Electric motors that use direct current (DC) electricity use one directional electric current. DC motors are very adaptable. Below are some types of DC motors.
DC Shunt Motor
In a DC Shunt motor, the field winding has a parallel wiring design (or, "shunt") within armature winding. Such designs are capable of supplying a motor with constant and steady speeds regardless of surrounding load conditions.
Separately Excited Motor
In a separately excited motor, field and armature winding branches are designed with no interconnections, permitting separate controlling of speeds and torques. This design is useful for applications like machine tools and paper mills that require positional accuracy.
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DC Series Motor
DC Series Motor is designed with field winding connected in a series (or one single circuit loop) with the armature winding. It is characterized of supplying very high starting torques. Such motors find applications in situations that require rapid accelerations like in locomotives and many types of industrial equipment.
PMDC Motors
Permanent magnet direct current motors, or PMDC motors, incorporate permanent magnets to produce a steady magnetic field.\ These motors are also quite simple and very reliable, which leads to their popularity in manufacturing applications such as electric fans, toys, and automotive accessories.
DC Compound Motors
A compound motor is a combination of features of both a series and a shunt-wound motor, which allows it to produce both high starting torque and a fairly constant speed. These motors can be used in applications such as elevators and rolling mills, which are used in systems where the load could be varying.
Types of AC Motors and their Applications
At the start, we carried out a brief overview of the applications of the cream layer of the DC motors. In this segment, we deal with AC motors, which stands for Alternating Current.
AC Motors
Unlike DC motors, AC motors use alternating current, which means that the electric direction charge flow reverses periodically. There are different kinds of these motors, each with their own benefits and purposes. The following are the most common of the different kinds of AC motors:
Synchronous Motor
The Synchronous motor is built to run at a constant speed that is determined by the frequency of the supply. This motor is highly accurate and reliable and is, therefore, used in situations that demand constant and synchronous operations.
Induction Motor
The induction motor is perhaps the most widely used AC motor. It operates at a speed that is slightly less than the synchronous speed, and is known for being powerful, dependable, and efficient. The versatility of induction motors means that they are used in a wide range of applications, from domestic appliances, e.g., refrigerators and washing machines, to industry pumps and fans.
Special Purpose Motors
Along with the major types of motors, which are DC and AC, there is a line of special motors, each made for particular uses. These motors are made for distinct requirements, and provide user able possitives. The following are some examples:
Stepper motors are made to turn in a number of steps, making them best for uses where the exact control of where and in what speed to turn is needed. This is a common use in 3D printers, CNC - Computer Numerical Control - machines, and robotic systems.
Brushless DC Motors
Also called BLDC motors, these are the most popular are for uses where the most reliabilit and efficency is needed, and for this reason, they are the most popular in the various uses. These are most commonly used in the most popular of the use they are most in - industrial automation, and the electric vehicles and drones, computer systems where cooling is needed, and the ones used for automation.
Universal Motor
Universal motors have also been made to be able to plug in to both AC power and DC power sources. This flexibility is helpful in uses such as the ones in portabe power tools, kitchen tools, and vacuum cleaners, which can be powered from any.
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