Autotransformer Starter Wiring Diagram. The autotransformer starter can be used for the both star and delta connected induction motor. When the start button is pressed a circuit is completed to the coil of main contactor m timer tr and shorting contactor s.
When the big motors are used for a long time in the circ. Autotransformer starter control circuit the start sequence of the autotransformer starter is as follows. Motor starting method marine inbox 3 phase star auto transformer with starter your buck 1 25 mva input 480 autotransformer circuit globe three connections.
Squirrel cage full voltage reversing and non reversing.
The autotransformer starter can be used for the both star and delta connected induction motor. And all these get energized the motor gets supply through the tappings of the autotransformer. It is provided with a number of tappings. Synchronous auto transformer reversing and non reversing.