New pole-changing winding for electric drive of ball millsDauletbek Rismukhamedov, Khusniddin Shamsutdinov, Sarvar Ganiev, Khayotullo Magdiev and Shakhobiddin KhusanovE3S Web of Conf., 384 (2023) 01059DOI: https://doi.org/10.1051/e3sconf/202338401059