楼主你好，首先非常感谢您与我们分享这么好的帖子。在这里我有个基础问题想求证，在路算是我看到你的Conductors per slot设置为70，请问这个70是怎么得来的？为什么70匝就正好能适合这个电机的额定点呢？
电机好复杂，有点难学
上科所计算与ansys maxwell v15在计算交流电机转子槽形为刀形槽时差别很大
在用rmxprt5.0计算时差异较小
Y112计算的图片，11111
Three-Phase Induction Machine Design
File: Setup1.res
GENERAL DATA
Given Output Power (kW): 4
Rated Voltage (V): 380
Winding Connection: Delta
Number of Poles: 2
Given Speed (rpm): 2950
Frequency (Hz): 50
Stray Loss (W): 40
Frictional Loss (W): 49.1667
Windage Loss (W): 95.0829
Operation Mode: Motor
Type of Load: Constant Power
Operating Temperature (C): 75
STATOR DATA
Number of Stator Slots: 30
Outer Diameter of Stator (mm): 175
Inner Diameter of Stator (mm): 98
Type of Stator Slot: 2
Stator Slot
hs0 (mm): 0.8
hs1 (mm): 0.84
hs2 (mm): 9.76
bs0 (mm): 3.2
bs1 (mm): 6.1
bs2 (mm): 8.1
Top Tooth Width (mm): 4.5146
Bottom Tooth Width (mm): 4.56595
Length of Stator Core (mm): 105
Stacking Factor of Stator Core: 0.97
Type of Steel: DW465_50
Number of lamination sectors 0
Press board thickness (mm): 0
Magnetic press board No
Number of Parallel Branches: 1
Type of Coils: 11
Coil Pitch: 13
Number of Conductors per Slot: 48
Number of Wires per Conductor: 1
Wire Diameter (mm): 1.06
Wire Wrap Thickness (mm): 0.05
Wedge Thickness (mm): 2
Slot Liner Thickness (mm): 0.2
Layer Insulation (mm): 0
Slot Area (mm^2): 101.527
Net Slot Area (mm^2): 79.3093
Slot Fill Factor (%): 74.5698
Limited Slot Fill Factor (%): 75
Wire Resistivity (ohm.mm^2/m): 0.0217
Conductor Length Adjustment (mm): 10
End Length Correction Factor 1
End Leakage Reactance Correction Factor 1
ROTOR DATA
Number of Rotor Slots: 26
Air Gap (mm): 0.4
Inner Diameter of Rotor (mm): 38
Type of Rotor Slot: Edited
Left Slot Part
Type Info (mm)
1 End Width: 1.5
Line Edge: 0
2 Height: 4.5
End Width: 3
1 End Width: 5.5
Line Edge: 0
2 Height: 14
End Width: 2
1 End Width: 0
Line Edge: 0
Cast Rotor: No
Half Slot: No
Length of Rotor (mm): 105
Stacking Factor of Rotor Core: 0.95
Type of Steel: DW465_50
Skew Width: 1
End Length of Bar (mm): 0
Height of End Ring (mm): 20
Width of End Ring (mm): 15
Resistivity of Rotor Bar
at 75 Centigrade (ohm.mm^2/m): 0.0263158
Resistivity of Rotor Ring
at 75 Centigrade (ohm.mm^2/m): 0.0263158
Magnetic Shaft: No
MATERIAL CONSUMPTION
Armature Copper Density (kg/m^3): 8900
Rotor Bar Material Density (kg/m^3): 2689
Rotor Ring Material Density (kg/m^3): 2689
Armature Core Steel Density (kg/m^3): 7700
Rotor Core Steel Density (kg/m^3): 7700
Armature Copper Weight (kg): 3.59353
Rotor Bar Material Weight (kg): 0.459728
Rotor Ring Material Weight (kg): 0.391299
Armature Core Steel Weight (kg): 10.5591
Rotor Core Steel Weight (kg): 3.57766
Total Net Weight (kg): 18.5813
Armature Core Steel Consumption (kg): 24.848
Rotor Core Steel Consumption (kg): 7.7115
RATED-LOAD OPERATION
Stator Resistance (ohm): 3.7503
Stator Resistance at 20C (ohm): 3.08492
Stator Leakage Reactance (ohm): 4.20355
Rotor Resistance (ohm): 1.78089
Rotor Leakage Reactance (ohm): 3.08593
Resistance Corresponding to
Iron-Core Loss (ohm): 5766.4
Magnetizing Reactance (ohm): 50.1206
Stator Phase Current (A): 8.07325
Current Corresponding to
Iron-Core Loss (A): 0.0581131
Magnetizing Current (A): 6.68593
Rotor Phase Current (A): 4.218
Copper Loss of Stator Winding (W): 733.304
Copper Loss of Rotor Winding (W): 95.0542
Iron-Core Loss (W): 58.4217
Frictional and Windage Loss (W): 142.298
Stray Loss (W): 40
Total Loss (W): 1069.08
Input Power (kW): 5.06892
Output Power (kW): 3.99985
