Harsh Electricals

Other Details

In the case of Auto Transformers, the both the windings that is primary and secondary windings are connected to each other both physically and magnetically. There is one common winding which forms both primary and secondary winding in which voltage is varied by changing the position of secondary tapping on the body of the coil.

Its efficiency is more when compared with the conventional one.

Its size is relatively very smaller.

Voltage regulation of auto transformer is much better.

Lower cost

Low requirements of excitation current.

Less copper is used in its design and construction

In conventional transformer the voltage step up or step down value is fixed while in auto transformer, we can vary the output voltage as per out requirements and can smoothly increase or decrease its value as per our requirement.