Ndi kupita patsogolo kwa sayansi ndi ukadaulo komanso chitukuko chaukadaulo wamagetsi, zida zamagetsi zambiri zimafunikira kugwiritsa ntchito zida za transformer.Ma transfoma a LLC (resonant), omwe amatha kugwira ntchito nthawi imodzi popanda katundu ndikuwonetsa kuwala kapena katundu wolemetsa ndi mayendedwe apano, amaphatikiza zabwino zomwe zosintha wamba zosinthika ndi zosinthira zofananira sizingafanane, chifukwa chake, akhala akugwiritsidwa ntchito kwambiri.