Patent ID: 11894762
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The direct current-direct current conversion circuit according to claim 13, wherein the capacitance balance circuit comprises a second branch, a third branch, and a fourth branch, wherein
the second branch comprises an eleventh diode, a tenth diode, a fourth switch, and a third switch that are sequentially connected in series, wherein a negative electrode of the eleventh diode is connected to the negative electrode of the second diode, a positive electrode of the eleventh diode is connected to a positive electrode of the tenth diode, a first terminal of the third switch is connected to the fourth switch, and a second terminal of the third switch is connected to the negative electrode of the power supply;
a first terminal of the third branch is connected between the first capacitor and the second capacitor, and a second terminal of the third branch is connected between the tenth diode and the fourth switch;
a first terminal of the fourth branch is connected between the tenth diode and the eleventh diode, and a second terminal of the fourth branch is connected between the fourth switch and the third switch;
a seventh capacitor is connected in series in the fourth branch; and
a third inductor is connected in series in the fourth branch or the third branch.