Motor Load Data

For design purposes motor full load currents for electricity supplies of 11kV, 3.3kV and 400V 50Hz three phase are taken from averaged manufacturers’ data for nominal 1500rpm motors and are shown in table 1.

Table 1 – Motor Ratings (output) Vs Full Load Current

Motor Rating	Full Load Current - Amps
kW	400V	3300V	11000V
0.06	0.28
0.09	0.38
0.12	0.44
0.18	0.66
0.25	0.8
0.37	1.05
0.55	1.47
0.75	1.96
1.1	2.58
1.5	3.46
2.2	4.87
3	6.72
3.7	8.2
4	8.57
5	10.5
5.5	11.7
7.5	15.25
11	21.79
15	29.5
18.5	35.75
22	42.43
30	57.3
37	69.8
45	84
55	103
75	137
90	164
110	197	26
132	240	31
160	282	39
200	356	46
250	441	57
315	552	70
355	636	79
400	710	88
450	800	95
500	890	107
560	1000	119
630		133
710		146
800		164	50
1000		200	60
1120		223	67
1250		249	75
1400		280	84
1600		319	96