Slot and pole selection for concentrated windings
 Share
The version of the browser you are using is no longer supported. Please upgrade to a supported browser.Dismiss

View only
 
ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAEAFAGAHAIAJ
1
If you would like to modify this document you can make a copy by selecting File -> make a copy. It will then appear in your own google drive.
2
Number of phases
3
Based on "Distribution, coil-span and winding factors for PM machines with concentrated windings" by S.E. Skaar and K.R. Nilssen
3
Warning: I have only checked my calculations for accuracy against 3 phases. It is unlikely that this sheet works for different numbers of phases.
4
q
5
6
7
8
SNumber of Poles
9
246810121416182022242628303234363840424446485052545658606264666870
10
30.50.250.16666666670.1250.10.083333333330.071428571430.06250.055555555560.050.045454545450.041666666670.038461538460.035714285710.033333333330.031250.029411764710.027777777780.026315789470.0250.023809523810.022727272730.021739130430.020833333330.020.019230769230.018518518520.017857142860.017241379310.016666666670.016129032260.0156250.015151515150.014705882350.01428571429
11
610.50.33333333330.250.20.16666666670.14285714290.1250.11111111110.10.090909090910.083333333330.076923076920.071428571430.066666666670.06250.058823529410.055555555560.052631578950.050.047619047620.045454545450.043478260870.041666666670.040.038461538460.037037037040.035714285710.034482758620.033333333330.032258064520.031250.03030303030.029411764710.02857142857
12
91.50.750.50.3750.30.250.21428571430.18750.16666666670.150.13636363640.1250.11538461540.10714285710.10.093750.088235294120.083333333330.078947368420.0750.071428571430.068181818180.06521739130.06250.060.057692307690.055555555560.053571428570.051724137930.050.048387096770.0468750.045454545450.044117647060.04285714286
13
12210.66666666670.50.40.33333333330.28571428570.250.22222222220.20.18181818180.16666666670.15384615380.14285714290.13333333330.1250.11764705880.11111111110.10526315790.10.095238095240.090909090910.086956521740.083333333330.080.076923076920.074074074070.071428571430.068965517240.066666666670.064516129030.06250.060606060610.058823529410.05714285714
14
152.51.250.83333333330.6250.50.41666666670.35714285710.31250.27777777780.250.22727272730.20833333330.19230769230.17857142860.16666666670.156250.14705882350.13888888890.13157894740.1250.1190476190.11363636360.10869565220.10416666670.10.096153846150.092592592590.089285714290.086206896550.083333333330.080645161290.0781250.075757575760.073529411760.07142857143
15
1831.510.750.60.50.42857142860.3750.33333333330.30.27272727270.250.23076923080.21428571430.20.18750.17647058820.16666666670.15789473680.150.14285714290.13636363640.13043478260.1250.120.11538461540.11111111110.10714285710.10344827590.10.096774193550.093750.090909090910.088235294120.08571428571
16
213.51.751.1666666670.8750.70.58333333330.50.43750.38888888890.350.31818181820.29166666670.26923076920.250.23333333330.218750.20588235290.19444444440.18421052630.1750.16666666670.15909090910.1521739130.14583333330.140.13461538460.12962962960.1250.12068965520.11666666670.11290322580.1093750.10606060610.10294117650.1
17
24421.33333333310.80.66666666670.57142857140.50.44444444440.40.36363636360.33333333330.30769230770.28571428570.26666666670.250.23529411760.22222222220.21052631580.20.19047619050.18181818180.17391304350.16666666670.160.15384615380.14814814810.14285714290.13793103450.13333333330.12903225810.1250.12121212120.11764705880.1142857143
18
274.52.251.51.1250.90.750.64285714290.56250.50.450.40909090910.3750.34615384620.32142857140.30.281250.26470588240.250.23684210530.2250.21428571430.20454545450.19565217390.18750.180.17307692310.16666666670.16071428570.15517241380.150.14516129030.1406250.13636363640.13235294120.1285714286
