Plakhtii, O., Nerubatskyi, V., Sushko, D., Ryshchenko, I., Tsybulnyk, V., & Hordiienko, D. (2019). Improving energy characteristics of ac electric rolling stock by using the three-level active four-quadrant rectifiers. Eastern-European Journal of Enterprise Technologies, 4(8 (100), 6–14. https://doi.org/10.15587/1729-4061.2019.174112