TONGPIAN PROMBUD received his B.Eng., M.Eng., and D.Eng. degrees in Electrical Engineering from King Mongkut’s Institute of Technology, Ladkrabang, Bangkok, Thailand, in 2006, 2012, and 2021, respectively. Since 2019, he has served as a lecturer in the Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Krungthep, Bangkok, Thailand, where he is currently an Assistant Professor of High-Voltage Engineering and the Head of a High-Voltage Research Center. His research interests include high-voltage engineering, particularly regarding nanocomposite high-voltage insulation materials, the diagnostics of high- voltage insulation systems, high-voltage testing and measurement techniques, and partial discharge analysis.

Ekkapol Anusurain received his B.Eng. degree in Electrical Engineering from the University of the Thai Chamber of Commerce, Thailand, in 1995, and his M.Eng. degree in Electrical Engineering from Chulalongkorn University, Thailand, in 1998. Since 2000, he has served as a lecturer in the Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Krungthep, Bangkok, Thailand, where he is currently an Assistant Professor specializing in High-Voltage Engineering. He is also a member of the High-Voltage Research Center team. His research interests include high-voltage engineering and embedded systems, particularly microcontrollers.

Chainarong Wisassakwichai received his B.Ind. Ed. degree in Electrical Engineering from King Mongkut’s University of Technology, Thonburi in 1991 and his M.Eng. degree in Electrical Engineering from Kasetsart University in 1997. He is currently an Associate Professor in the Division of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology, Krungthep. His research interests include algorithms, computation, and computer programming, with a particular focus on computer methods for electrical engineering

CHOOSAK KAMONKHANTITHORN (Member, IEEE) received his B.Eng and M.Eng. degrees in Electrical Engineering from King Mongkut’s University of Technology Thonburi, Bangkok, Thailand, in 1991, and 2003, respectively. Since 1991, he has served as a lecturer in the Department of Electrical Engineering, Faculty of Engineering, Rajamangala University of Technology Krungthep, Bangkok, Thailand, where he is currently an Assistant Professor of High-Voltage Engineering and a member of the High-Voltage Research Center team. His research interests include high-voltage engineering, particularly in nanocomposite high-voltage insulation materials, the diagnostics of high-voltage insulation systems, and high-voltage testing and measurement techniques.