TY JOUR TI FEATURES OF MODERNIZATION AND CONSTRUCTION OF NEW ELECTRIC GRIDS IN THE IRKUTSK REGION KW high-voltage line KW power supply system KW electric network KW reliability of the power supply system KW failures of overhead lines JO Bulletin of the Angarsk State Technical University AU Golovanov, I.G. AU Dukova, V.N. AU Dyundik, S.E. AU Nefedova, R.A. PY 2025 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»