What Is a Brake Mechanic?

Regenerative braking, also known as feedback braking, is a braking technique used in electric vehicles. Convert and store the vehicle's kinetic energy during braking; instead of turning it into useless heat.

If the motor reduces the command during operation

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Energy consumption

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The useless or unwanted or harmful inertial rotation of the electric machine converts the kinetic energy generated by the inertial rotation into electrical energy, and feeds back to the power grid, while generating a braking torque, so that the electric machine quickly stops the useless inertial rotation.

An electromechanical device is a device with moving parts that converts electrical energy into mechanical energy. It is usually a rotary motion, such as an electric motor. And this transformation process usually transfers energy and transforms energy through the energy change of the electromagnetic field. From a more intuitive mechanical point of view, it is the change in the size of the magnetic field. The electric motor is connected to a power source, generates a current, and builds a magnetic field. The alternating current produces an alternating magnetic field. When the windings are arranged at an angle in physical space, a circular rotating magnetic field will be generated.

The movement is relative, which is equivalent to the magnetic field being cut by the conductor in its space, so the induced electromotive force is established at both ends of the conductor, and the conductor itself and the connecting parts form a loop, which generates a current and forms a current-carrying conductor. The current-carrying conductor will be subjected to a force in the rotating magnetic field, and this force eventually becomes a force in the torque output by the motor. When the power is cut off, the motor rotates inertially. At this time, a relatively small power excitation power is provided to the rotor through a circuit switch to generate a magnetic field. This magnetic field cuts the stator windings through the physical rotation of the rotor, and the stator then induces Electromotive force. This electromotive force is connected to the power grid through electrical devices, which is energy feedback. At the same time, the rotor is forced to decelerate. This is braking. Collectively referred to as regenerative braking.