公开(公告)号：US20230305450A1

公开(公告)日：2023-09-28

申请号：US18122750

申请日：2023-03-17

申请人： Keita YOSHIKAWA ,  Kentaroh KUROSU ,  Taichi URAYAMA ,  Suguru YOKOZAWA

发明人： Keita YOSHIKAWA ,  Kentaroh KUROSU ,  Taichi URAYAMA ,  Suguru YOKOZAWA

IPC分类号： G03G15/00 ,  H02J4/00 ,  G03G15/16

CPC分类号： G03G15/1665 ,  G03G15/80 ,  H02J4/00

摘要： A power supply device includes: a DC power supply that generates a DC voltage of a variable value and outputs the DC voltage; an AC power supply that generates an AC voltage of a variable value, and superimposes the AC voltage and the DC voltage to generate a superimposed voltage for output; and a control circuit. The control circuit start giving the DC power supply an instruction to output the DC voltage, and start giving the AC power supply an instruction to output the AC voltage for restricting output of the DC voltage. The control circuit controls an absolute value of the superimposed voltage to be smaller than or equal to a predetermined value in a predetermined period from a time when the giving of the instruction to output the AC voltage is started to a time when the restricting of the output of the DC voltage is started.