Low current low voltage

High current low voltage

Low current high voltage

High current high voltage

To reduce the copper loss

To increase the residual magnetism

To decrease the residual magnetism

To reduce the reluctance of magnetic path

Cast iron

Soft iron

Aluminium

Rolled Steel

Supplies output continuously

Makes output in the uni direction

Makes output in the opposite direction

Collects the output from alternate conductors

Pulsating voltage

Oscillating voltage

Alternating voltage

Direct current voltage