6-35 kV + armour
6-35 kV armoured power cable with copper conductors and XLPE insulation
PvBV is the armoured version of PvV for installation in ground. The construction includes armour of two galvanised steel tapes and an outer sheath. It is used in 6-35 kV distribution networks for installation in trenches, tunnels and under mechanical loads. Designation breakdown: Pv – XLPE, B – armour (steel tapes), V – PVC outer sheath.
Sizes of armoured single-core cables for 6/10 kV. Actual technical specifications from factory data.
| Type / size | Cores | Cross-section, mm² | Voltage | Copper screen, mm² | Outer Ø, mm | Weight, kg/km | Current (in air), A |
|---|---|---|---|---|---|---|---|
| PvBV 1×16 | 1 | 16 | 6/10 kV | 16 | 19.5 | 523 | 128 |
| PvBV 1×25 | 1 | 25 | 6/10 kV | 16 | 20.6 | 616 | 167 |
| PvBV 1×35 | 1 | 35 | 6/10 kV | 16 | 21.6 | 715 | 203 |
| PvBV 1×50 | 1 | 50 | 6/10 kV | 16 | 23.1 | 863 | 243 |
| PvBV 1×70 | 1 | 70 | 6/10 kV | 16 | 24.6 | 1048 | 303 |
| PvBV 1×95 | 1 | 95 | 6/10 kV | 16 | 26.4 | 1279 | 369 |
| PvBV 1×120 | 1 | 120 | 6/10 kV | 16 | 28.1 | 1515 | 426 |
| PvBV 1×150 | 1 | 150 | 6/10 kV | 25 | 29.9 | 1848 | 481 |
| PvBV 1×185 | 1 | 185 | 6/10 kV | 25 | 32 | 2186 | 550 |
| PvBV 1×240 | 1 | 240 | 6/10 kV | 25 | 34.4 | 2663 | 647 |
| PvBV 1×300 | 1 | 300 | 6/10 kV | 25 | 36.5 | 3169 | 739 |
| PvBV 1×400 | 1 | 400 | 6/10 kV | 35 | 40 | 4090 | 837 |
| PvBV 1×500 | 1 | 500 | 6/10 kV | 35 | 43.6 | 4976 | 942 |
| PvBV 1×630 | 1 | 630 | 6/10 kV | 35 | 46.9 | 6054 | 1064 |
PvBV is the armoured version of PvV for installing medium-voltage trunk lines in ground. The double steel tape armour and the outer PVC sheath protect the cable from excavation work, ground subsidence, frost heave and other mechanical impacts.
It is used for 6-35 kV urban cable lines, for supplying the substations of large consumers (industrial enterprises, data centres, airports) and for trunk routes between substations. It is installed in groups of 3 single-core cables or in a three-core version.
Conductor
Copper, stranded, circular, compacted.
Semi-conducting conductor screen
Electrically conductive cross-linked compound.
Insulation
Cross-linked polyethylene (XLPE), 3.4 mm for 6/10 kV.
Semi-conducting insulation screen
Evens out the electric field.
Copper screen
Copper wires + helically applied copper tape.
Inner sheath (bedding)
PE compound under the armour.
Armour
Two galvanised steel tapes applied helically.
Outer sheath
PVC compound, black.
Cross-section of PvBV – Cu conductor, XLPE, copper screen, steel tape armour, PVC sheath
The full product range (all voltages 6-35 kV) is given in the TCG datasheet
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