TY JOUR TI Development of a mathematical model for the analysis of the undisturbed state of a thermal power hydraulic system KW Mathematical modeling KW thermal power hydraulic system KW heat supply system KW undisturbed state of the system KW flow distribution analysis KW energy equalization KW variational principle. JO Modeling of systems and processes AU Sazonova, S.. AU Korablin, S.N. AU Akamsina, N.V. PY 2023 IS 16 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov