For citations:
Figurnov E.P., Zharkov Yu.I., Popova N.A. Choosing the type of equivalent circuit of traction substation when calculating short-circuit currents in 25 kV power supply system. RUSSIAN RAILWAY SCIENCE JOURNAL. 2020;79(3):139-144. (In Russ.) https://doi.org/10.21780/2223-9731-2020-79-3-139-144