DC Electric Motors

The electric motors convert electric power into mechanical force in order for machines orĀ  home appliances to work. Following are some of the types of DC motors.

DC Motors

These motors use DC current to run, and a brush is used to connect the motor to the machine. DC motors again are of various types, which are:
Shunt DC motor: In this, the rotor and the stator windings of the motor are connected in parallel.

Separately Excited motor: In these motors, one has a little more freedom of controlling the motor over the shunt as the rotor and stator windings are each connected to a different power source.

Series motor: In this motor, the stator and rotor windings are connected in a series so the torque output increases. This motor gives the highest ratio of torque per current output across all DC motor types.

Permanent Magnet (PMDC) motors: This motor uses a permanent magnet as a stator so the torque output is low and the motor is also smaller in size.

Compounded Motor: The stator is connected to the rotor via a series of cumulatively compounded shunts and series windings.

Other Types

Hysteresis Motor: Hysteresis is a physical phenomenon that produces torque, and this principle is used in a hysteresis motor. The motor itself is very small and can be used for electric clocks and such devices.

Stepper Motor: This is a specially designed synchronous motor that rotates a certain number of degrees with each pulse of the electric field.

Brushless DC Motor: It has a magnetic stepper motor along with electronic controllers and can be used for various purposes. It is a close cousin of the stepper motor

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