Patent ID: 11894686
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. The power system according to claim 8, wherein the voltage information of each second input circuit comprises a voltage type and a voltage value; and
wherein the power management circuit is configured to:
when a voltage type of the voltage information of a respective second input circuit is a direct current voltage and a direct current voltage value changes in a solar voltage range, generate the first control signal to control a photovoltaic-direct current conversion circuit;
when a voltage type of the voltage information of a respective second input circuit is an alternating current voltage and an alternating current voltage value changes in a mains voltage range, generate the first control signal to control a first alternating current-direct current conversion circuit;
when a voltage type of the voltage information of a respective second input circuit is an alternating current voltage and an alternating current voltage value changes in a generation voltage range of a diesel generator, generate the first control signal to control a second alternating current-direct current conversion circuit; or
when the voltage information is a direct current voltage and a direct current voltage value changes in a high-voltage direct current voltage range, generate the first control signal to control a first direct current conversion circuit, wherein the first direct current conversion circuit is configured to convert a high-voltage direct current voltage into the bus voltage.