TRANSFORMERS CLASSIFIED AS PER OUTPUT

 There are two types of transformers on the basis of output obtained from the same. 

1.       1.Voltage step-up Type:

In this type of transformer, the voltage available at the secondary winding is greater than the voltage applied at the primary winding. Its secondary winding consists of a greater no. of turns in comparison to that of the primary winding.

        Let the transfer of electrical energy be 100% then

        Energy in primary= Energy in secondary

        Pp=Ps

        OR   Ip*Ep=Is*Es   

In this way, it is noted that by increasing the secondary’s voltage its current step-down transformer       as well.

2.       2.Voltage step-down Type:

In this type of transformer, the voltage available at the secondary winding is lesser than the voltage applied at the primary winding. Its secondary winding is lesser than the voltage applied at the primary winding. Its secondary winding consists of a lesser no. of turns in comparison to that of the primary winding. A voltage step-down transformer is a current step-up transfer as well. It is used in electric welding; electroplating etc. And for such purpose its size is made quite large.