Application and Design
These power cables are the new generation of cables forpublic medium voltage distribution–HTA. Used for direct installation on the ground, water, outdoors, indoors and in cable ducts.
The cable is made of 1 or 3 bunched cores. The longitudinal seal is provided by a swelling powder.
Construction
1 Conductor ：Aluminum or copper, class 2,circular compacted conductors
2 Conductor screen: Non-metallic,semi-conducting compound
3 Insulation:Cross-linked polyethylene(XLPE)
4 Insulation screen:Non-metallic,semi-conducting compound,extruded strippable grooved elastomer
5 Longitudinal water tightness: Swelling powder
6 Metallic screen: Aluminium plastic tape (AL/PET)
7 Outer sheath: Polyethylene (PE)
Specification
IEC 60228 Conductors of insulated cables
NFC 33-226 Insulated cables and their accessories for power networks Cables with rated voltages from 6/10(12) kV to 18/30(36) kV, insulated with fixed-gradient cross-linked polyethylene, for distribution networks
IEC 60502-2 Power cables with extruded insulation and their accessories for rated voltages from 1kV(Um=1.2kV) up to 30kV(Um=36kV) – Part 2:Cables for rated voltages of 6kV(Um=7.2kV) and 30 kV(Um=36kV)
| ALUMINIUM PRODUCTS | |||||
| conductor cores | Cross section [mm²] | Approx. weight [kg/km] | Max. DC Resist. Cond. 20°C [Ohm/km] | A.C. Conductor resist. at 90 °C – flat formation [Ohm/km] | Perm. current rating open |
| 1 | 150 | 1211 | 0.206 | 0.265 | 360 |
| 1 | 240 | 1550 | 0.125 | 0.161 | 490 |
| 1 | 240 | 1550 | 0.125 | 0.161 | 490 |
| 1 | 400 | 1211 | 0.0776 | 0.103 | 649 |
| 1 | 630 | 1550 | 0.0469 | 0.062 | 892 |
| 1 | 630 | 1550 | 0.0469 | 0.062 | 892 |
| 3 | 150 | 1211 | 0.206 | 0.265 | 360 |
| 3 | 240 | 1550 | 0.125 | 0.161 | 490 |
| 3 | 240 | 1550 | 0.125 | 0.161 | 490 |
| COPPER PRODUCTS | |||||
| conductor cores | Cross section [mm²] | Approx. weight [kg/km] | Max. DC Resist. Cond. 20°C [Ohm/km] | A.C. Conductor resist. at 90 °C – flat formation [Ohm/km] | Perm. current rating open |
| 1 | 70 | 1550 | 0.0469 | 0.062 | 892 |
| 1 | 95 | 1550 | 0.0469 | 0.062 | 892 |
| 1 | 185 | 1550 | 0.0469 | 0.062 | 892 |
| 1 | 185 | 1550 | 0.0469 | 0.062 | 892 |
| 1 | 24 | 1550 | 0.0469 | 0.062 | 892 |
| 3 | 95 | 1550 | 0.0469 | 0.062 | 892 |
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