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Anybody has a clue what an autostep down transformer is?

An autotransformer (sometimes called autostep down transformer)[1] is an electrical transformer with only one winding. The "auto" (Greek for "self") prefix refers to the single coil acting on itself and not to any kind of automatic mechanism. In an autotransformer, portions of the same winding act as both the primary and secondary sides of the transformer. The winding has at least three taps where electrical connections are made. Autotransformers have the advantages of often being smaller, light


An autotransformer (sometimes called autostep down transformer) is an electrical transformer with only one winding
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