| 摘要 |
According to the present invention, when the remaining power of a power supply device (3) reaches a preset threshold value during a power outage, a load having the highest priority and a load having the minimum power consumption are re-specified as loads to be connected from among the loads connected to the power supply device (3) and one load is selected according to the priority order from among the remaining loads that are not re-specified and connected to the power supply device (3). In this case, when the total power consumption of the selected load and the re-specified loads is less than or equal to an output suppression value, said selected load is re-specified as a load to be connected, wherein said output suppression value is set in accordance with the remaining power of the power supply device (3) and the preset target value of the total operation time of the power supply device (3). When the total power consumption is more than or equal to the output suppression value, said selected load is specified as a load to be interrupted. This makes it possible to adjust the power consumption of loads by controlling the connection of the loads to the power supply device (3), therefore enabling the total operation time of the power supply device (3) to reach a preset desired time. |
