Download Vision Cable - Phase to Phase

Transcript
2
09-150 pmo
............................................................................................................................................. 43
Results
General ........................................................................................................................................................... 43
Export ........................................................................................................................................................... 45
............................................................................................................................................. 46
Extra
47
Cable type...........................................................................................................................................................
editor
49
Example .....................................................................................................................................................
single-conductor XLPE cable
.....................................................................................................................................................
51
Example three-conductor
XLPE cable
.....................................................................................................................................................
53
Example three-conductor PILC cable
Langauge ........................................................................................................................................................... 55
Options ........................................................................................................................................................... 55
5
IEC Background ...........................................................................................................................................................................
information
59
5.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
Cable model ........................................................................................................................................................................ 59
................................................................................................................................................................. 59
Cable construction
Cable losses ................................................................................................................................................................. 62
................................................................................................................................................................. 62
Thermal resistances
................................................................................................................................................................. 63
Calculation model
.................................................................................................................................................................
64
Temperature scheme
5.2
65
Calculation of........................................................................................................................................................................
continuous current rating
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.3
5.3.1
5.3.2
5.3.3
Cable types ................................................................................................................................................................. 66
................................................................................................................................................................. 66
Bonding
66
Environmental.................................................................................................................................................................
factors
Drying of soil ................................................................................................................................................................. 67
67
Installation in.................................................................................................................................................................
air
.................................................................................................................................................................
68
Installation under
ground
........................................................................................................................................................................
70
Dynamic current
calculation
.................................................................................................................................................................
71
Transient temperarture
response
.................................................................................................................................................................
72
Maximum step current
Cyclic current ................................................................................................................................................................. 73