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Insulated conductor system U20, U30, U40 - VAHLE - #8

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Antenna, Busbar, Crane, Gantry crane, Cable reel

Text version of the page
selection of conductors
' 19^2 '
c) Determining the maximum starting current (IAA) if only the total of the installed crane capacity is available:
For the starting current use x-times of the amperage rating according to type of motor (see text for Table 1). For one crane, or rather several cranes, at each time the crane with the strongest starting current applies.
1 Crane: IAA = Ink • X • fR fR = Reduction factor (see 1 e)
2 Cranes: iaa = (Ink1 ■X + ink2) ■ fr
3 Cranes: iaa = (Ink1 ■ X + ink2 + ink3) ■ fr
4 Cranes: iaa = (Ink1 ■ X + ink2 + ink3 + ink4) ■ fr
5 Cranes: iaa = (Ink1 ■ X + INK2 + ink3 + INK4 + ink5) ■ fR
d) Voltage Drop
At three-phase current:
At alternating current: At direct current:
aU = \fi • I
^IAA ^ Z
^ fl
All = 2 • l •
IAA ^ Z '
fl
aU = 2 • l •
1AA ^ R ■
f2
= Impedance of conductor line
at UT = 20° C (see Table 4) [Ohm/1000 m] = Resistance of conductor line
at UT = 20° C (see Table 4) [Ohm/1000 m] = Feed length according to 3a) = Starting current in amps. = Correction factors
at UT > 20° C (see Table 7 & 8)
Z
R
l
fl,f2
Table 7: f1 (for costp = 0.6; at three-phase and alternating current).
Ambient lemperature UT ^
Phase-Distance mm
25° C
30° C
35° C
40° C
45° C
50° C
55° C
60° C
65° C
70° C
75° C
80° C
85° C
U 20/50 CE
50
0.878
0.889
0.900
0.911
0.922
0.933
0.944
0.955
0.966
0.977
0.988
0.999
1.010
U 20/50 AC
50
1.042
1.051
1.061
1.070
1.080
1.090
1.099
1.109
1.118
1.128
1.137
1.147
1.156
U 20/50 C
50
0.926
0.936
0.946
0.956
0.965
0.975
0.985
0.995
1.005
1.014
1.024
1.034
1.044
U 20/50 CH
50
0.926
0.936
0.946
0.956
0.965
0.975
0.985
0.995
1.005
1.014
1.024
1.034
1.044
U 30/120 CE
80
1.023
1.032
1.041
1.050
1.059
1.068
1.078
1.087
1.096
1.105
1.114
1.123
1.133
U 30/75 C
80
1.000
1.009
1.019
1.029
1.039
1.048
1.058
1.068
1.077
1.087
1.097
1.107
1.116
U 30/100 C
80
1.051
1.059
1.066
1.074
1.082
1.089
1.097
1.105
1.113
1.120
1.128
1.136
1.144
U 30/130 CH
80
1.050
1.058
1.065
1.072
1.079
1.086
1.093
1.100
1.107
1.114
1.121
1.129
1.136
U 30/150 C
80
1.024
1.030
1.036
1.043
1.049
1.055
1.061
1.067
1.074
1.080
1.086
1.092
1.099
U 30/200 C
80
1.021
1.026
1.032
1.037
1.042
1.047
1.052
1.058
1.063
1.068
1.073
1.079
1.084
U 30/200 CH
80
1.021
1.026
1.032
1.037
1.042
1.047
1.052
1.058
1.063
1.068
1.073
1.079
1.084
U 40/200 C
130
1.039
1.045
1.051
1.057
1.063
1.069
1.075
1.081
1.087
1.093
1.099
1.105
1.111
U 40/300 C
130
