An electric motor is defined as a device that is designed to achieve the conversion of electrical energy into mechanical energy, through the use of the action of magnetic fields that are generated by their coils, as seen at kelvingear.com. Electric machines are rotary and consist of a stator and a rotor.
In certain cases, electric motors are reversible, as they can convert mechanical energy into electrical energy and would function as a generator or dynamo. As for electric traction motors, they are used in locomotives or in hybrid cars that often perform both tasks, of course if they are properly designed.
Cases where electric motors are used
Broadly speaking, we must begin by mentioning that electric motors are used in an infinity of sectors, this in relation to the needs of each area in the market or product that is being developed at the moment.
In industrial facilities, private and commercial, electric motors are a very good option the use of them has become widespread in fans, pumps, in vibrators of mobile phones, in household appliances, in electrical means of transport, which emery elvers, disk drives, other electrical tools, etc.
It is worth bearing in mind that due to the characteristics of electric motors, they can be driven by direct current sources or by alternating current sources, which may mean that the decision is made or not to be used in a given project.
Direct current and alternating current in electric motors
As for direct current, direct current, is that which comes from batteries, say, solar panels, power supplies that have been installed inside the appliances that use these motors and in the rectifiers.
In relation to alternating current, it can be taken for use in electric motors both directly from the electrical grid, alternators of emergency power plants, without overlooking other sources of biphasic or three-phase alternating current such as power inverters.
Small and large electric motors
The variety that is called as the small motors, can be found in cases like those of the electric clocks. Undoubtedly, because they fit well in this class of devices, both by design, structure, and operation.
General purpose motors with more standardized dimensions and characteristics will provide the right power for industrial uses. Larger electric motors are used for the propulsion of trains, compressors and pumping applications whose power reaches 100 megawatts.
In reality, there is a wide variety of situations in which electric motors can be useful. Just take a look at the market in different sectors to see how widespread these motors are. Regardless of the function they are going to perform, they are generally excellent performers and do not often give excessive problems in terms of maintenance.