US 12,456,861 B2
Power supply method and apparatus, electronic device, and readable storage medium
Baoguo Chen, Dongguan (CN); Pan Chen, Dongguan (CN); Hua Yu, Dongguan (CN); and Liqiong Yi, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed on Mar. 8, 2023, as Appl. No. 18/180,844.
Application 18/180,844 is a continuation of application No. PCT/CN2020/114533, filed on Sep. 10, 2020.
Prior Publication US 2023/0223753 A1, Jul. 13, 2023
Int. Cl. H02J 3/00 (2006.01)
CPC H02J 3/00125 (2020.01) [H02J 2310/52 (2020.01)] 18 Claims
OG exemplary drawing
 
1. A power supply method for a power system supplying power to a load from a power grid, the power supply method comprising:
determining the power grid is a weak power grid if a quantity of times the power system is in an undervoltage state within a preset time period is greater than or equal to a preset quantity of times;
determining a target current limit value based on an actual input voltage of the power system if the power grid is the weak power grid; and
supplying power to the load based on the target current limit value.