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CABLE TYPE
Al-XLPE/PVC self supported 10, 20 and 30 kV
Al-XLPE/PVC self supported 6/10
kV
CONSTRUCTION |
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3 x 25 |
3 x 35 |
3 x 50 |
3 x 70 |
3 x 95 |
3 x 120 |
3 x 150 |
PHASE CONDUCTOR |
Conductor
area |
mm2 |
25 |
35 |
50 |
70 |
95 |
120 |
150 |
Conductor
diameter |
mm |
6.1 |
7.1 |
8.4 |
10.0 |
11.8 |
12.9 |
14.6 |
Insulation
thickness |
mm |
3.4 |
3.4 |
3.4 |
3.4 |
3.4 |
3.4 |
3.4 |
Diameter
over isolation |
mm |
13.7 |
14.7 |
16.0 |
17.6 |
19.4 |
20.5 |
22.2 |
Metallic
screen area |
mm2 |
16 |
16 |
16 |
16 |
16 |
16 |
16 |
Outer
sheath thickness |
mm |
1.8 |
1.8 |
1.8 |
2.0 |
2.0 |
2.0 |
2.0 |
Cable diameter (approx. ) |
mm |
21 |
22 |
23 |
25 |
27 |
28 |
30 |
MESSENGER |
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Conductor
area |
mm2 |
50 |
50 |
50 |
50 |
50 |
50 |
50 |
Steel
strand diameter |
mm |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
Outer
sheath thickness |
mm |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
1.2 |
Messenger
diameter |
mm |
11.4 |
11.4 |
11.4 |
11.4 |
11.4 |
11.4 |
11.4 |
OVERHEAD
NETWORK CABLE |
Overall diameter |
mm |
52 |
54 |
57 |
61 |
65 |
67 |
70 |
Weight ( XHP ) |
kg/km |
2050 |
2205 |
2400 |
2750 |
3080 |
3405 |
3745 |
Weight ( XHE ) |
kg/km |
1900 |
2045 |
2230 |
2555 |
2865 |
3185 |
3510 |
ELECTRIC
PROPERTIES |
Conductor
resistance at 20°C (dc) |
Ohm/km |
1.200 |
0.868 |
0.641 |
0.443 |
0.320 |
0.253 |
0.206 |
Conductor
resistance at 90°C (ac) |
Ohm/km |
1.539 |
1.113 |
0.822 |
0.568 |
0.411 |
0.325 |
0.264 |
Capacitance
of cable |
mF/km |
0.189 |
0.206 |
0.231 |
0.261 |
0.296 |
0.317 |
0.345 |
Inductance
of cable |
mH/km |
0.423 |
0.403 |
0.389 |
0.372 |
0.347 |
0.336 |
0.326 |
Current carrying capacity for
overhead network cable directly exposed to solar radiation ( 30 °C ) |
A |
95 |
150 |
176 |
217 |
264 |
302 |
340 |
Short-circuit current (1 sec ) |
kA |
2.4 |
3.2 |
4.7 |
6.6 |
9.0 |
11.4 |
14.1 |
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