The invention relates to the technical field of electric automobiles, in particular to a dual-motor power system used for speed changing. The system comprises a first driving motor and a second driving motor. The first driving motor and the second driving motor are connected with a first speed changer and a second speed changer respectively, the first speed changer and the second speed changer are connected with a first clutch and a second clutch respectively, and the first clutch and the second clutch are connected with a differential mechanism. The first driving motor, the second driving motor, the first speed changer, the second speed changer, the first clutch and the second clutch are controlled by a controller. Power interruption in gear shifting can be prevented, and a comfortable feeling is provided for a driver and passengers. The invention further provides an electric automobile and a gear shifting method. Power interruption in gear shifting can be prevented.
Dual-motor power system, gear shifting method and electric automobile
2015-11-25
Patent
Electronic Resource
English
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