Speed-adjustable double-motor multi-mode power system and driving method

The invention discloses a speed-adjustable double-motor multi-mode power system. The speed-adjustable double-motor multi-mode power system comprises a main drive motor, an auxiliary motor, a first clutch, a second clutch and a single-row planetary gear train. The single-row planetary gear train comprises a sun wheel, a planetary wheel, a planetary carrier, a gear ring and a gear ring brake, wherein the planetary wheel is arranged on the planetary carrier, the sun wheel is meshed with the planetary wheel, and the planetary wheel is meshed with the gear ring. The main drive motor is connected to the sun wheel through a drive shaft, the auxiliary motor is coupled to the gear ring through the first clutch and is coupled to the sun wheel through the second clutch, and the planetary carrier is the power output end of the double-motor multi-mode power system. The speed-adjustable double-motor multi-mode power system greatly improves the working efficiency of double motors and fully utilizes the performance of the double motors. The invention further discloses a speed-adjustable double-motor multi-mode driving method.