Use of reactive power sources in improving the quality of electricity Akram N. Tovboyev, Islom B. Tog’ayev, Islombek Q. Uzoqov and G’ulom Y. Nodirov E3S Web Conf., 417 (2023) 03001 Published online: 21 August 2023 DOI: 10.1051/e3sconf/202341703001