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

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