Meaning of autotransformer in English:


Pronunciation /ˌɔːtə(ʊ)trɑːnsˈfɔːmə/


  • An electrical transformer which has a single winding of which part is common to both primary and secondary circuits.

    ‘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.’
    • ‘They can build autotransformers to any voltage and current required.’
    • ‘I am planning to build a 4 input volume control device using an autotransformer and remote control.’