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Copper conductor with lead sheath screen

Copper conductor with lead sheath screen

Copper conductor with lead sheath screen

LEAD SHEATH SCREEN ( 66 - 225 KV )

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H8NL 1*630//EDL-4

Nexans ref. H8NL 000641 - Country ref. H8NL 1*630//EDL-4

  • Packaging: Drum

 

Description

Description

Standards

  • Test
    IEC 60840

CONSTRUCTION

Conductor: STRANDED ANNEALED COPPER Class 2 acc. to IEC 60228 

Conductor Screen : EXTRUDED CROSSLINKED SEMI-CONDUCTOR

Insulation : XLPE

Insulation Screen :EXTRUDED CROSSLINKED SEMI-CONDUCTOR

Screen : LEAD

PVC or PE Jacket

TEST AT WORKS HV CABLES

Routine Tests 

 -          Max. partial discharge test  at 1.5 Uo acc. to IEC 60840  parag.9.2

 -          High voltage test acc. to IEC 60840  parag. 9.3

 

Liban Cables will carry out these tests on all the lengths and tests certificates will be provided 

 

Sample tests :

 -          Conductor examination  acc. to IEC 60840 parag. 10.4 

 -          Max. DC resistance of conductor acc. to IEC 60840 parag. 10.5

 -          Check of dimensions 

                        Insulation   :  according to IEC 60840       Parag.  10.6.2

                        Metallic screen  :  according to IEC 60840    Parag.  10.7  

                        Oversheath : according to IEC 60840   Parag.  10.6.3 

 -          Hot set test for insulation XLPE acc. to IEC 60840 parag. 10.9

 -          Measurement of capacitance acc. to IEC 60840 parag. 10.10 

 

These tests will be carried out on one length of each size during each inspection 

Tests certificates will be provided by Liban Cables.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Insulating material
XLPE
Screen
Lead
Insulation
XLPE
Colour
Black
Conductor flexibility
Stranded class 2
Conductor shape
Round compacted
Material of the external semi-conductor
Extruded semiconducting compound - fully bonded
Material of the inner semi-conductor
Extruded semiconducting compound
Outer sheath
PVC

Dimensional characteristics

Dimensional characteristics

Approximate net weight
17580 kg/km
Conductor cross-section
630 mm²
Conductor diameter
30.2 mm
Nominal insulation thickness
10.0 mm
Nominal outer diameter
71.0 mm
Nominal outer sheath thickness
3.3 mm
Screen thickness
4.2 µm

Electrical characteristics

Electrical characteristics

A.C. Conductor resist. 50Hz and at 90 °C
0.03969 Ohm/km
Max. DC resistance of the conductor at 20°C
0.0283 Ohm/km
Nominal capacitance
0.298 pF/m
Permissible current rating when buried
731 A
Permissible short circuit current conductor 1s
90.8 kA
Permissible short circuit current screen 1s
20.0 kA
Rated Voltage Uo/U (Um)
36/66 (72,5) kV
Test voltage
95 kV
Thermal soil resistivity wet zone
1.5 °K.m/W

Mechanical characteristics

Mechanical characteristics

Cable flexibility
15xD
Mechanical resistance to impacts
Good

Usage characteristics

Usage characteristics

Ambient air temperature
30 °C
Ambient ground temperature
20 °C
Flame retardant
IEC 60332-1-2
Laying depth, center of system
800 mm
Maximum operating temperature
90 °C
Operating temperature, range
-15 ... -55 °C
Short-circuit max. conductor temperature
250 °C

Resources

Resources

Documentation

Copper conductor with lead sheath screen pdf — 107.1 kB
Download
Generalities & correction factors pdf — 270.9 kB
Download
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