TY JOUR TI ENERGYCS SOFTWARE PACKAGE FOR THE DESIGN OF ELECTRIC POWER SYSTEMS KW basic calculation KW steady-state modes KW short-circuit currents KW loss of electrical energy JO Modern Technologies and Scientific and Technological Progress AU Zasuhina, O.A. AU Ershov, E.V. AU Golovatiukov, L.K. AU Malinin, N.K. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»