Autotransformer

Definition: A transformer in which at least two windings have a common section. They are use to either “buck” or “boost” the incoming line voltage.

Related Links

Autotransformer – Wikipedia
Autotransformer and Variable Auto transformer
What is Auto Transformer ?
Transformer with common primary and secondary winding
Autotransformer Basics | Electrical Construction & Maintenance (EC&M) Magazine

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