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

Claim 21:
22. A power conversion device, comprising:
a multi-level power factor correction circuit;
at least one output capacitor connected to an output part of the multi-level power factor correction circuit;
at least one input capacitor group, which is connected to the at least one output capacitor in parallel; wherein the at least one input capacitor group comprises a plurality of input capacitors, and the plurality of input capacitors is connected to each other in series; and
at least one resonant conversion module, wherein the at least one resonant conversion module comprises multiple resonant conversion circuits, and the multiple resonant conversion circuits correspond to the plurality of input capacitors one to one, an input part of each of the multiple resonant conversion circuits is connected to a corresponding one of the plurality of input capacitors.