00659naa#a2200181#i#450# EN\\bibl\47363 20241226184547.4 1812-9498 20211130b2021####ek#y0engy0150####ca RU Problems of designing stand-alone power supply systems using renewable energy sources Journal article Astrakhan Astrakhan State Technical University 2021 4 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Golovko Sergey Vladimirovich Kononenko Sergey Vladimirovich vestnik.astu.org