Development of contactless switching devices for asynchronous machines in order to save energy and resourcesO. Toirov, T. Sadullaev, D. Abdullaev, D. Jumaeva, Sh. Ergashev and I.B. SapaevE3S Web Conf., 383 (2023) 01029DOI: https://doi.org/10.1051/e3sconf/202338301029