What is the purpose of dynamic braking in a motor?

Dynamic braking serves the specific purpose of electrically retarding or stopping a motor by utilizing the motor's generated voltage when the motor is decelerated from a high speed to a lower speed. In this process, the motor is disconnected from its power source and connected to a braking resistor or a similar device. The kinetic energy from the rotating motor is converted into electrical energy, which is dissipated as heat in the braking resistor. This action allows for effective control over the motor's speed and aids in rapid stopping without mechanical intervention.

Dynamic braking is particularly useful in applications requiring quick stopping or controlled deceleration, making it an essential feature in systems where precision and safety are paramount. The use of electrical means rather than mechanical components enhances the durability of the system and minimizes wear and tear, improving overall reliability.