TY JOUR TI SIMULATING ABNORMAL AND EMERGENCY OPERATING MODES OF POWER TRANSFORMER ELECTRICAL NETWORKS KW electrical network simulation KW power transformer KW abnormal and emergency modes KW relay protection and automation KW simulation model JO Automation and modeling in design and management AU Baranov, A.N. AU Murashkin, I.D. PY 2025 IS 2025 PB Bryansk State Technical University