Analysis of the Efficiency of a Power Generating Plant Operating on the Basis of the Brayton Thermodynamic Cycle and Energy Recuperation by Andrii V. Rusanov, Valerii S. Fedoreiko, Dariusz Kardaś, Andrii O. Kostikov, Viktoriia O. Tarasova, Roman A. Rusanov, Maryna O. Chuhai, Mykhailo I. Sukhanov, Serhii P. Tretiak