Patent ID: 11923758
Assignee: DELTA ELECTRONICS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The power conversion circuit according to claim 1, further comprising a first resistor, a second resistor, an auxiliary switch, a first clamp switch and a second clamp switch, wherein the first resistor and the second resistor are connected in series between the input positive terminal and the input negative terminal, a first terminal of the auxiliary switch is electrically connected with the input positive terminal, a second terminal of the auxiliary switch is electrically connected with a node connecting the first resistor and the second resistor, a third terminal of the auxiliary switch is electrically connected with a first terminal of the first clamp switch and a first terminal of the second clamp switch, a second terminal of the first clamp switch is electrically connected with the first node, and a second terminal of the second clamp switch is electrically connected with the fourth node, wherein a voltage between the input positive terminal and the input negative terminal is an input voltage, and the input voltage charges the second resonant capacitor and the third resonant capacitor through the auxiliary switch, the first clamp switch and the second clamp switch.