TY JOUR TI DEVELOPMENT OF INTELLIGENT ELECTRONIC DEVICES KW intelligent electronic devices KW relay protection and automation KW microprocessor devices KW IEC 61850 protocol JO Scientific Papers Collection of the Angarsk State Technical University AU Konovalov, Y.V. AU Potapov, I.N. AU Leb, M.S. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»