Patent ID: 11888469
Assignee: GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. The power device according to claim 8, wherein the second voltage output sub-circuit comprises:
a first phase lower output module, a second phase lower output module and a third phase lower output module, respectively connected to the first output terminal, the second output terminal and the third output terminal of the second input sub-circuit,
a second switching module, a third switching module and a fourth switching module, respectively connected to the first phase lower output module, the second phase lower output module and the third phase lower output module,
wherein:
the second switching module, the third switching module and the fourth switching module are configured to select the voltage of the power supply or an output voltage of the step-down sub-circuit as an output voltage of the second voltage output sub-circuit according to the fourth output terminal of the second input sub-circuit.