What is Transformer? | Definition, Working and Types of Transformer

Описание: Transformer Definition

So what is transformer after all? A simple transformer definition is that it is a static electrical device which transforms the electrical energy from one electrical circuit to another without any change of frequency through the process of electromagnetic induction. It is interesting to note that the transfer of energy from one circuit to another takes place with the help of mutual induction that is flux induced in the primary winding gets linked with the secondary winding which we shall explain in a while. Transformer Failure can also occur if appropriate care is not taken for it's operation. 

The major role a transformer is either to step up or step down the voltage depending on situation where it is installed.

Construction of 3 phase transformer

The three main part of any transformer are the primary winding, secondary winding and the magnetic core. We shall now into each of this components in detail.

Primary Winding

This is the main winding where the incoming alternating current is expected. Depending on the fact that the transformer is either a step up or step down transformer the winding construction changes accordingly.

Secondary Winding

This is the winding in which the flux produced by the primary winding get linked. In this case also depending on the fact that the transformer is either a step up or step down transformer the winding construction changes accordingly. 

Magnetic Core

This is required to provide a low reluctance path for the magnetic flux to flow from the primary winding to the secondary winding to form a close magnetic circuit. It is usually made up of CRGOS (Cold Rolled Grain Oriented Silicon Steel).