Investigation of Temperature Fluctuation of Diode-Rectified Multiphase AC Arc by High-Speed VisualizationManabu Tanaka, Yuta Kugimiya, Hiroki Maruyama, Takayuki Watanabe and Tsugio MatsuuraMATEC Web Conf., 333 (2021) 03005DOI: https://doi.org/10.1051/matecconf/202133303005