Atlas Copco
Cable Calculator
Version 1.0
Cable Calculator
Calculation
Generator
Compressor
Source
×
RubberData
TfactorData
mm²
Rubber90
Rubber60
Vd*A*km
10
76
51
5.1
16
103
73
3.2
25
136
97
2.04
35
200
140
1.46
50
250
175
1.02
70
310
216
0.73
95
369
258
0.57
120
432
302
0.46
150
497
347
0.39
185
564
394
0.33
240
673
471
0.28
300
773
541
0.25
400
885
644
0.22
500
1017
738
0.2
630
1190
861
0.19
°C
Tfactor90
Tfactor60
10
1.15
1.15
15
1.12
1.12
20
1.08
1.08
25
1.04
1.04
30
1
1
35
0.95
0.91
40
0.91
0.82
45
0.86
0.71
50
0.82
0.58
55
0.76
0.41
60
0.7
65
0.64
70
0.57
75
0.5
80
0.4
85
0.28
MaxConductorCoreTemp
Rubber90
Rubber60
InputInstallPower
CoolingPower
kVA
RatedVoltage
V
TotalFullLineCurrent
145
A
AmbientTemp
10
15
20
25
30
35
40
45
50
55
60
°C
DerateFactor
1
OutdoorUsage
Yes
No
DerateFactor
0.85
CableTouching
Yes
No
DerateFactor
0.85
SelectSizesOfCable
Select
Cables
MaxCurrent
MaxAPerCable
10
16
25
35
50
70
95
120
150
185
240
300
400
500
4
165
41
OKForCablesUpTo30mIfLongerContinueHere
VoltageDropShortCircuitCalculation
TotalLength
m
NominalRatedProtection
A
VoltageDropWithNominalLoad
×
Voltage variations in 33 kV and 11kV feeders should not exceed the following limits at the farthest end, under peak load conditions & normal system operation regime:
Above 33kV (-) 12.5% to (+) 10%
Up to 33kV (-) 9.0% to (+) 6.0%
Low voltage (-) 6.0% to (+) 6.0%
37 (9%)
V
ShortCircuitCurrent
1569
A
MaximumMagneticProtectionSetting
1.2
Icc/In
