| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a switching device that charges a battery unit using power from a redundant power supply unit for supplying power at the occurrence of an abnormality in an active power supply unit while the active power supply unit operates normally. <P>SOLUTION: A switching device of the present invention is connected to an active power supply unit, a redundant power supply unit, a battery unit, and a power supply output terminal, and switches from an initial state in which the power supply output terminal is connected to the active power supply unit and the battery unit is connected to the redundant power supply unit to an auxiliary state in which the connection between the battery unit and the redundant power supply unit is released and the power supply output terminal is connected to the redundant power supply unit. <P>COPYRIGHT: (C)2012,JPO&INPIT |
