Experimental investigation of actual situation of using and accounting of recovered energy of regenerative braking mode at the DC traction systemOleh Bondar, Dmytro Ustymenko, Olena Kurylenko, Mykhailo Kedria, Oksana Karzova, Roman Krasnov and Oleksii BaliichukMATEC Web Conf., 294 (2019) 01005DOI: https://doi.org/10.1051/matecconf/201929401005