19
3052.51.6666666671.2510.83333333330.71428571430.6250.55555555560.50.45454545450.41666666670.38461538460.35714285710.33333333330.31250.29411764710.27777777780.26315789470.250.23809523810.22727272730.21739130430.20833333330.20.19230769230.18518518520.17857142860.17241379310.16666666670.16129032260.156250.15151515150.14705882350.1428571429
20
335.52.751.8333333331.3751.10.91666666670.78571428570.68750.61111111110.550.50.45833333330.42307692310.39285714290.36666666670.343750.32352941180.30555555560.28947368420.2750.26190476190.250.23913043480.22916666670.220.21153846150.20370370370.19642857140.18965517240.18333333330.17741935480.1718750.16666666670.16176470590.1571428571
21
366321.51.210.85714285710.750.66666666670.60.54545454550.50.46153846150.42857142860.40.3750.35294117650.33333333330.31578947370.30.28571428570.27272727270.26086956520.250.240.23076923080.22222222220.21428571430.20689655170.20.19354838710.18750.18181818180.17647058820.1714285714
22
396.53.252.1666666671.6251.31.0833333330.92857142860.81250.72222222220.650.59090909090.54166666670.50.46428571430.43333333330.406250.38235294120.36111111110.34210526320.3250.30952380950.29545454550.28260869570.27083333330.260.250.24074074070.23214285710.2241379310.21666666670.20967741940.2031250.1969696970.19117647060.1857142857
23
4273.52.3333333331.751.41.16666666710.8750.77777777780.70.63636363640.58333333330.53846153850.50.46666666670.43750.41176470590.38888888890.36842105260.350.33333333330.31818181820.30434782610.29166666670.280.26923076920.25925925930.250.24137931030.23333333330.22580645160.218750.21212121210.20588235290.2
24
457.53.752.51.8751.51.251.0714285710.93750.83333333330.750.68181818180.6250.57692307690.53571428570.50.468750.44117647060.41666666670.39473684210.3750.35714285710.34090909090.32608695650.31250.30.28846153850.27777777780.26785714290.25862068970.250.24193548390.2343750.22727272730.22058823530.2142857143
25
48842.66666666721.61.3333333331.14285714310.88888888890.80.72727272730.66666666670.61538461540.57142857140.53333333330.50.47058823530.44444444440.42105263160.40.3809523810.36363636360.3478260870.33333333330.320.30769230770.29629629630.28571428570.2758620690.26666666670.25806451610.250.24242424240.23529411760.2285714286
26
518.54.252.8333333332.1251.71.4166666671.2142857141.06250.94444444440.850.77272727270.70833333330.65384615380.60714285710.56666666670.531250.50.47222222220.44736842110.4250.40476190480.38636363640.36956521740.35416666670.340.32692307690.31481481480.30357142860.29310344830.28333333330.27419354840.2656250.25757575760.250.2428571429
27
5494.532.251.81.51.2857142861.12510.90.81818181820.750.69230769230.64285714290.60.56250.52941176470.50.47368421050.450.42857142860.40909090910.39130434780.3750.360.34615384620.33333333330.32142857140.31034482760.30.29032258060.281250.27272727270.26470588240.2571428571
28
579.54.753.1666666672.3751.91.5833333331.3571428571.18751.0555555560.950.86363636360.79166666670.73076923080.67857142860.63333333330.593750.55882352940.52777777780.50.4750.45238095240.43181818180.41304347830.39583333330.380.36538461540.35185185190.33928571430.32758620690.31666666670.30645161290.2968750.28787878790.27941176470.2714285714
29
601053.3333333332.521.6666666671.4285714291.251.11111111110.90909090910.83333333330.76923076920.71428571430.66666666670.6250.58823529410.55555555560.52631578950.50.47619047620.45454545450.43478260870.41666666670.40.38461538460.37037037040.35714285710.34482758620.33333333330.32258064520.31250.3030303030.29411764710.2857142857
30
