%0 Journal Article %T Experimental determination of external characteristics of AC traction substations for selection of parameters of active devices of traction power supply system %A Komyakov, A.A. %A Tarasevich, V.A. %K traction power supply system, traction substation, external characteristic, railway transportation, energy efficiency %J Bulletin of scientific research results %D 2024 %N 2024 %P 12 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"