0.976
0.979
0.983
0.987
0.991
0.995
0.999
1.002
1.006
1.010
1.014
1.018
1.021
U 40/300 CH
130
0.976
0.979
0.983
0.987
0.991
0.995
0.999
1.002
1.006
1.010
1.014
1.018
1.021
U 40/400 C
130
0.949
0.952
0.955
0.958
0.961
0.964
0.967
0.970
0.973
0.976
0.979
0.982
0.985
U 40/400 CH
130
0.949
0.952
0.955
0.958
0.961
0.964
0.967
0.970
0.973
0.976
0.979
0.982
0.985
U 40/500 C
130
0.928
0.931
0.933
0.936
0.938
0.941
0.943
0.946
0.949
0.951
0.954
0.956
0.959
U 40/500 CH
130
0.928
0.931
0.933
0.936
0.938
0.941
0.943
0.946
0.949
0.951
0.954
0.956
0.959
U 40/500 CHH
130
0.928
0.931
0.933
0.936
0.938
0.941
0.943
0.946
0.949
0.951
0.954
0.956
0.959
Table 8: f2 (at direct current)
Ambient lemperature
Phase-Distance mm
25° C
30° C
35° C
40° C
45° C
50° C
55° C
60° C
65° C
70° C
75° C
80° C
85° C
U 20/50 CE
50
1.133
1.152
1.171
1.190
1.209
1.228
1.247
1.266
1.285
1.304
1.324
1.343
1.362
U 20/50 AC
50
1.174
1.194
1.214
1.234
1.253
1.273
1.293
1.313
1.332
1.352
1.372
1.392
1.411
U 20/50 C
50
1.077
1.095
1.113
1.131
1.149
1.167
1.185
1.203
1.221
1.239
1.257
1.276
1.294
U 20/50 CH
50
1.077
1.095
1.113
1.131
1.149
1.167
1.185
1.203
1.221
1.239
1.257
1.276
1.294
U 30/120 CE
80
1.132
1.151
1.170
1.189
1.208
1.227
1.246
1.265
1.284
1.303
1.322
1.341
1.360
U 30/75 C
80
1.134
1.153
1.172
1.191
1.210
1.229
1.248
1.267
1.286
1.305
1.324
1.343
1.362
U 30/100 C
80
1.137
1.156
1.175
1.194
1.213
1.233
1.252
1.271
1.290
1.309
1.328
1.347
1.366
U 30/130 CH
80
1.136
1.155
1.175
1.194
1.213
1.232
1.251
1.270
1.289
1.308
1.327
1.346
1.366
U 30/150 C
80
1.071
1.089
1.107
1.125
1.143
1.161
1.179
1.197
1.215
1.233
1.251
1.269
1.287
U 30/200 C
80
1.124
1.143
1.162
1.181
1.200
1.219
1.238
1.257
1.276
1.294
1.313
1.332
1.351
U 30/200 CH
80
1.124
1.143
1.162
1.181
1.200
1.219
1.238
1.257
1.276
1.294
1.313
1.332
1.351
U 40/200 C
130
1.137
1.156
1.175
1.194
1.213
1.233
1.252
1.271
1.290
1.309
1.328
1.347
1.366
U 40/300 C
130
1.071
1.089
1.107
1.125
1.143
1.161
1.179
1.197
1.215
1.233
1.251
1.269
1.287
U 40/300 CH
130
1.071
1.089
1.107
1.125
1.143
1.161
1.179
1.197
1.215
1.233
1.251
1.269
1.287
U 40/400 C
130
1.077
1.095
1.113
1.131
1.149
1.167
1.185
1.203
1.221
1.239
1.257
1.276
1.294
U 40/400 CH
130
1.077
1.095
1.113
1.131
1.149
1.167
1.185
1.203
1.221
1.239
1.257
1.276
1.294
U 40/500 C
130
1.065
1.083
1.101
1.119
1.137
1.155
1.173
1.191
1.208
1.226
1.244
1.262
1.280
U 40/500 CH
130
1.065
1.083
1.101
1.119
1.137
1.155
1.173
1.191
1.208
1.226
1.244
1.262
1.280
U 40/500 CHH
130
1.065
1.083
1.101
1.119
1.137
1.155
1.173
1.191
1.208
1.226
1.244
1.262
1.280
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