Simultaneous Testing of Two 640kV HVDC Cable Circuits
Internalizing the Entire Process from Product Development to Demonstration and Certification

Taihan Cable has established key infrastructure to strengthen its competitiveness in HVDC (High Voltage Direct Current) cables and is accelerating its efforts to target the global market.

Taihan Cable held a completion ceremony for its HVDC (High Voltage Direct Current) Test Center on the 29th. From the left, sixth person: Daehun Kim, Chief Planning Officer of Hoban Group; Jongmin Song, Vice Chairman of Taihan Cable; Junseok Kim, Vice President of Taihan Cable. Taihan Cable

Taihan Cable held a completion ceremony for its HVDC (High Voltage Direct Current) Test Center on the 29th. From the left, sixth person: Daehun Kim, Chief Planning Officer of Hoban Group; Jongmin Song, Vice Chairman of Taihan Cable; Junseok Kim, Vice President of Taihan Cable. Taihan Cable

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Taihan Cable announced on the 30th that it had completed a dedicated HVDC cable test center and held a commemorative event on the 29th. The event was attended by key executives and employees, including Vice Chairman Song Jongmin of Taihan Cable and Daehun Kim, Chief Planning Officer of Hoban Group. Participants shared the achievements of the test center’s construction and reviewed strategies for expanding the HVDC business.


The newly completed HVDC test center covers approximately 7,000 square meters (2,200 pyeong) and is located within the Dangjin cable factory in South Chungcheong Province, allowing for seamless integration with the production infrastructure. The facility is equipped to simultaneously test two land and submarine HVDC cable circuits of up to 640kV, enabling flexible responses to different specifications and standards for each project. This is expected to shorten the time required for product development and certification, and to more quickly reflect customer requirements, thereby enhancing the company’s competitiveness in securing orders and its responsiveness to the market.


In particular, the test center is characterized by its concentration of core testing equipment to verify the safety and reliability of HVDC cables. It is designed to comprehensively conduct various performance evaluations in one place, enabling one-stop assessments without the need for moving between test items or using separate equipment. With this dedicated testing infrastructure, Taihan Cable can now independently conduct long-term reliability tests (PQ Test), which typically take more than a year, as well as short-time overvoltage tests (TOV Test), which are essential for international HVDC cables.


At the completion ceremony, Vice Chairman Song emphasized, “The HVDC test center is a core infrastructure that intensively demonstrates Taihan Cable’s technological competitiveness. By internalizing the entire process from product development to demonstration and certification, we are now able to proactively respond to domestic and international HVDC projects, including the ‘West Coast Energy Expressway’ initiative.” He added, “We will continue to expand our presence in the global HVDC market.”


With global demand for HVDC rapidly increasing, Taihan Cable has selected HVDC cables as a future growth engine and has continued to invest in technology and infrastructure. In December 2022, the company developed Korea’s first 500kV current-type HVDC cable system, followed by the successful development of a 525kV voltage-type HVDC cable system, earning recognition for achieving world-class technological competitiveness.



Meanwhile, HVDC is a core technology optimized for long-distance, high-capacity power transmission. As interconnection of power grids between countries and the expansion of renewable energy sources such as offshore wind and solar power continue, demand is rising rapidly. Industry forecasts predict that the global HVDC market will more than double, growing from approximately 70 trillion won in 2020 to 159 trillion won by 2030.


This content was produced with the assistance of AI translation services.

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