Methods and Technologies for Ensuring the Reliability of Excitation of Synchronous Generators of Small Hydroelectric Power Stations in UzbekistanBaxtiyor Kenjaev, Daniyar Paluanov, Dilmurat Mamatkulov and Victoria RomanovaE3S Web of Conf., 216 (2020) 01065DOI: https://doi.org/10.1051/e3sconf/202021601065