| 摘要 |
PROBLEM TO BE SOLVED: To provide a power circuit capable of outputting power to a load side device while suppressing a transient voltage due to an inrush current and chattering by solving the problems.SOLUTION: The power circuit includes a power supply 2, a power output line 3 for outputting power from the power source 2 to a load side device 200, a mechanical relay 4 arranged on the power output line 3, a semiconductor relay 5 arranged on the power output line 3 while connected in series to the mechanical relay 4, and a control circuit 6 which performs control by transmitting a connection signal to the mechanical relay 4 when starting power output to the load side device 200, and after a prescribed period of time, transmitting a connection signal to the semiconductor relay 5 so as to gradually increase the power output to the load side device 200. |
