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KVEBShv-KhL, KVEBShv(u)-KhL, according to specifications 16.K121-024-2013
specifications 16.K121-024-2013

Main conductor

Copper, single-wire or multi-wire, of circular or sector-shaped form, of the 1 or 2 class according to GOST 22483, with the cross-section from 25 to 240 mm2.

Auxiliary conductor

Copper, single-wire, of circular form, of the 1 class according to GOST 22483, with the cross-section from 6 to 10 mm2.

Earth conductor

Copper, single-wire or multi-wire core, of circular form, of the 1 or 2 class according to GOST 22483 with the cross-section from 10 to 70mm2.

For cables with the main conductors of sector-shaped form can consist of three separated conductors, meanwhile the cross-section of each conductor makes one third of the total cross-section of the earth conductor.

Insulation

For main and auxiliary conductors - PVC-compound (color coded conductor).

Screen

Is made of taping with the tapes of conductive non-woven fabric and with copper tapes.

Core arrangement

Screened conductors of 3-core cables, auxiliary conductor and earth conductor are twisted.

Inner sheath

It is made by extrusion with PVC-compound with the filling of outer gaps between conductors.

Cable armoring

It is laid helically with two steel, galvanized tapes.

Jacket

PVC-compound. For modification “(u)” forced protective jacket

The cables are designed for transmission and distribution of electric power at the stationary installation on the nominal alternating voltage of frequency 50 Hz for main conductors 6 kV and for auxiliary conductor to 0.38 kV.

The cables are used for single installation on the horizontal and inclined workings of the mines without restriction of difference in levels, on the surface of mines, pits and for laying in the ground in case of danger of mechanic damage in process of operation, if the cable is not exposed to significant tensile force.

For manufacturing of the cables the materials which allow the cables to be resistant to effect of low temperature are used.

The class of fire hazard of the cables according to GOST 31565 01.8.2.5.4

Nominal voltage, kV 6
Ambient temperature during cable operation, °С from - 60 to +50
The cables are laid at temperature (without preheat), °С, not below -15
Relative humidity at ambient temperatures up to +35°С , % up to 98
 
Minimum bending radius, diameters of cable 12
пat installation with usage of a special template 7,5

TABLE 1

Number of conductors and nominal cross-section of conductors

* – by agreement with a customer it is allowed other nominal cross-sections of auxiliary conductors and earth conductors and their number. It is allowed to manufacture the cables without earth conductor and auxiliary conductor.

Number and cross-section of conductors, mm2
Main Auxiliary* Earth*
3х25 1х6 1х10
3х35 1х6 1х16
3х50 1х10 1х16
3х70 1х10 1х25
3х95 1х10 1х35
3х120 1х10 1х35
3х150 1х10 1х50
3х185 1х10 1х50
3х240 1х10 1х70

 

TABLE 2

Current-carrying conductors are manufactured single- or multi-wire according to the table

Name of conductor Nominal cross-section of conductor, mm2
circular Sector-shaped
Single-wire  6 - 50
Multi-wire 16 - 240 50 - 240

 

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