6310.55.253.52.6252.11.751.51.31251.1666666671.050.95454545450.8750.80769230770.750.70.656250.61764705880.58333333330.55263157890.5250.50.47727272730.45652173910.43750.420.40384615380.38888888890.3750.36206896550.350.33870967740.3281250.31818181820.30882352940.3
31
66115.53.6666666672.752.21.8333333331.5714285711.3751.2222222221.110.91666666670.84615384620.78571428570.73333333330.68750.64705882350.61111111110.57894736840.550.52380952380.50.47826086960.45833333330.440.42307692310.40740740740.39285714290.37931034480.36666666670.35483870970.343750.33333333330.32352941180.3142857143
32
6911.55.753.8333333332.8752.31.9166666671.6428571431.43751.2777777781.151.0454545450.95833333330.88461538460.82142857140.76666666670.718750.67647058820.63888888890.60526315790.5750.54761904760.52272727270.50.47916666670.460.44230769230.42592592590.41071428570.39655172410.38333333330.37096774190.3593750.34848484850.33823529410.3285714286
33
72126432.421.7142857141.51.3333333331.21.09090909110.92307692310.85714285710.80.750.70588235290.66666666670.63157894740.60.57142857140.54545454550.52173913040.50.480.46153846150.44444444440.42857142860.41379310340.40.38709677420.3750.36363636360.35294117650.3428571429
34
7512.56.254.1666666673.1252.52.0833333331.7857142861.56251.3888888891.251.1363636361.0416666670.96153846150.89285714290.83333333330.781250.73529411760.69444444440.65789473680.6250.59523809520.56818181820.54347826090.52083333330.50.48076923080.4629629630.44642857140.43103448280.41666666670.40322580650.3906250.37878787880.36764705880.3571428571
35
78136.54.3333333333.252.62.1666666671.8571428571.6251.4444444441.31.1818181821.08333333310.92857142860.86666666670.81250.76470588240.72222222220.68421052630.650.6190476190.59090909090.56521739130.54166666670.520.50.48148148150.46428571430.44827586210.43333333330.41935483870.406250.39393939390.38235294120.3714285714
36
8113.56.754.53.3752.72.251.9285714291.68751.51.351.2272727271.1251.0384615380.96428571430.90.843750.79411764710.750.71052631580.6750.64285714290.61363636360.58695652170.56250.540.51923076920.50.48214285710.46551724140.450.4354838710.4218750.40909090910.39705882350.3857142857
37
841474.6666666673.52.82.33333333321.751.5555555561.41.2727272731.1666666671.07692307710.93333333330.8750.82352941180.77777777780.73684210530.70.66666666670.63636363640.60869565220.58333333330.560.53846153850.51851851850.50.48275862070.46666666670.45161290320.43750.42424242420.41176470590.4
38
8714.57.254.8333333333.6252.92.4166666672.0714285711.81251.6111111111.451.3181818181.2083333331.1153846151.0357142860.96666666670.906250.85294117650.80555555560.76315789470.7250.69047619050.65909090910.63043478260.60416666670.580.55769230770.5370370370.51785714290.50.48333333330.46774193550.4531250.43939393940.42647058820.4142857143
39
90157.553.7532.52.1428571431.8751.6666666671.51.3636363641.251.1538461541.07142857110.93750.88235294120.83333333330.78947368420.750.71428571430.68181818180.6521739130.6250.60.57692307690.55555555560.53571428570.51724137930.50.48387096770.468750.45454545450.44117647060.4285714286
40
9315.57.755.1666666673.8753.12.5833333332.2142857141.93751.7222222221.551.4090909091.2916666671.1923076921.1071428571.0333333330.968750.91176470590.86111111110.81578947370.7750.73809523810.70454545450.67391304350.64583333330.620.59615384620.57407407410.55357142860.53448275860.51666666670.50.4843750.46969696970.45588235290.4428571429
41
961685.33333333343.22.6666666672.28571428621.7777777781.61.4545454551.3333333331.2307692311.1428571431.06666666710.94117647060.88888888890.84210526320.80.76190476190.72727272730.69565217390.66666666670.640.61538461540.59259259260.57142857140.55172413790.53333333330.51612903230.50.48484848480.47058823530.4571428571
