For substations, grid interconnections, industrial parks and large energy projects, selecting a 64-110kV copper XLPE power cable is not only a product decision. It affects installation reliability, fault risk, future maintenance and total project cost. Buyers usually compare voltage grade, conductor cross-section, insulation system, metallic screen, armor or sheath, testing requirements and delivery capability before issuing a purchase order.
JINCHUAN supplies power cables and copper conductor solutions for global industrial and infrastructure projects. This guide explains what procurement teams, EPC contractors and utility buyers should confirm before requesting a quotation.
Where 64-110kV Copper XLPE Cable Is Used
High voltage XLPE insulated cable is commonly used for power transmission between substations, urban grid reinforcement, renewable energy grid connection, mining and metallurgy plants, petrochemical facilities and large manufacturing zones. Compared with overhead conductors, underground or tunnel-installed high voltage cables help reduce corridor limitations and improve safety in dense or controlled environments.
Key Specifications Buyers Should Confirm
| Item | What to Confirm |
|---|---|
| Rated voltage | 64/110kV or project-specified voltage class |
| Conductor | Copper conductor, cross-section, compacted or stranded structure |
| Insulation | XLPE insulation thickness and process control |
| Screening | Conductor screen, insulation screen and metallic screen design |
| Outer sheath | PE, PVC or special sheath according to environment |
| Testing | Routine, type and special tests requested by the project |
Why Copper Conductor Matters
Copper offers high conductivity, stable mechanical performance and strong suitability for demanding current loads. For high voltage cable projects, buyers should verify conductor resistance, cross-sectional area, stranding quality and compatibility with cable accessories. A low initial cable price can become expensive if conductor quality leads to higher losses, termination issues or shortened service life.
Standards and Quality References
For high voltage cable procurement, international buyers often refer to IEC 60840 for extruded insulation power cables above 30kV and up to 150kV. Project documents may also reference local grid standards, installation codes and owner-specific test requirements. JINCHUAN recommends confirming the required standard edition, test certificates and inspection documents before production.
Common RFQ Mistakes
- Only asking for voltage grade without conductor size or installation condition.
- Ignoring short-circuit rating, sheath bonding method and accessory compatibility.
- Comparing prices without checking testing scope and documentation.
- Leaving delivery schedule, drum length and packaging requirements unclear.
How to Compare Suppliers
A reliable high voltage power cable supplier should provide technical review support, stable raw material sourcing, production traceability, test reports and export packaging experience. For overseas projects, buyers should also confirm language support, document format, shipping terms and after-sales coordination.
FAQ
What information is needed for a 64-110kV cable quotation?
Provide rated voltage, conductor material and size, cable structure, sheath material, standard, installation environment, drum length, quantity, destination port and required certificates.
Is XLPE suitable for high voltage cables?
Yes. XLPE is widely used in high voltage power cables because it provides strong dielectric performance, thermal resistance and long-term stability when manufactured and tested correctly.
Can JINCHUAN support customized high voltage cable requirements?
Yes. JINCHUAN can discuss project-specific conductor, sheath, testing and packaging requirements based on the buyer's technical specification.
Need a project quotation? Contact JINCHUAN with your voltage grade, conductor size, standard and application details for a technical review and quotation.
