ПвБаШв-ХЛ (PvBaShv-KhL) – Russian analogue of N2XB(Al)Y Cold Resistance
SCOPE AND PURPOSE
The cables are designed for transmission and distribution of electric energy in stationary installations on alternating voltage 0,66 and 1kV, frequency 50 Hz
The cables are used for single installation in cable constructions, open-air electrical installations (cable overpasses, arcades).
The cables armored with steel, galvanized wires or wires of aluminum or aluminum alloy are designed for laying on the route, where the tensile forces during exploration are possible, including for installation in seismically active areas, in conditions of permafrost and areas, subjected to offset soil, in bulk and dry soils.
While manufacturing the cables one use the materials, which allow the cables to be resistant to low temperatures up to – 600C (degrees below zero) are used.
The class of fire hazard of the cables is according to GOST 31565 01.8.2.5.4.
Copper core, circular or sector-shaped form, of the 1 or 2 class according to GOST 22483.
XLPE (color coded conductor).
Core arrangement and twisting
Insulated conductors of multi-wire conductors twisted in cable core. It is allowed to manufacture cables with SZ-stranding.
PVC-compound, it is made by extrusion with filling of exterior gaps between insulated cores (for non armored and non screened cables and without SZ-stranding it is allowed manufacturing without any filling).
Cable armor is laid with two aluminum tapes
Cable sheath or jacket
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