Structure
Description
Application
High-voltage cables enable long-distance power transmission for urban grids, renewable energy projects, and industrial applications with minimal energy loss.
Main Characteristics
What is 66 KV HV Power Cable?
A 66 kV HV power cable is a high-voltage cable used for electric power transmission at a voltage rating of 66 kilovolts or 66000 volts. These cables are designed to handle high voltages and are typically used in medium to high-voltage power transmission systems. These cables are often used in power systems to move electrical power from one place to another.
High Voltage XLPE Insulated Power Cable - Premium Solution for Power Transmission Systems (64/110kV to 220kV)
Our high voltage cross-linked polyethylene (XLPE) insulated power cable is engineered for superior performance in critical power transmission applications. Designed to meet the most demanding requirements of modern grid systems, this cable delivers exceptional reliability and efficiency for high voltage networks.
Product Features:
• Advanced Insulation Technology: Triple-extruded XLPE insulation system ensures optimal dielectric properties and long-term
stability
• Voltage Range: Available in 64/110kV, 127/220kV and other high voltage ratings
• Robust Construction: Multi-layer design includes:
Oxygen-free copper or aluminum conductor
Super-smooth semi-conductive screens
Moisture-resistant XLPE insulation
Lead or aluminum laminate moisture barrier
High-density polyethylene (HDPE) outer sheath
Technical Specifications:
• Conductor: Class 2 stranded copper or aluminum (500mm² to 2500mm²)
• Insulation: Super clean XLPE compound with partial discharge <5pC
• Temperature Rating: Normal operation at 90°C with emergency overload to 130°C
• Short Circuit Rating: Up to 250°C for 1 second
Performance Advantages:
✓ Excellent electrical characteristics with low dielectric loss
✓ Superior resistance to partial discharge and treeing
✓ Outstanding mechanical strength and flexibility
✓ Corrosion-resistant metallic barriers
✓ Long service life exceeding 30 years
Certifications & Standards:
Complies with IEC 60840 and IEC 62067
Meets CENELEC HD 632 S1 requirements
Optional certifications: UL 1077, GB/T 11017
Typical Applications:
• Underground power transmission lines
• Power plant feeder connections
• Submarine cable installations
• Urban grid reinforcement projects
• Renewable energy transmission systems
Customization Options:
• Conductor size and material selection
• Armoring options: steel wire or tape
• Special sheathing materials: HDPE, LSZH
• Custom length marking and packaging
• Special testing requirements