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An electric car is a kind of car that uses a battery pack to store electrical energy, and the motor energy can be converted into mechanical energy to drive the car to run. Its main working principle is as follows:
1. Battery pack energy storage: The battery pack used in an electric car is generally a lithium-ion battery. When the car is running, the battery pack will store electrical energy. In stopping or braking during driving, the energy recovery system can convert part of the kinetic energy into electric energy and store it in the battery pack.
2. Motor conversion: The main power source of an electric vehicle is the motor. When the battery pack releases electrical energy, the motor converts the electrical energy into mechanical energy. The rotating part in the motor turns and drives the tires to achieve the movement of the car.
3. Control system: The control system of electric vehicles has two main parts: the motor control system and the vehicle control system. The electric motor control system can control the speed and output power of the motor so as to realize different driving modes. The vehicle control system can realize the driver's control of the car by controlling the braking, steering and acceleration of the vehicle.
4. Charging system: Electric vehicles need to be charged regularly to ensure the normal operation of the battery pack. The charging system includes a charger and a cable to connect to the grid. When the electric car is connected to the charger, the battery pack automatically receives electrical energy and stores it in the battery pack.
Overall, electric vehicles work by storing electrical energy in the battery pack, converting electrical energy into mechanical energy by the electric motor, and controlling the movement of the vehicle and charging system by the control system to achieve efficient and environmentally friendly operation of the vehicle.
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