%0 Journal Article %T Economic Efficiency Assessment of Automated Monitoring Systems for Oil Transformer Technical Condition in Railway Transport %A Nikischenkov, S.A. %A Kozmenkov, O.N. %A Safronova, I.A. %K oil transformers; residual life; predictive maintenance of transformers; automated system; monitoring; diagnostics of technical condition; cost effectiveness of diagnostic systems; payback period of the diagnostic system. %J Transport automation research %D 2025 %N 11 %P 16 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"