Product Catalog
Power cables with XLPE insulation 6-35 kV

Single or three core XLPE insulated cables with polyethylene outer sheath, longitudinally watertight APvEgP / PvEgP 6-35kV

Кабели силовые с изоляцией из сшитого полиэтилена АПвПг, ПвПг на напряжение 6-35 кВ

Application

Power cables with XLPE insulation for rated voltages U0/U(Um) from 3,6/6 (7,2) kV up to and including 20,8/35 (42) kV at 50 Hz AC.
Uo - phase to ground voltage.
U - rated phase to phase voltage.
Um - maximum voltage (permissible highest voltage for which the equipment is specified).
Cables are suitable for installation in the following areas:
- in soil (trenches), despite the corrosiveness degree of soils, if protected from mechanical damage;
- in the air, including cable structures, if provided the additional fire protection;
- on difficult route sections, with unlimited difference of elevation.

Construction

1. Conductor: aluminium or copper stranded compacted round core, acc. to EN 60228 class 2;
2. Inner extruded semiconductive layer (conductor screen): cross-linked PE-compound;
3. Insulation: XLPE;
4. Outer extruded semiconductive layer (insulation screen): cross-linked PE-compound;
5. Lapping layer: semiconductive swellable water-blocking tape;
6. Screen: copper wires fastened with a copper tape;
7. Separating layer: swellable water-blocking tape(for three core cable-extruded filling of PVC );
8. Outer sheath: polyethylene.

Design options:

APvEgPng-HF, PvEgPng-HF - cables with halogen-free & flame retardant performance.

Requirements compliance

International: IEC 60502-2; CENELEC HD 620 S2 / 605 S2; IEC 60840;
National: TS U 27.3-05758730-093:2017;
Flammability: IEC 60332-1-2, DSTU IEC 60332-1-2, DSTU 4809.

Technical-operational characteristics

Ambient temperature, °С from -60°С to +50°С
Continious permissible conductor temperature +90°С
Maximum permissible conductor temperature at short circuit +250°С
Maximum permissible temperature of copper screen at short circuit +350°С
Maximum permissible conductor temperature during a short circuit under condition of non-ignition of the cable (duration of the short circuit should not exceed 5 sec.) +400°С
Maximum permissible conductor temperature in emergency operation 130 °С
Duration of the cable in emergency operation should not be more than 8 hours per day and not more than 1000 hours for the service life 8 hours per day;
1000 hours for service life
Installation of the cables without prior heating should be carried out at temp., not less than -15°С
Minimum bending radius by laying:  
- single core cable not less than 20 overall diam
- three core cable not less than 15 overall diam
Warranty period: 5 years from the date of commissioning of the cables, but not more than 6 years from the date of manufacture;
The minimum cable life is 40 years. The actual service life is not limited to the specified period, but is determined by the technical condition of the cable
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