TY JOUR TI DEVELOPMENT OF DIGITAL SUBSTATION TECHNOLOGY KW development KW technology KW digital substations KW IEC 61850 protocol JO Modern Technologies and Scientific and Technological Progress AU Konovalov, Y.V. AU Nefedova, R.A. AU Nefedova, S.L. AU Marchenko, D.A. AU Slinko, A.N. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»