Cu 38/66kV
HV cables with Longitudinal Water-Blocking System
Standard
9
8
7
6
5
4
3
2
AS/NZS 1429.2
1
Construction:
1
Copper compact conductor
or Milliken conductor
3
XLPE insulation
5
Semi conductive
water-blocking tape
7
Non-conductive
water-blocking tape
2
Semi-conductive screen tape
and Extruded conductor screen
4
Insulation screen
6
Cu wire screen
and Cu equalising tape
8
APL sheath
9
HDPE outer sheath
and Graphite coat
Application:
Cables are designed for fixed installation, for laying in the ground, for indoor applications and in cable ducts.
Properties:
Rated voltage U0/U (kV)
38/66
Min. temperature for laying (°C)
-20
Max.short-circuit temperature (°C)
+250
Min.storage temperature (°C)
-35
Operating cond. temperature (°C)
+90
Temperature range for handling (°C)
-35 up to +90
Color of insulation
Color of inner / outer sheath
Packaging
Natural
Client Requirement
Steel Drums
Cu 38/66kV
Technical details
No. of cores
Conductor
diameter
Insulation
thickness
Diameter
over insluation
Approx.
screen area
Overall
diameter appr.
Cable mass
(mm)
Nominal
thickness
of APL/HDPE
sheath
(mm)
(mm2)
(mm)
(mm)
(mm)
(mm)
1x120
12.8
13
41.8
116.3
0.25/2.6
1x150
14.2
12
44.1
116.3
1x185
15.9
12
43.9
1x240
18.1
12
1x300
20.3
1x400
Radius
of bend
set
in position
(mm)
Permissable
pulling force
(kg/km)
Radius
of bend
during
installation
(mm)
55.1
55.1
1102
827
8.4
0.25/2.6
54.5
4384
1090
818
10.5
116.3
0.25/2.6
57.2
4822
1144
858
12.95
45.9
116.3
0.25/2.7
59.4
5429
1188
891
16.80
11
46.3
116.3
0.25/2.7
59.8
5947
1196
897
21
23.0
11
49.1
116.3
0.25/2.8
62.8
6867
1256
942
28
1x500
26.0
11
52.3
116.3
0.25/2.9
66.2
7996
1324
993
35
1x630
30.0
11
55.8
116.3
0.25/3.0
69.9
9525
1398
1049
44.10
1x800
34.2
10
58.6
116.3
0.25/3.1
72.8
11508
1456
1092
56
1x1000
39.5
10
62.9
116.3
0.25/3.2
77.4
13383
1548
1161
70
1x1200
43.5
10
69.5
116.3
0.25/3.3
84.2
15540
1684
1263
84
1x1600
49.2
10
74.0
116.3
0.25/3.5
89.2
19618
1784
1338
112
1x2000
55.2
10
80.0
116.3
0.25/3.7
95.6
23596
1912
1434
140
1x2500
61.5
10
86.3
116.3
0.25/3.9
102.3
28490
2046
1535
175
[kN]
Cu 38/66kV
Current ratings
Continuous current-carrying capacity (A)
In air
Fault current carrying
capacity for 1 second
In ground
No.
of cores
Solid bond
(mm2)
Solid bond
Solid bond
Solid bond
Cond.
Scr.
(kA)
(kA)
1x120
415
435
375
356
17.2
16.5
1x150
468
492
385
366
21,5
16,5
1x185
480
500
415
400
26.5
16.5
1x240
560
590
480
460
34.3
16.5
1x300
640
680
540
530
42.9
16.5
1x400
740
770
610
600
57.2
16.5
1x500
840
890
690
680
71.5
16.5
1x630
970
1020
770
760
90.1
16.5
1x800
1100
1160
850
840
114
16.5
1x1000
1270
1340
970
960
143
16.5
1x1200
1390
1470
1050
1030
172
16.5
1x1600
1958
2055
1363
1294
229
16.5
1x2000
2196
2305
1494
1419
286
16.5
1x2500
2510
2635
1704
1618
357.5
16.5
Cu 38/66kV
Electrical parameters
No.
of cores
Conductor
DC resistance
at 20℃
Conductor
AC resistance
at 50Hz
and 90℃
Inductive
reactance
at 50Hz
and 90℃
Conductor
to screen
capacitance
Screen DC
resistance
at 20℃
Zero
sequence
resistance
at 20℃
Zero
sequence
react
at 50Hz
(mm2)
(Ω/km)
(Ω/km)
(Ω/km)
(µF/km)
(Ω/km)
(Ω/km)
(Ω/km)
1x120
0.153
0.196
0.163
0.116
0.162
0.142
0.090
1x150
0.124
0.160
0.158
0.124
0.162
0.137
0.088
1x185
0.0991
0.127
0.156
0.133
0.162
0.132
0.084
1x240
0.0754
0.0973
0.150
0.144
0.162
0.129
0.081
1x300
0.0601
0.0781
0.140
0.172
0.162
0.123
0.078
1x400
0.047
0.0618
0.134
0.189
0.162
0.110
0.073
1x500
0.0366
0.0489
0.130
0.204
0.162
0.101
0.069
1x630
0.0283
0.039
0.122
0.232
0.162
0.0928
0.062
1x800
0.0221
0.0318
0.117
0.263
0.162
0.0872
0.058
1x1000
0.0182
0.0241
0.115
0.274
0.162
0.0808
0.056
1x1200
0.015
0.0202
0.113
0.298
0.162
0.0778
0.055
1x1600
0.0113
0.0156
0.112
0.326
0.162
0.0678
0.053
1x2000
0.0090
0.0129
0.110
0.356
0.162
0.0608
0.051
1x2500
0.0073
0.0110
0.097
0.387
0.162
0.0575
0.047
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