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

Claim 2:
3. The power conversion device of claim 1, wherein the multi-level power factor correction circuit comprises a first output terminal and a second output terminal; the at least one output capacitor comprises a first output capacitor; the at least one input capacitor group comprises the first input capacitor and the second input capacitor;
wherein both ends of the first output capacitor respectively connect to the first output terminal and the second output terminal; the first input capacitor and the second input capacitor, which are connected to each other in series, are connected to the first output capacitor in parallel;
wherein the first resonant conversion circuit comprises a first input terminal and a second input terminal, wherein the first input terminal and the second input terminal are respectively connected to both ends of the first input capacitor;
wherein the second resonant conversion circuit comprises a third input terminal and a fourth input terminal, wherein the third input terminal and the fourth input terminal are respectively connected to both ends of the second input capacitor;
wherein an output part of the first resonant conversion circuit is connected to an output part the second resonant conversion circuit in parallel.