Study on the Influence of Impurities on Partial Discharge and Flashover Characteristics of Pressboard Based on Three-parameter Weibull Model - Li, Yijia; Zhang, Chengyu; Zhao, Junping; Yu, Xinru (2023 IEEE 6th International Electrical and Energy Conference (CIEEC), Electrical and Energy Conference (CIEEC), 2023 IEEE 6th International, 2023)