Amakhoyili e-transformer abizwa ngokuthi ama-winding ayinhloko nawesibili. Uma usebenzisa ugesi we-AC ekujikeni okuyinhloko kwe-transformer, ikhoyili ye-transformer idala insimu yamagnetic eshayayo. Ingaphakathi le-transformer lisebenza ukuqondisa indlela yensimu yamagnetic phakathi kwamakhoyili ayinhloko nawesibili ukuvimbela amandla achithekayo. I-transformer winder ingumshini onamandla kakhulu futhi oguquguqukayo ongajikisa uhla olubanzi lwamakhoyili e-HV kuma-transformer okusabalalisa esebenzisa izintambo eziyindilinga nezingunxande. Isebenza ngokuzenzakalela ngokuphelele ngokujikisa kwephepha. Izinto ezijikisayo zifakwe i-epoxy resin - enobungani nemvelo.

Umshini wokugoqa ikhoyili ye-transformer uyingxenye yomshini oyinkimbinkimbi onendima ebalulekile ekukhiqizweni kwama-transformer, ohlanganisa ubuchwepheshe besimanje kanye nokucophelela ukuze kudalwe imikhiqizo esezingeni eliphezulu ngempumelelo. Inqubo iqala ngokufaka ucingo lwethusi emshinini, oludlula ohlwini lweziqondiso zokulinganisa kanye nama-tensioner aklanyelwe ukuvikela ukulingana nokuvimbela umonakalo. Uhlelo oluzenzakalelayo lube selubangela ukujikeleza, lujikeleza kancane kancane ucingo lwethusi luzungeze ikhoyili ye-transformer. Uhlelo olusebenzisa ikhompyutha luqondisa izinto eziguquguqukayo ezifana nesivinini, ukulawula iphimbo, inani lezingqimba kanye nobukhulu bokufudumeza ukuze kujikelezwe njalo. Ngaphezu kwalokho, kumamodeli noma imiklamo ye-transformer ehlukile, le mishini yokugoqa i-transformer ingafakwa izici ezengeziwe ezifana nezindlela zokusika i-lead ezizenzakalelayo kanye nokuthepha ukuze kwandiswe ukuguquguquka kanye nokukhiqiza.