How Electric Motor Works in Various Applications

Electric motor has become one among the biggest advancements in engineering and technology in the last few years. For those working in electrical and engineering, this device is considered an advantageous device. 

This is a device that works using the electromechanical system. Also referred as mechatronics system, it is a new growing field which integrates mechanics, electronic, computer control system, pneumatics, and hydraulics to create an improved system of automated manufacturing production. This system has made what it is today in 21st century. Without this device, we wouldn’t have what we had today of advanced applications in our every day’s lives. Perhaps, all we have now is only bulb and that is certainly a shame.


The electric motor device functions by converting the electrical energy into a mechanical movement or vice versa. Mechanical parts and this device are combined together to provide movement or actuation. This device is actually all about magnetism and magnet. 

Why is that? It is because this device uses the magnet in order to create motion. You must have known the magnet’s fundamental law where the opposite magnets attract and like magnets repel. This is what exactly happens inside the device where the repelling and attracting forces continuously create rotational motion. 

During a normal motoring mode, the device operates through interactions of winding currents and magnetic fields in order to generate force. Moreover, in some applications like traction motors in transportation industry, it operates both generating or braking and motoring modes to produce both mechanical and electrical energy.

The classification of this device is based on several things including application, internal construction, motion output type and power source type. Those who are not familiar with the device may assume it as the same device as loudspeaker and magnetic solenoids although those are completely different. 

The electric motor generates usable mechanical power while magnetic solenoids do not. Nowadays, a lot of applications use this device such as pumps and blowers, industrial fans, power tools, machine tools, household appliances and also disk drives that are powered by DC (direct current) sources. 

Meanwhile, applications that are powered by AC (alternating current) sources are rectifiers, motor vehicles and batteries. Electric watches also use this device. The size of this device is varying from the small to big one. While household applications use small electric motors, other bigger applications use big motors. For instance, electric motor for pipeline compression, ship propulsion, and also pumped storage application

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