LS Cable & System, Mass Production of World's Highest Voltage 'HVDC Cable'

Supply of Mass-Produced Products for Tenet Power Transmission Network Project

LS Cable announced on the 10th that it has started mass production of 525-kilovolt (kV) ultra-high voltage direct current (HVDC) cables.

At the 525kV HVDC cable mass production celebration event held at LS Cable & System's Donghae plant in Donghae-si, Gangwon-do, representatives from LS Cable & System and Tenet are taking a commemorative photo. / Photo by LS Cable & System

This cable is the highest voltage product among existing DC cables. It belongs to a category of products that only a very few companies worldwide have the production capability for.

The cables produced by LS Cable will be used in the 'BalWin 4' and 'LanWin 1' projects, part of a 2-gigawatt (GW) transmission network project by TenneT, a transmission system operator in Germany and the Netherlands. These projects connect offshore wind farms in the North Sea with inland areas of Germany and the Netherlands via HVDC cables.

Compared to AC (alternating current), HVDC can transmit large-capacity currents over long distances with low loss, leading to increased adoption mainly in long-distance transmission networks. In Europe, HVDC cables are primarily used for offshore wind power expansion and cross-border power grid interconnection projects.

LS Cable stated, "As the European Union (EU) recently raised its offshore wind supply target from 60 GW in 2030 to 300 GW by 2050, the related market size is expected to expand further."

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