| 摘要 |
PROBLEM TO BE SOLVED: To provide a DC power supply device having plural converters that can perform energy saving.SOLUTION: A DC power supply device has plural DC/DC converters 132 which respectively convert power input from a DC power source device 21 through a power supply passage to DC power corresponding to plural load devices 301 and supplying the converted DC power, plural switch units 122 which are provided in association with the respective plural DC/DC converters 132, and select on the basis of the open/close states of switches whether DC power is supplied from each of the DC/DC converters 132 to the load device 301 corresponding to the DC/DC converter 132 concerned, and a controller 111 for controlling the opening/closing state of each switch unit 122, and controls, every DC/DC converter, whether DC power is supplied from each DC/DC converter 132 to the load device 301 or not. |
