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ATPC High Voltage Power Cables

High Voltage Power Cable is engineered for reliable transmission of electrical power in demanding utility, industrial, and infrastructure environments. Designed for applications above 35,000V and extending into extra-high-voltage transmission ranges, these cables deliver efficient long distance power transfer while maintaining exceptional safety and durability.

Constructed with robust conductor materials and advanced insulation systems such as XLPE or TR-XLPE, the cable incorporates metallic shielding and optional armor to control electrical stress and protect against environmental damage. These cables are ideal for underground installations, substations, renewable energy systems, and heavy industrial facilities where high reliability and minimal power loss are critical.

Features

High-Capacity Copper or Aluminum Conductors

Designed to transmit large amounts of electrical energy efficiently with minimal resistive loss over long distances.

Advanced XLPE or TR-XLPE Insulation Systems

Provides excellent dielectric strength and long-term thermal stability required for high-voltage operation.

Semiconductive Screening and Metallic Shielding

Controls electrical stress within the cable structure and provides a safe path to conduct fault currents to ground.

Heavy-Duty Jacket and Optional Armoring

Protects the cable from mechanical damage, moisture, corrosion, and environmental exposure in underground, tunnel, and industrial installations.

Large Conductor Size Capability

Supports conductor sizes up to approximately 3500 mm² (7000 kcmil equivalent), enabling high-capacity power transmission in large infrastructure projects.

Resources

TPC-Literature Image-02

High Voltage Power/Utility Transmission Cable Brochure

Ratings / Characteristics

  • 46kV – 500kV (depends on design)

  • Conductor temperature determined by insulation system

  • XLPE / TR-XLPE

  • IEC 60840

  • IEC 60228

  • ICEA S-108-720

  • AEIC CS9

  • Copper or Aluminum Conductors

  • HDPE or PVC jacketing options

  • Lead sheathing or corrugated aluminum sheathing armoring options

  • Available with terminations

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