TY JOUR TI ADAPTATION OF OPERATING ALTERNATING CURRENT SYSTEMS OF ELECTRIC SUBSTATIONS IN MODERN PROTECTION AND CONTROL SYSTEMS KW alternating operational current KW current KW voltage and auxiliary transformers KW modern control systems JO Modern Technologies and Scientific and Technological Progress AU Konovalov, Y.V. AU Nefedova, R.A. AU Goncharenko, R.A. AU Zaitsev, S.A. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»