Motor Control Unit

The electric motor control unit (MCU) consists of an inverter and a controller. Among them, the inverter receives the DC power delivered by the battery and converts it into three-phase AC power to power the car motor. Next, the electric motor controller receives signals such as motor speed and feeds them back to the instrument. When braking or acceleration occurs, the frequency of the electric motor controller increases or decreases, thus achieving acceleration or deceleration.

The role function of electric motor control unit: 

(1) energy conversion function. Realize braking energy recovery to improve vehicle range; 

(2) Torque execution function. The controller sends negative torque values to the motor controller to reduce energy waste; 

(3) active discharge function. Large-capacity capacitor self-discharge for a long time will have high-voltage safety risks; 

(4) safety protection function. Motor system with fault detection, fault reminding, fault handling and other safety protection functions; 

(5) high-speed CAN network communication function. Effective realization of the electric motor control unit (MCU) and the whole vehicle function strategy, control the safe and reliable operation of the motor system to ensure the safe operation of the vehicle.