autotransformer
N หม้อ แปลงไฟ ฟ้า อัตโนมัติ
AUTOTRANSFORMER
AUTOTRANSFORMER Au `to *trans *form "er, n. [Auto- + transformer. ] (Elec.)
au to trans form er |ˌôtōtransˈfôrmər ˌɔdoʊˌtræntsˈfɔrmər | ▶noun an electrical transformer that has a single coil winding, part of which is common to both primary and secondary circuits.
auto |trans ¦form ¦er |ɔːtəʊtransˈfɔːmə (r )| ▶noun an electrical transformer which has a single winding of which part is common to both primary and secondary circuits.