Arak Bunmat is an assistant professor of the Department of Electrical Engineering, Faculty of Engineering Rajamangala University of Technology Isan Khonkaen Campus, Khonkaen, Thailand. He received B.Eng. (2009), M. Eng. (2013), and D. Eng (2018) in Electrical Engineering from Suranaree University of Technology, Thailand. His fields of research interest include a broad range of power systems, electrical machines & drives, FEM simulation, electromagnetic field, and artificial intelligence techniques.