00647naa#a2200169#i#450# EN\\bibl\36553 20250503195828.6 2686-9896 20200605b2020####ek#y0engy0150####ca RU OBJECTIVES OF THE STUDY THE SECURITY OF ELECTRIC POWER SYSTEMS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 0 с. Journal article local Электроэнергетика. Электротехника. 312 bbk Dubickiy Mihail Aleksandrovich angtu.editorum.ru