| 摘要 |
A power supply system includes: a switching power supply; a control device; an auxiliary power supply circuit, which is connected in parallel with the switching power supply with respect to an AC power supply, which includes an electricity storage unit for storing electricity by charging current fed from the alternating current power supply, and which feeds power to the control device; and a first switching unit for switching a connection state of the auxiliary power supply circuit to the alternating current power supply. The control device is configured to, upon starting up the switching power supply, switch the first switching unit into a state where the auxiliary power supply circuit is separated from the alternating current power supply. |
| 主权项 |
1. A power supply system comprising:
a switching power supply configured to convert an alternating current voltage from an alternating current power supply into a predetermined direct current voltage and to output the direct current voltage; a control device; an auxiliary power supply circuit, which is connected in parallel with the switching power supply with respect to the alternating current power supply, and which comprises an electricity storage unit configured to store electricity by charging current fed from the alternating current power supply, wherein the auxiliary power supply circuit is configured to feed power to the control device; and a first switching unit configured to switch a connection state of the auxiliary power supply circuit to the alternating current power supply, wherein the control device is configured to, upon starting up the switching power supply, switch the first switching unit into a state where the auxiliary power supply circuit is separated from the alternating current power supply. |
