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Single-core power cables with XLPE insulation, armoured by aluminum tape or aluminum wire in polyethylene oversheath

Single-core power cables with XLPE insulation, armoured by aluminum tape or aluminum wire in polyethylene oversheath

TU U 27.3-31850229-032:2014
IEC 60502-2

 

Application

Single-core power cables with XLPE insulation, armoured by aluminum tape or aluminum wire in polyethylene oversheath:

PvBaP, PbKaP, APvBaP, APvKaP (, , , )

3.6/6; 6/10; 8.7/15; 12/20; 18/30 kV

These cables are intended for laying in premises, in ducts, channels, dry soils and places where mechanical impacts on cables, including stretching forces, might be possible. Also these cables can be used for installation on lines of complicated configuration.

The cables of PvKaP, APvKaP types are specially intended for laying in ordinary soils (trenches), as well as in highly corrosive soils.

Ordering designation of cable: APvKaP – 6/10 kV 1×300/16.

 

Construction

Conductor
Copper or aluminum round compacted conductor (class 2 in accordance with GOST 22483).

Screen overlying of electroconductive core screen
Extruded electroconductive cross-linked polymer composition.

Insulation
Insulation of cross-linked polyethylene (XLPE).

Screen over insulation
Extruded electroconductive cross-linked polymer composition.

Separation layer
A layer of electroconductive paper tape or electroconductive synthetic tape.

Copper wires screen stranded copper tape
Copper wires screen. Spiralled copper tape or copper wires skein must be laid over copper wires.

Separation layer
Separation layer of nonwoven fabric.

Inner sheath
Laid-on by extrusion.

Armour
Armour of aluminum tapes (Ba) or round aluminum or aluminum alloy wires (Ka).

Oversheath
Polyethylene (P).

Technical characteristics

Nominal conductor cross-section 25 – 800 mm
Nominal screen cross-section
Possible to produce cable with a larger screen cross-section , as agreed while placing the order
16–70 mm
Ambient temperature during operation cable from -60 °C up to +50 °C
Relative humidity at ambient temperatures up to (35±2) °C 98%
Minimal temperature of cable laying without pre-heating -20 °C
Allowed cable laying after pre-heating from -20 °C up to -40 °C
Maximum permissible temperature for the conductors heating:
  • protractedly
  • in emergency mode
  • in short circuit mode



+90 °C
+130 °C
+250 °C

Minimum allowed radius of bending during cable laying 15 diameters of cable
The level of partial discharges no more 10 pKi
Guarantee period 5 years
Service life 30 years

Permissible current loads and permissible short-circuit currents for these cables are described in cross-section «Reference data».

Manufactured cable length may be agreed with the customer request.

The manufacturer can ensure compliance of cable quality with requirements of current technical specification, provided all terms of transportation, storage, installation and use have been observed.

On customers request is allowed other marking of cable.

All products are certified.


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71101, Ukraine, Zaporozhye region,
Berdyansk, Promyshlennaya St., 2b
Phone: +380-6153-20000 (reception)
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