thermal processes тепловые процессы 4 AC voltage converter 3 discrete smart transformer 3 partitioned winding 3 transformer-and-switches executive 2 variation of current density 2 перетворювач напруги змінного струму 2 секціонована обвитка 2 теплові процеси 2 трансформаторно-ключова виконавча структура 2 621. 039.584 1 621.313 1 UDC 536. 24 1 autonomous induction generator 1 computer modeling 1 dry modular storage 1 dry storage 1 electromagnetic processes 1 emergency situations 1 induction channel furnace 1 magnetic system saturation 1 multiphysics circuit 1 normal operating conditions 1 phase transition at melting of workpiece 1 spent nuclear fuel 1 steel losses 1 tap changing transformer 1 the power transformer 1 thermal safety 1