ENERGY-SAVING METHOD AND SYSYTEM FOR VEHICLE AND VEHICLE COMPRISING SYSTEM

摘要

An energy-saving method and system (402) are provided. The energy-saving method includes: detecting a working condition of a motor (301) in the vehicle (401); detecting a fuel injection quantity of the motor (301), a generating current of a generator (302) in the vehicle (401) and an electric quantity of a battery (305) in the vehicle (401) when the motor (301) is working; determining whether the generating current of the generator (302) is less than a first current threshold when the fuel injection quantity is zero; determining whether the electric quantity is less than a first electric quantity threshold when the generating current is less than the first current threshold; controlling the generator (302) to charge the battery (305) when the electric quantity of the battery (305) is less than the first electric quantity threshold; and controlling the generator (302) to reduce the generating current when the electric quantity of the battery (305) is greater than or equal to the first electric quantity threshold.