TY JOUR TI REDUNDANCY OF ELECTRICAL EQUIPMENT OF POWER SUPPLY SYSTEMS KW power supply system KW permanent redundancy KW substitution redundancy KW separate redundancy KW reliability of power supply JO Modern Technologies and Scientific and Technological Progress AU Golovanov, I.G. AU Ershov, E.V. AU Potapov, I.N. AU Saidaliyeva, S.S. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»