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

Claim 13:
14. The power conversion device of claim 1, wherein the at least one output capacitor comprises:
a first output capacitor; and
a second output capacitor, connected to the first output capacitor in series;
wherein the output part of the multi-level power factor correction circuit comprises a first output terminal and a second output terminal, wherein the first output capacitor and the second output capacitor connected in series are connected to the first output terminal and the second output terminal in parallel;
wherein the at least one input capacitor group comprises:
a first input capacitor group comprising the first input capacitor and the second input capacitor; the first input capacitor and the second input capacitor connected in series are connected to the first output capacitor in parallel; and
a second input capacitor group, comprising:
a third input capacitor; and
a fourth input capacitor connected to the third input capacitor in series; the third input capacitor and the fourth input capacitor connected in series are connected to the second output capacitor in parallel;

the power conversion device further comprising:
a third resonant conversion circuit, wherein an input part of the third resonant conversion circuit is connected to the third input capacitor in parallel; and
a fourth resonant conversion circuit, wherein an input part of the fourth resonant conversion circuit is connected to the fourth input capacitor in parallel.