| 摘要 |
A power supply system 10 comprises a power supply 100 which supplies power to a load device 200; an electrical storage device 300 which supplies power to the load device 200 in place of the power supply 100 when the power supply 100 is stopped; and a power supply control device 500 which controls the supply of power from the electrical storage device 300 to the load device 200 by monitoring a state of the electrical storage device 300 and detecting an abnormal state of the electrical storage device 300. Upon acquiring disaster information predicting stoppage of the power supply 100, the power supply control device 500 shortens a monitoring period for monitoring the state of the electrical storage device 300, so that the state of the electrical storage device 300 can be reliably monitored during stoppage of the power supply 100, and thereby backup functions can be continued over as long a time period as possible.
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