Constant KT (Nm/A):        24.2532


     NO-LOAD MAGNETIC DATA

Stator-Teeth Flux Density (Tesla):        1.59118
Stator-Yoke Flux Density (Tesla):        0.0875538
Rotor-Yoke Flux Density (Tesla):        1.22413
Air-Gap Flux Density (Tesla):        0.764323
Magnet Flux Density (Tesla):        0.765509

Stator-Teeth By-Pass Factor:        0.00374204
Stator-Yoke By-Pass Factor:        9.59003e-006
Rotor-Yoke By-Pass Factor:        3.35781e-005

Stator-Teeth Ampere Turns (A.T):        218.043
Stator-Yoke Ampere Turns (A.T):        0.0607447
Rotor-Yoke Ampere Turns (A.T):        8.75962
Air-Gap Ampere Turns (A.T):        3888.64
Magnet Ampere Turns (A.T):        -4115.7

Armature Reactive Ampere Turns
  at Start Operation (A.T):        24746.5
Leakage-Flux Factor:        1
Correction Factor for Magnetic
  Circuit Length of Stator Yoke:        0.774647
Correction Factor for Magnetic
  Circuit Length of Rotor Yoke:        0.662213

No-Load Speed (rpm):        183.94
Cogging Torque (N.m):        0


     FULL-LOAD DATA

Average Input Current (A):        52.4672
Root-Mean-Square Armature Current (A):        30.2696
Armature Thermal Load (A^2/mm^3):        37.3216
Specific Electric Loading (A/mm):        26.0148
Armature Current Density (A/mm^2):        1.43463
Frictional and Windage Loss (W):        0
Iron-Core Loss (W):        468.346
Armature Copper Loss (W):        411.44
Transistor Loss (W):        0
Diode Loss (W):        0
Total Loss (W):        879.786
Output Power (W):        19057.7
Input Power (W):        19937.5
Efficiency (%):        95.5873

Rated Speed (rpm):        143.017
Rated Torque (N.m):        1272.5

Locked-Rotor Torque (N.m):        42244.5
Locked-Rotor Current (A):        3801.41


     WINDING ARRANGEMENT

The 3-phase, 2-layer winding can be arranged in 15 slots as below:

AXAXACZCZCBYBYB


Angle per slot (elec. degrees):        192
Phase-A axis (elec. degrees):        120
First slot center (elec. degrees):        0



     TRANSIENT FEA INPUT DATA

For Armature Winding:
  Number of Turns:        180
  Parallel Branches:        1
  Terminal Resistance (ohm):        0.149683
  End Leakage Inductance (H):        1.50002e-005
2D Equivalent Value:
  Equivalent Model Depth (mm):        380
  Equivalent Stator Stacking Factor:        0.95
  Equivalent Rotor Stacking Factor:        0.95
  Equivalent Br (Tesla):        1.29822
  Equivalent Hc (kA/m):        1003
Estimated Rotor Moment of Inertia (kg m^2):        10.9344

欧阳庆

楼上的这个方案算是什么？人家需要150转/分，你来个143转/分，根本就没有进入到同步状态嘛