Sung-Wook Kim, ORCID: 0000-0001-9705-3544 Sung-Wook Kim received B.Eng, M.Eng, and PhD degrees in electrical engineering and high-voltage engineering from Korea Maritime and Ocean University, Korea, in 2008, 2010 and 2017, respectively. He worked for the R&D center of Hyosung Corporation and was one of the members in charge of the DGA project for 9 years. He is currently a professor at Silla University, Korea. His research interests are partial discharge and DGA measurements of high-voltage transformers and gas-insulated switchgears.