Detailed Product Description
35kv Copper conductor / Aluminium conductor XLPE PVC insulated Middle voltage power cable
1.Product standard
GB12706-91, GB/T18380.3-2001(IEC502 IEC332-3)
2.specifications and names
|
Type
|
Designation
|
|
Copper conductor
|
Aluminium conductor
|
|
ZRYJV
|
ZRYJLV
|
XLPE insulated and PVC sheathed fire retardant power cable
|
|
ZRYJV22
|
ZRYJLV22
|
XLPE insulated, steel tape armored and PVC sheathed fire retardant power cable
|
|
ZRYJV32
|
ZRYJLV32
|
XLPE insulated, steel wire armored and PVC sheathed fire retardant power cable.
|
|
ZRYJV42
|
ZRYJLV42
|
XLPE insulated, Crudewire armored and PVC sheathed fire retardant power cable.
|
|
ZRVV
|
ZRVLV
|
PVC insulated, PVC sheathed fire retardant power cable.
|
|
ZRVV22
|
ZRVLV22
|
PVC insulated, steel wire armored andPVC sheathed fire retardant power cable.
|
|
ZRVV32
|
ZRVLV32
|
PVC insulated, steel wire armored and PVC sheathed fire retardant power cable
|
|
ZRVV42
|
ZRVLV42
|
PVC insulated, Crudewire armored and PVC sheathed fire retardant power cable.
|
3.Operating characteristics
1.(U0/U)0.6/1KV, 3.6/6KV, 6/6KV, 6/10KV, 8.7/10KV, 8.7/15KV, 18/20KV, 21/35 KV, 26/35KV.
The rated voltage(U0/U)0.6/1KV, 3.6/6KV, 6/6KV, 6/10KV, 8.7/10KV, 8.7/15KV, 18/20KV, 21/35 KV, 26/35KV.
2. Max. permissible continuous operating temperatures of conductor not exceed 90°C, Max. short-circuit temperature of conductor shall not exceed 250°C. (5s Max. duration)
3.The ambient temperature under installation shall not below 0°C, the Min. bending radius: not less than 8 times for the cable of external diameter no more than 40mm; not less than 16 times for the others.
4.Test voltage of cable
|
Rated Voltage KV
|
0.6
|
1.8
|
3.6
|
6
|
8.7
|
12
|
18
|
21
|
26
|
|
Test voltage KV
|
3.5
|
6.5
|
12.5
|
21
|
30.5
|
42
|
63
|
73.5
|
91
|
5.Combustible and caustic property of cable
|
Item of test
|
Unit
|
Performance
|
|
Density of smoke test
Min. light transmittance
|
%
|
60
|
|
Causticity of test
Min. PH value
Max. electric conductibility
|
μS/mm
|
4.3
10
|
|
Combustion test of bundled cable
grade of test
Time of supply fire
Total volume of combustible material per meter
Length affected by combustion
|
Min
l/m
m
|
A
40
7
|
B
40
3.5
|
C
20
1.5
|
|
<2.5
|
6.Engine physics performance of insulation and sheath
|
Test item
|
Unit
|
Performance
|
|
Insulation
|
Sheath
|
|
Before ageing test
|
|
|
|
|
Min. tensile force
|
N/mm2
|
12.2
|
9
|
|
Min. elongation of rupture
|
%
|
200
|
125
|
|
After aged by oven
|
|
|
|
|
Temperature
|
°C
|
135±3
|
100±2
|
|
Duration
|
h
|
168
|
168
|
|
Max. rate of change of tensile strength
|
%
|
±25
|
|
|
Min. tensile strength
|
N/mm2
|
|
9
|
|
Max. rate of change of elongation at break
|
%
|
±20
|
|
|
Min. elongation at break
|
%
|
|
110
|
|
Test for thermal extension
|
|
|
|
|
Air temperature
|
°C
|
200±3
|
|
|
Loading time
|
Min
|
15
|
|
|
Mechanical tensile force
|
N/mm2
|
0.2
|
|
|
Max. elongation when loading
|
%
|
175
|
|
|
Maximum permanent deformation after cool
|
%
|
15
|
|
Delivery lengths
The single length of cable is not less 100m, shortage length more than 20m may be delivered, but not exceed 10% of the total length, delivered special requirement to be discussed between the supplier and the buyer, the tolerance of length shall not exceed in ±0.5%.
