ENERGY EFFICIENCY CONTROL METHOD AND CONTROL APPARATUS, AND COMMUNICATION DEVICE

This application discloses an energy efficiency control method, where the method is applied to a communications device; the communications device comprises a primary power supply, a secondary power supply, and a control apparatus; and the method includes: obtaining, by the control apparatus, a current load rate of the primary power supply and a load power of the secondary power supply, where energy efficiency of the primary power supply is related to the load rate of the primary power supply, and energy efficiency of the secondary power supply is related to the load power of the secondary power supply; determining, based on the current load rate of the primary power supply and the load power of the secondary power supply, a target output voltage of the primary power supply and a target input voltage of the secondary power supply that satisfy an energy efficiency requirement of the communications device, where energy efficiency of the communications device is related to the energy efficiency of the primary power supply and the energy efficiency of the secondary power supply; and controlling the primary power supply to output the target output voltage, and controlling an input voltage of the secondary power supply to be the target input voltage. According to the technical solutions of this application, cooperative control of the primary power supply and the secondary power supply can be implemented, thereby effectively reducing an energy loss of the communications device.