Research on Defect Detection Technology of Composite Insulator SheathWenbo Li, Dun Mao, Yue Jiang, Lanlan Liu, Jiran Zhu, Tao Wan, Fanglin Zha and Yafeng ChaoE3S Web Conf., 252 (2021) 01026DOI: https://doi.org/10.1051/e3sconf/202125201026