Plakhtii, Oleksandr, Volodymyr Nerubatskyi, Dmytro Sushko, Igor Ryshchenko, Vladyslav Tsybulnyk, and Denys Hordiienko. 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.