Definition of autotransformer in English:

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Pronunciation: /ɔːtəʊtransˈfɔːmə/


An electrical transformer which has a single winding of which part is common to both primary and secondary circuits.
Example sentences
  • Always connect the autotransformer after the power switch and fuse of the equipment it is installed in.
  • If this is actually an autotransformer, then you do not have a separate primary and secondary winding.
  • This line of autotransformers offers cost effective and reliable means of AC blower motor speed control.
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