Seung-Won Lee received a Ph.D. degree from the Department of Electronic Engineering, Mokpo National Maritime University, in 2022. Since 2016, he has been employed as a Researcher at the Korea Electrotechnology Research Institute (KERI). His main research interests include the reliability evaluation and diagnosis of aging of HVAC and HVDC power cable systems.

Jin-Wook Choe received a Ph.D. degree from the Department of Electrical Engineering, Kyungpook National University, in 2021. Since then, he has been employed as a Senior Researcher at the Korea Electrotechnology Research Institute (KERI). His main research interests include the design and evaluation of joints for HVAC and HVDC power cable systems.

Ik-Su Kwon received a Ph.D. degree from the Department of Electronic Engineering, Hanyang University, in 2020. Since then, he has been employed as a Senior Researcher at the Korea Electrotechnology Research Institute (KERI). His main research interests include the insulation design for DC application, measurement of space charge, and analysis of electric field.

Jin-Seok Lim received a master’s degree from the Department of Mechanical Engineering, KAIST, in 2008. Since 2024, he has been employed as a Senior Researcher at the Korea Electrotechnology Research Institute (KERI). His main research interests include insulation design, load and structural analysis, and heat transfer analysis.

Byung-Bae Park received a master’s degree from the Department of Electronic Engineering, Hanyang University, in 2015. Since 2016, he has been employed as a Researcher at the Korea Electrotechnology Research Institute (KERI). His main research interests include insulation design and measurement of space charge.

Hae-Jong Kim received a Ph.D. degree from the Department of Electrical Engineering, Gyeongsang National University, in 1998. Since then, he has been employed as a Principal Researcher at the Power Cable Research Center, Korea Electrotechnology Research Institute (KERI). His main research interests include the evaluation of aging for power cable systems.