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ILJIN Electric is driving Korea’s growth beyond its borders to the world.

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Extra High Voltage Cable

Extra High Voltage XLspanE Cable

ILJIN’s Extra High Voltage (EHV) cables are designed using Korea’s leading power technology and advanced manufacturing processes,
delivering reliable performance across a wide voltage range from 66 kV to 500 kV.

These cables ensure stable operation at 90 °C in continuous service, and maintain reliability at temperatures up to 250 °C under fault conditions.
Manufactured with triple-extrusion, water-tree-retardant insulation, and precision cross-linking technologies, they offer outstanding insulation properties as well as excellent thermal and electrical performance.
Widely adopted in power plants, large-scale industrial complexes, and national transmission networks, ILJIN’s EHV cables contribute to enhancing reliability and efficiency across the entire power grid.

Product Classification
  • Cross-linked Polyethylene (XLPE) Insulated Power Cables, 66kV–500kV
  • Eco-friendly 154kV Polypropylene (PP) Insulated Cables
Application
  • Transmission between large-scale power plants and substations.
Features
  • Enhanced long-term insulation stability through triple-layer extrusion and precise cross-linking control
  • Excellent thermal and electrical performance suitable for continuous high-temperature operation and overcurrent conditions
  • Optimized dielectric design that reduces transmission losses and improves operating efficiency
  • High mechanical strength with strong resistance to external impacts

Delivery Records

Reference
  • KEPCO, 345kV Bukdangjin–Shintangjeong Underground T/L Construction Project
  • KEPCO, 345kV Godeok 2–Seoanseong Underground T/L Construction Project
  • KEPCO, 154kV Eulwang Branch Underground T/L Construction Project
  • KEPCO, 154kV Seongbon–Daeso Underground T/L Construction Project (with PP Cable)
  • Korea East-West Power, Eumseong Natural Gas Power Plant Project
  • POSCO DX, 154kV Gwangyang LNG Terminal Transmission Line Project
  • AWS, 154kV ICN062 Incheon Data Center Transmission Line Project
  • SK E&S, 154kV Imja Region Solar Transmission Line Project
  • Hyundai Engineering & Construction, 154kV Busan Data Center Transmission Line Project
  • Emirates Nuclear Energy Corporation (ENEC), UAE, 400kV Underground Cable Project
  • Ministry of Electricity and Water (MEW), Kuwait, #10 400kV Underground Cable Project
  • Electricity & Water Authority (EWA), Bahrain, Jasra 400kV Underground Cable Project
  • Singapore Power Group (SPPG), NDC369 230kV Underground Cable Project
  • Tenaga Nasional Berhad (TNB), Malaysia, Pantai 275kV Underground Cable Project
  • Drax Power, UK, 400kV Power Station and Underground Cable Project
  • Statnett, Norway, 420kV Underground Cable Project
  • Avangrid, USA, 345kV Underground Cable Project
  • Florida Power & Light/NextEra, USA, 230kV Underground Cable Project
  • Xcel Energy, USA, 230kV Underground Cable Project
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