Patent ID: 11894765
Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 19:
20. The power conversion device of claim 14, wherein the multi-level power factor correction circuit comprises a inductor, a first bridge arm, a second bridge arm and a bidirectional switch; the first bridge arm and the second bridge arm are parallel to the first output terminal and the second output terminal of the multi-level power factor correction circuit, the first bridge arm comprises a first switching device and a second switching device, the first switching device and the second switching device are connected to each other in series, and connected at a midpoint of the first bridge arm; the second bridge arm comprises a first switch and a second switch, the first switch and the second switch are connected to each other in series, and connected at the midpoint of the second bridge arm, the bidirectional switch is connected between the midpoint of the second bridge arm and a junction node of a first output capacitor and the second output capacitor in series, the inductor is coupled between the midpoint of the second bridge arm and a midpoint of the first bridge arm.