%0 Journal Article %T Electrothermal Model of an AC Catenary and Mechanisms of Ice Melting under an Autotransformer Traction Power Supply System %A LI, I.. %A Vikulov, I.P. %K railway, catenary, autotransformer traction power supply system, ice accretion, non-uniform icing, finite element method %J Bulletin of scientific research results %D 2026 %N 2026 %P 12 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"