Let me give you a clear explanation of what is an electrical device.
A piece of electrical equipment is said as an electric device If
- It has some rotating components that are associated with it. It has some rotating parts associated with.
- It also involves electromechanical energy conversion.
The most common electrical machines include motors and generators. Both of them meet the requirements above, and are referred to electrical machines.
There is a widespread belief in the minds of many that transformers are electrical machines. It’s not. It’s a static device , and therefore it isn’t an electric machine. However, it’s included in numerous electrical machines textbooks since it’s the most commonly used electrical devices utilized and is able to be easily learned with electrical devices. The equipment that is connected to power supplies and has some losses should be categorized”electrical machines.