| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique of improving the efficiency of a power supply in a dc power supply system with improved reliability. <P>SOLUTION: The dc power supply system includes a dc power supply which outputs dc power, an active power supply which supplies the dc power output from the dc power supply to a load, a standby power supply which supplies the dc power smaller than the above dc power supplied by the active power supply to the load when the active power supply is in operation, and supplies the dc power output from the dc power supply to the load when the active power supply does not supply the dc power to the load, a first power cable connecting the dc power supply to the active power supply, and a second power cable which has resistance higher than that of the first power cable and connects the dc power supply to the standby power supply. <P>COPYRIGHT: (C)2010,JPO&INPIT |
