TY JOUR TI Mathematical modeling of flow distribution of the perturbed state of a thermal power system KW Mathematical modeling KW processes of formation of boundary conditions KW thermal power hydraulic system KW perturbed state of the system KW flow distribution analysis KW energy equivalence KW variational principle. JO Modeling of systems and processes AU Sazonova, S.. AU Kochegarov, A.. AU Logachev, D.V. PY 2023 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov