00530naa#a2200157#i#450# EN\\bibl\34103 20240502100414.4 2686-777X 20191211b2019####ek#y0engy0150####ca RU BASIC TASKS OF POWER QUALITY MANAGEMENT Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 2 с. Journal article local Konovalov Yuriy Vasil'evich angtu.editorum.ru