Description
Power cable 8.7/15kV 26/35kV XLPE Copper Core
Product Description
1. General Cable Introduction
This is the 2026 new upgraded XLPE insulated copper core power cable, covering rated voltage grades of 8.7/15kV and 26/35kV. Manufactured in strict accordance with GB/T 12706 and IEC 60502 international standards, it serves as essential power transmission equipment for modern power distribution systems.
Adopting 99.99% high-purity oxygen-free copper conductor and cross-linked polyethylene (XLPE) insulation, the cable features a multi-layer structure including conductor, conductor shielding, XLPE insulation, insulation shielding, metallic shielding, filling layer, optional armoring and outer sheath. It delivers outstanding advantages such as high conductivity, stable insulation, heat resistance, corrosion resistance and high mechanical strength. The maximum long-term operating temperature reaches 90°C, and the short-circuit withstand temperature can reach up to 250°C within 5 seconds. Suitable for direct burial, tunnel, cable tray and underwater laying, it is widely applied in urban power grids, industrial engineering, energy infrastructure and commercial building power transmission and distribution projects.
2. Medium Voltage Cable (8.7/15kV)
The 8.7/15kV XLPE copper core cable is a standard medium voltage power cable with rated voltage Uo/U 8.7/15kV, designed for 15kV and below medium voltage distribution networks, and is the mainstream choice for urban and industrial medium voltage power distribution.
Key Features
- Adopts compact round copper conductor and three-layer co-extrusion cross-linking technology for integrated forming of conductor shielding, XLPE insulation and insulation shielding, ensuring uniform insulation thickness and excellent electrical performance with no partial discharge risk.
- High conductivity copper core reduces line loss; XLPE insulation provides superior voltage resistance and long-term electric field stability, with good oil resistance, acid & alkali resistance and anti-aging performance.
- Flexible laying performance with standard bending radius, applicable for direct burial, pipe duct and tunnel laying in various medium voltage distribution projects.
Application Scope
Mainly used for 10kV/15kV power distribution in urban grid networks, connecting substations, distribution rooms and community transformers. Also widely used for medium voltage power supply in large industrial plants, mines, metallurgy, petrochemical industries, commercial complexes and industrial parks.
3. High Voltage Cable (26/35kV)
The 26/35kV XLPE copper core cable belongs to high voltage power cable with rated voltage Uo/U 26/35kV, suitable for system voltage up to 40.5kV. It acts as the main backbone cable for 35kV high voltage transmission and distribution networks for large-capacity and long-distance power delivery.
Key Features
- Equipped with thickened XLPE insulation and multi-layer shielding structure with high coverage metallic shielding, effectively balancing electric field distribution and preventing high voltage breakdown for long service life and stable operation.
- Large cross-section copper conductor provides high current carrying capacity and strong overload capability, meeting high-capacity power transmission requirements and excellent short-circuit withstand performance.
- Optional steel tape or steel wire armoring with high-strength PE/PVC outer sheath, featuring mechanical impact resistance, soil corrosion resistance and rodent protection, adaptable to harsh underground and outdoor laying environments.
Application Scope
Widely used as main lines of high voltage distribution networks for connecting 110kV/220kV substations and 35kV switching stations, large industrial high voltage distribution rooms and new energy booster stations. Ideal for urban high voltage grid renovation, large infrastructure projects, chemical industrial parks and port terminal high power supply projects.
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