The speed control mechanism is applicable in many cases like controlling the movement of robotic vehicles, movement of motors in paper mills and the movement of motors in elevators where different types of DC motors are used. Speed control of DC motor is one of the most useful features of the motor.
What is DC Motor?
The DC motor is the motor which converts the direct current into the mechanical work. It works on the principle of Lorentz Law, which states that the current carrying conductor placed in a magnetic and electric field experience a force. To learn more about DC motors, visit Working Principle of DC motor and check out the related details.
MUST READ ON DC MOTORS:
- Different Types of DC Motor
- Working Principle of DC Motor
- Difference Between AC and DC Motor
- Applications of Dc motor
Speed Control of DC motor
Often we want to control the speed of a DC motor on demand. This intentional change of drive speed is known as speed control of a DC motor.
We can control the speed of DC motor manually or through an automatic control device. This is different to speed regulation – where the speed can regulate against the natural change in speed due to a change in the load on the shaft.
The speed of a DC motor (N) is equal to
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