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0.4kW
0.75kW
1.5kW
2.2kW
R1
24.584
9.404
3.588
2.368
R2
6.880
6.048
2.520
1.776
2p
L
83.28
47.56
24.84
13.64
Io
0.75
1.17
2.61
2.43
J
0.003
0.005
0.011
0.012
R1
22.800
11.936
4.496
3.604
R2
11.092
6.392
3.152
1.808
4p
L
130.56
51.88
25.12
18.64
Io
0.90
1.26
2.19
4.37
J
0.005
0.009
0.017
0.027
R1
15.332
10.156
5.028
2.804
R2
7.200
5.496
3.252
2.100
6p
L
109.16
57.36
37.60
33.04
Io
1.26
1.78
3.01
4.64
J
0.009
0.017
0.031
0.062
R1
26.668
10.244
3.532
1.708
R2
15.200
6.632
2.656
1.900
8p
L
142.84
78.04
59.44
36.36
Io
1.44
2.34
4.25
6.75
J
0.017
0.031
0.062
0.126
These parameters are based on EU motors, which have slightly different motor constants than Japanese & US motors.
Therefore the Japanese versions and US versions of SJ300 have slightly different motor parameters as default settings.
© 2002 Hitachi America, Ltd.
Typical Motor Constants
4kW
5.5kW
7.5kW
11kW
15kW 18.5kW
1.124
0.820
0.512
0.368
0.240
1.032
0.400
0.272
0.236
0.184
7.88
6.44
5.28
7.36
5.16
5.10
9.21
11.25
7.97
10.53
0.039
0.049
0.059
0.095
0.116
1.600
0.960
0.608
0.520
0.320
0.996
0.684
0.416
0.300
0.228
12.60
11.28
10.40
7.44
5.16
7.64
6.57
8.25
9.91
12.70
0.072
0.088
0.111
0.176
0.213
1.268
1.000
0.872
0.552
0.300
0.880
0.640
0.500
0.308
0.240
26.56
24.36
22.88
5.96
5.72
6.30
7.20
8.37
11.16
14.33
0.151
0.176
0.276
0.363
0.688
1.000
0.900
0.804
0.536
0.412
1.260
1.120
1.020
0.392
0.300
27.44
25.36
23.44
9.84
6.68
8.40
8.52
8.63
11.97
17.66
0.226
0.276
0.363
0.801
0.938
22kW 30kW
37kW
45kW
0.192
0.156
0.148
0.088
0.072
0.140
0.112
0.104
0.112
0.084
4.12
2.88
2.40
2.28
1.88
12.91
16.18
18.51
21.25
27.00
0.126
0.276
0.313
0.551
0.613
0.204
0.160
0.132
0.104
0.080
0.180
0.148
0.108
0.104
0.080
4.12
3.64
2.40
2.32
1.92
16.66
18.51
24.08
28.33
33.33
0.413
0.476
0.601
1.038
1.138
0.268
0.212
0.148
0.112
0.104
0.188
0.156
0.108
0.096
0.076
4.76
4.00
2.76
2.32
1.88
16.73
20.25
28.96
33.33
38.90
0.813
0.938
1.626
1.876
2.126
0.320
0.232
0.168
0.092
0.060
0.244
0.188
0.160
0.132
0.080
6.00
4.32
3.44
3.00
2.08
19.91
26.73
34.83
33.80
47.50
1.626
1.876
2.126
6.376
9.251
12.001
10
55kW
75kW
90kW
110kW
132kW
0.052
0.032
0.024
0.016
0.012
0.072
0.036
0.040
0.028
0.024
1.48
1.00
0.80
0.72
0.60
31.50
35.00
36.17
44.00
47.00
0.713
3.001
3.438
4.625
5.625
0.060
0.036
0.028
0.024
0.016
0.068
0.044
0.032
0.032
0.024
1.48
1.00
0.96
0.76
0.68
45.16
50.00
54.33
50.00
57.33
1.376
3.001
3.438
6.000
7.000
0.060
0.044
0.036
0.024
0.020
0.056
0.048
0.048
0.024
0.020
1.52
1.16
1.04
0.72
0.68
43.17
58.33
58.00
81.00
68.00
4.376
5.251
7.875
9.750
25.625
0.052
0.040
0.024
0.020
0.016
0.068
0.064
0.040
0.036
0.032
1.76
1.44
1.08
0.88
0.72
51.33
59.33
67.00
91.47
109.17
15.001
25.625
25.625
25.625
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