| 摘要 |
The present invention addresses the problem of reducing the peak current of a resonance reactor. Provided is a power supply device comprising: a direct-current power supply; a first rectification element connected to the direct-current power supply; a second rectification element the anode of which is connected to the first rectification element; a first resonance capacitor one end of which is connected to the second rectification element; a second resonance capacitor connected to the second rectification element and the direct-current power supply; a third rectification element the anode of which is connected to the second rectification element; a resonance reactor connected to the third rectification element and the first resonance capacitor; a switching element connected to the direct-current power supply and the third rectification element; an output reactor connected to the third rectification element; an output capacitor connected to the direct-current power supply and the output reactor; an output rectification element connected to the first resonance capacitor and the direct-current power supply; and a control circuit that transmits gate signals to the switching element. |
