Cu 19/33kV
MV cables with Longitudinal Water-Blocking System
Standard
10
9
8
7
6
5
4
3
2
AS/NZS 1429.1
1
Construction:
1
Cu conductor
3
XLPE insulation
5
Semi conductive
water-blocking tape
8
Non-woven fabric tape
2
Conductor screen
4
Insulation screen
6
Cu wire screen
and Cu equalising tape
9
PVC inner sheath
7
Non-hydroscopic filler
10
HDPE outer sheath
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)
Test voltage (kV)
19/33
76
Max.short-circuit temperature (°C)
+250
Operating cond. temperature (°C)
+90
Temperature range for handling (°C)
-35 up to +90
Min. temperature for laying (°C)
-20
Min.storage temperature (°C)
-35
Color of insulation
Color of inner / outer sheath
Packaging
Natural
Client Requirement
Steel Drums
Cu 19/33kV
Technical details
No. of cores
Conductor
diameter
Insulation
thickness
Diameter
over insluation
Approx.
screen area
(mm2)
(mm)
(mm)
(mm)
3x50
8.1
8
3x70
9.6
3x95
Overall
diameter appr.
Cable mass
Radius of bend
Radius of bend
during installation set in position
(mm)
Nominal
thickness
of PVC/HDPE
sheath
(mm)
(mm)
(kg/km)
(mm)
(mm)
26.3
67.9
1.5/2.1
75.5
5386
1888
1133
8
28.0
67.9
1.5/2.2
79.4
6240
1985
1191
11.3
8
29.6
67.9
1.6/2.2
82.9
7215
2073
1244
3x120
12.8
8
31.0
67.9
1.6/2.3
86.2
8196
2155
1293
3x150
14.15
8
32.5
67.9
1.7/2.4
89.6
9202
2240
1344
3x185
15.9
8
34.3
67.9
1.7/2.5
93.8
10587
2345
1407
3x240
18.1
8
36.3
67.9
1.8/2.6
98.4
12489
2460
1476
3x300
20.3
8
38.7
67.9
1.8/2.7
103.9
14637
2598
1559
3x400
23.0
8
41.5
67.9
2.0/2.8
110.5
17540
2763
1658
3x500
26.2
8
44.7
67.9
2.0/2.9
117.8
21082
2945
1767
Cu 19/33kV
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
Solid bond
Cond.
Scr.
(kA)
(kA)
3x50
195
205
145
195
160
7.15
10.0
3x70
245
260
190
240
205
10.0
10.0
3x95
295
315
225
290
245
13.6
10.0
3x120
340
365
260
330
280
17.1
10.0
3x150
380
410
290
365
310
21.4
10.0
3x185
440
475
330
345
350
26.4
10.0
3x240
520
560
385
485
410
34.4
10.0
3x300
595
645
440
550
465
42.9
10.0
3x400
685
745
525
625
545
57.2
10.0
3x500
780
840
595
700
615
71.5
10.0
Cu 19/33kV
Electrical parameters
No.
of cores
Conductor
DC resistance
at 20℃
Conductor
AC resistance
at 50Hz
and 90℃
Inductive
reactance
at 50Hz
and 90℃
Insulation
resistance
at 20℃
Conductor
to screen
capacitance
Charging
current
per phase
Dielectric
loss
per phase
Maximum
dielectric
stress
Screen DC
resistance
at 20℃
Zero
sequence
resistance
at 20℃
Zero
sequence
react
at 50Hz
(mm2)
(Ω/km)
(Ω/km)
(Ω/km)
(MΩ.km)
(µF/km)
(A/km)
(W/km)
(kV/km)
(Ω/km)
(Ω/km)
(Ω/km)
3x50
0.387
0.496
0.143
18000
0.134
0.801
60.9
4.03
0.273
1.51
0.0781
3x70
0.268
0.344
0.134
16000
0.15
0.896
68.1
3.79
0.273
1.08
0.0696
3x95
0.193
0.248
0.125
15000
0.165
0.984
74.8
3.61
0.273
1.01
0.0807
3x120
0.153
0.197
0.12
14000
0.179
1.07
81.1
3.48
0.273
0.97
0.0757
3x150
0.124
0.160
0.116
13000
0.191
1.14
86.8
3.38
0.273
0.94
0.0722
3x185
0.0991
0.128
0.112
12000
0.207
1.32
97.3
3.28
0.273
0.917
0.0647
3x240
0.0745
0.0986
0.108
11000
0.228
1.36
103
3.17
0.273
0.891
0.0627
3x300
0.0601
0.0796
0.104
9700
0.249
1.48
113
3.08
0.273
0.876
0.0594
3x400
0.0470
0.0636
0.101
8800
0.275
1.64
125
2.99
0.273
0.865
0.0558
3x500
0.0373
0.0515
0.0974
8000
0.300
1.79
136
2.93
0.273
0.855
0.0525
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