Contactless wide-range ferromagnetic high-current converters for monitoring and control systems in the electric power industryAnatoliy Plakhtiev, Gayratjon Gaziev, Odil Doniyorov and Khayot MuradovE3S Web of Conf., 401 (2023) 04014DOI: https://doi.org/10.1051/e3sconf/202340104014