Cables installed in single way ducts
Group rating factors for multicore core cables in single way ducts,
horizontal formation (average value)
| |
 |
| Spacing |
| |
Number Of Ducts In Ground
|
Touching |
0.30m |
0.45m |
0.60m |
3.6/6 to
12/20kV
Cables |
2 |
0.88 |
0.91 |
0.93 |
0.94 |
| 3 |
0.80 |
0.84 |
0.87 |
0.89 |
| 4 |
0.75 |
0.81 |
0.84 |
0.87 |
| 5 |
0.71 |
0.77 |
0.82 |
0.85 |
| 6 |
0.69 |
0.75 |
0.80 |
0.84 |
| |
18/30kV
cables |
2 |
0.87 |
0.89 |
0.92 |
0.93 |
| 3 |
0.78 |
0.82 |
0.85 |
0.87 |
| 4 |
0.73 |
0.78 |
0.82 |
0.85 |
| 5 |
0.69 |
0.75 |
0.79 |
0.83 |
| 6 |
0.67 |
0.73 |
0.78 |
0.82 |