42
9916.58.255.54.1253.32.752.3571428572.06251.8333333331.651.51.3751.2692307691.1785714291.11.031250.97058823530.91666666670.86842105260.8250.78571428570.750.71739130430.68750.660.63461538460.61111111110.58928571430.56896551720.550.53225806450.5156250.50.48529411760.4714285714
43
102178.55.6666666674.253.42.8333333332.4285714292.1251.8888888891.71.5454545451.4166666671.3076923081.2142857141.1333333331.062510.94444444440.89473684210.850.80952380950.77272727270.73913043480.70833333330.680.65384615380.62962962960.60714285710.58620689660.56666666670.54838709680.531250.51515151520.50.4857142857
44
10517.58.755.8333333334.3753.52.9166666672.52.18751.9444444441.751.5909090911.4583333331.3461538461.251.1666666671.093751.0294117650.97222222220.92105263160.8750.83333333330.79545454550.76086956520.72916666670.70.67307692310.64814814810.6250.60344827590.58333333330.5645161290.5468750.53030303030.51470588240.5
45
10818964.53.632.5714285712.2521.81.6363636361.51.3846153851.2857142861.21.1251.05882352910.94736842110.90.85714285710.81818181820.78260869570.750.720.69230769230.66666666670.64285714290.62068965520.60.58064516130.56250.54545454550.52941176470.5142857143
46
47
48
49
50
51
Z
52
SNumber of Poles
53
246810121416182022242628303234363840424446485052545658606264666870
54
311111111111111111111111111111111111
55
611111111111111111111111111111111111
56
933133133133133133133133133133133133
57
1221212121212121212121212121212121212
58
1555551555515555155551555515555155551
59
1833133133133133133133133133133133133
60
2177777717777771777777177777717777771
61
2442414241424142414241424142414241424
62
2799399399199399399199399399199399399
63
3055551555515555155551555515555155551
64
331111111111111111111111111111111111111111111111111111111111111111111
65
3663236163236163236163236163236163236
66
3913131313131313131313131311313131313131313131313131131313131313131313
67
4277777717777771777777177777717777771
68
45151551535151553155151511515515351515531551515115155153
69
4884828481848284818482848184828481848
70
5117171717171717171717171717171717117171717171717171717171717171717117
71
5499399399199399399199399399199399399
72
57191919191919191919191919191919191919119191919191919191919191919191919
73
601051052510510110510525105101105105251051011051052
74
632121721217321721217213721217212112121721217321721217213
75
661111111111111111111111111111111111111111111111111111111111111111111
76
69232323232323232323232323232323232323232323231232323232323232323232323
77
7212643122123461211264312212346121126431221234612
78
75252525255252525255252525255252525255252525251252525255252525255
79
7813131313131313131313131311313131313131313131313131131313131313131313
80
8127279272792727327279272792727327279272792727127279272792727
81
8414714714727147147141147147147271471471411471471472
82
87292929292929292929292929292929292929292929292929292929291292929292929
83
90151551535151553155151511515515351515531551515115155153
84
93313131313131313131313131313131313131313131313131313131313131131313131
85
9616816416816216816416816116816416816216816416816116816
86
993333113333113333113331133331133331133331133311333311333311333313333
87
10217171717171717171717171717171717117171717171717171717171717171717117
88
10535353535735535357353535573535353575353535735355357353535351
89
10818969183189291831896918118969183189291831896918
90
91
92
93
94
95
kmn
Winding order
1
96
SNumber of Poles
97
246810121416182022242628303234363840424446485052545658606264666870
98
311111111111111111111111111111111111
99
611111111111111111111111111111111111
100
90.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.959795080510.95979508050.9597950805
Loading...