TABLE 1
Nominal voltage of the cables, number and nominal cross-section of current-carrying conductor
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Conductor
Copper or aluminum, single-wire or multi-wire core, of circular or sector-shaped form, of the 1 or 2 class according to GOST 22483.
Insulation
PVC-compound of low flammability (color coded conductor).
Core arrangement
Insulated conductors of 2, 3, 4, 5 and 6 core cables twisted in cable core.
The cables with the letter ‘g’ are twisted with the water blocking elements.
Inner sheath
PVC-compound of low flammability.
Screen
For cables of types VVGEng(A)-LS and AVVGEng(A)-LS is made of copper tapes or copper wires and a helicon taping with a copper tape.
Cable armoring
For cables of types VBShvng(A)-LS and AVBShvng(A)-LS is laid helically with two steel, galvanized tapes.
Separation layer
For cables of types VVGEng(A)-LS and AVVGEng(A)-LS is made of PET film.
For cables with the letter ‘g’ with water blocking materials. F.e. VVGEgng(A)-LS
Cable sheath or jacket
PVC-compound of low flammability
The cables are designed for transmission and distribution of electric energy in stationary electric installations on alternating voltage 0,66 and 1kV and frequency 50 Hz.
The cables are used at group installations, they do not spread combustion on category A.
The cables are designed for use in cable structures and premises.
Cables of types VBShvng(A)-LS and AVBShvng(A)-LS are used in case of danger of mechanic al damages and they are designed for laying in the ground. For manufacturing of the cables water blocking materials are used. They allow the cables to be resistant to longitudinal water penetration and operation of the cables in wet conditions. In that case letter ‘g’ is found in the designation of the cable. F.e. VBShvgng(A)-LS.
The class of fire hazard of the cables according to GOST 31565- 2012 П1б.8.2.2.2.
Nominal voltage, kV | 0,66 or 1 | |
Ambient temperature during cable operation, °С | from - 50 to +50 | |
Minimum bending radius, diameters of cable | for multi-wire | 7,5 |
for single-wire | 10 | |
The cables are laid at temperature (without preheat), °С, not below | -15 |
TABLE 1
Nominal voltage of the cables, number and nominal cross-section of current-carrying conductor
* – for operation in DC voltage only
Type of cable | Number of conductors | Nominal cross-section of main conductors, mm2 | |
Nominal voltage, kV | |||
0,66 | 1 | ||
VVGng(A)-LS, | 1 | 1,5 – 50 | 1,5 – 1000 |
VVGEng(A)-LS | 2, 3, 4, 5, 6 | 1,5 – 400 | |
AVVGng(A)-LS, AVVGEng(A)-LS | 1 | 2,5 – 50 | 2,5 – 1000 |
2, 3, 4, 5, 6 | 2,5 – 400 | ||
VBShvng(A)-LS | 1 | – | (1,5 – 1000)* |
2, 3, 4, 5, 6 | 1,5 – 50 | 1,5 - 400 | |
AVBShvng(A)-LS | 1 | – | (2,5 – 1000)* |
2, 3, 4, 5, 6 | 2,5 – 50 | 2,5 - 400 |
TABLE 2
Current-carrying conductors are manufactured single- or multi-wire in accordance with the table
Type of conductor | Nominal cross-section of main conductors, mm2 | |||
Circular | Sector-shaped | |||
copper | aluminum | copper | aluminum | |
singular | 1,5 - 50 | 2,5 - 300 | – | 25 - 400 |
multi-wire | 16 - 1000 | 25 - 1000 | 25 - 400 | 25 - 400 |
TABLE 3
Cross-section of copper wires
Designation | Nominal cross-section of main conductors, mm2 | ||||||||
Main conductors | 1,5 | 2,5 | 4 | 6 | 10 | 16 | 25 | 35 | |
Screen | 1,5 | 2,5 | 4 | 6 | 10 | 16 | 16 | 16 | |
Designation | Nominal cross-section of main conductors, mm2 | ||||||||
Main conductors | 50 | 70 | 95 | 120 | 150 | 185 | 240 | 300 | 400 |
Screen | 25 | 35 | 50 | 70 | 70 | 95 | 120 | 150 | 185 |