| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply system capable of effectively using power from a photovoltaic power generation unit with simple control, in an emergency.SOLUTION: In an emergency when power cannot be supplied from a commercial power source 100; a power supply system charges a power storage device 30 with power from a photovoltaic power generation unit 10 by enabling a first switch 72 to transfer power and disabling a second switch 74 and third switch 76 from transferring power, and enables a specific load 50 to be supplied with power from the photovoltaic power generation unit 10 and power storage device 30 by disabling the first switch 72 from transferring power and enabling the second switch 74 and third switch 76 to transfer power when the power storage device 30 is completely charged. |