Mechanical Shaft Torque (N.m): 13.0241
Efficiency (%): 78.9092
Power Factor: 0.546414
Rated Slip: 0.0224333
Rated Shaft Speed (rpm): 2932.7
NO-LOAD OPERATION
No-Load Stator Resistance (ohm): 3.7503
No-Load Stator Leakage Reactance (ohm): 4.20528
No-Load Rotor Resistance (ohm): 1.78077
No-Load Rotor Leakage Reactance (ohm): 3.08693
No-Load Stator Phase Current (A): 6.96843
No-Load Iron-Core Loss (W): 63.4057
No-Load Input Power (W): 799.297
No-Load Power Factor: 0.095581
No-Load Slip: 0.000728424
No-Load Shaft Speed (rpm): 2997.81
BREAK-DOWN OPERATION
Break-Down Slip: 0.24
Break-Down Torque (N.m): 54.0777
Break-Down Torque Ratio: 4.15213
Break-Down Phase Current (A): 29.5466
LOCKED-ROTOR OPERATION
Locked-Rotor Torque (N.m): 32.5874
Locked-Rotor Phase Current (A): 43.6483
Locked-Rotor Torque Ratio: 2.50209
Locked-Rotor Current Ratio: 5.40653
Locked-Rotor Stator Resistance (ohm): 3.7503
Locked-Rotor Stator
Leakage Reactance (ohm): 3.9705
Locked-Rotor Rotor Resistance (ohm): 2.01224
Locked-Rotor Rotor
Leakage Reactance (ohm): 2.81862
DETAILED DATA AT RATED OPERATION
Stator Slot Leakage Reactance (ohm): 1.16936
Stator End-Winding Leakage
Reactance (ohm): 2.84553
Stator Differential Leakage
Reactance (ohm): 0.188661
Rotor Slot Leakage Reactance (ohm): 2.41794
Rotor End-Winding Leakage
Reactance (ohm): 0.282279
Rotor Differential Leakage
Reactance (ohm): 0.26502
Skewing Leakage Reactance (ohm): 0.120688
Stator Winding Factor: 0.956677
Stator-Teeth Flux Density (Tesla): 1.47673
Rotor-Teeth Flux Density (Tesla): 1.38505
Stator-Yoke Flux Density (Tesla): 1.33371
Rotor-Yoke Flux Density (Tesla): 2.97005
Air-Gap Flux Density (Tesla): 0.633719
Stator-Teeth Ampere Turns (A.T): 9.94609
Rotor-Teeth Ampere Turns (A.T): 7.28814
Stator-Yoke Ampere Turns (A.T): 20.8996
Rotor-Yoke Ampere Turns (A.T): 1766.89
Air-Gap Ampere Turns (A.T): 285.754
Correction Factor for Magnetic
Circuit Length of Stator Yoke: 0.588822
Correction Factor for Magnetic
Circuit Length of Rotor Yoke: 0.1
Saturation Factor for Teeth: 1.06031
Saturation Factor for Teeth & Yoke: 7.3167
Induced-Voltage Factor: 0.881851
Stator Current Density (A/mm^2): 9.14843
Specific Electric Loading (A/mm): 37.7602
Stator Thermal Load (A^2/mm^3): 345.447
Rotor Bar Current Density (A/mm^2): 3.56873
Rotor Ring Current Density (A/mm^2): 3.09023
Half-Turn Length of
Stator Winding (mm): 317.736
WINDING ARRANGEMENT
The 3-phase, 1-layer winding can be arranged in 30 slots as below:
AAAAAZZZZZBBBBBXXXXXCCCCCYYYYY
Average coil pitch is: 12.6
Angle per slot (elec. degrees): 12
Phase-A axis (elec. degrees): 114
First slot center (elec. degrees): 0
TRANSIENT FEA INPUT DATA
For one phase of the Stator Winding:
Number of Turns: 240
Parallel Branches: 1
Terminal Resistance (ohm): 3.7503
End Leakage Inductance (H): 0.00905761
For Rotor End Ring Between Two Bars of One Side:
Equivalent Ring Resistance (ohm): 8.18256e-007
Equivalent Ring Inductance (H): 1.53061e-009
2D Equivalent Value:
Equivalent Model Depth (mm): 105
Equivalent Stator Stacking Factor: 0.97
Equivalent Rotor Stacking Factor: 0.95
Estimated Rotor Inertial Moment (kg m^2): 0.0071771
Y112_2P_4KW,定子额定相电流应为4.5A,现计算为8.07325，显然不对，但用上所程序计算是对的
感谢楼主分享，受益匪浅啊
得慢慢看,是好东西，谢谢楼主
收藏了,慢慢看
这么精彩的帖子，值得震撼！说心里话，只有给公司做备份时，才有。
感谢楼主，新手学习很有用{:1_490:}
楼主，最后一个压缩包不能下载，求助？？
支持！写得很详细
求问铁心材料的Kh Ke Kc 怎么求得
此帖必须收藏，楼主太有心了！！顶
对新手有很好的指导意义{:1_542:}
作者真给力，对于初学者帮助不小{:1_537:}
楼主为啥不做到一个word中呢？这样刷新太费时了。。。
我是刚开始接触这个软件，楼主的讲解对于初学者来说太棒了，讲的很清楚，太感谢楼主了，谢谢！！！
