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Three-core power cables with XLPE insulation armoured with galvanized steel tape or steel wire and polyethylene oversheath

Three-core power cables with XLPE insulation armoured with galvanized steel tape or steel wire and polyethylene oversheath

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

 

Application

Three-core power cables with XLPE insulation armoured with galvanized steel tape or steel wire and polyethylene oversheath

PvBP, PbKP, APvBP, APvKP (, , , )

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 PvKP, APvKP types are specially intended for laying in ordinary soils (trenches), as well as in highly corrosive soils.

Ordering designation of cable: PvBP – 6/10 kV 3×95/25.

Conformity the foreign-made analogues:
N2XSEBY, VDE 0276-620:1996 (HD 620 S1, 5, 6)

 

Construction

Conductors
Copper or aluminum round compacted or sector-shaped 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.

Cable core
Screened by copper wires round conductors of cables are stranded into the cable core. The inner sheath is laid over the cable core. The inner sheath must be compatible with insulation material and oversheath.

Armour
For these cables armour is made from galvanized steel tapes (B) or galvanized steel wires (K).

Oversheath
Polyethylene (P).

Technical characteristics

Nominal conductor cross-section 25 – 240 mm
Nominal screen cross-section
Possible to produce cable with a larger screen cross-section , as agreed while placing the order
16–50 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 12 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,
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