HVDC Cable
Sumitomo Electric's HVDC cable technologies enable interconnection of power grids between countries and across continents to secure reliable energy infrastructures.
Features
Since the completion of the first HVDC cable system in Japan back in 1979, we have completed a large number of HVDC cable projects. Of particular note are the 500 kV HVDC submarine cables installed across the Kii Channel in Japan, which is one of the world’s highest capacity HVDC cable system's with 2,800 MW transmission capacity. In addition to conventional Fluid Filled cables, we have developed and commercialized 500 kV MI (Mass Impregnated) and 400 kV XLPE cable system for HVDC applications.
Sumitomo Electric’s HVDC XLPE cable enables polarity reversal operations and also significantly higher operational conductor temperature (90°C) to that of MI cables. These features allow customers to achieve various benefits including reduced CAPEX, increased operational margins, polarity reversal operations with conventional LCC converter or combination of cable and overhead line in the same system. Our HVDC XLPE cable systems provide solutions to satisfy the customer's various requirements.
