Is the transformer a power supply?
In the classification of electrical components, the transformer does not belong to the power supply, belonging to the power conversion element
Narrow power supply: refers to the other forms of energy can be converted into electrical energy devices, such as: generators, a variety of batteries; where the transformer does not belong to the power supply.
Generalized power supply: refers to the ability to output electrical devices. It includes generators, various batteries; transformers; regulators; etc.; where transformers are power supplies.
Here, are relatively speaking.
1, if your equipment behind the transformer, then the output of the transformer is your power.
2, if your equipment in front of the transformer (such as a substation or generator), then the transformer is your load.
3, for example: at home, the adapter (to the phone with a transformer device), it is for your phone, that is, power, you said the socket, it is the load.
4, but if it is necessary to define it as what equipment, then it does not belong to the power supply equipment (power supply with a large generator, a small dry battery). It is able to change the power supply mode of the device.
