Ma transfoma apamwamba kwambiri amagwiritsidwa ntchito ngati ma transfoma osinthira ma frequency apamwamba pamagetsi osinthira pafupipafupi, komanso amagwiritsidwa ntchito ngati ma inverter magetsi osinthira ma frequency apamwamba pamagetsi othamanga kwambiri komanso makina owotcherera a inverter othamanga kwambiri.Malinga ndi pafupipafupi ntchito, akhoza kugawidwa m'magulu angapo pafupipafupi: 10kHz-50kHz, 50kHz-100kHz, 100kHz ~ 500kHz, 500kHz ~ 1MHz, ndi pamwamba 1MHz.Pankhani ya mphamvu zopatsirana zazikulu, zida zamagetsi nthawi zambiri zimagwiritsa ntchito ma IGBT.Chifukwa cha zochitika zamtundu wa kutembenuka kwa IGBT, maulendo ogwiritsira ntchito ndi otsika;ngati mphamvu yotumizira ndi yaying'ono, ma MOSFET angagwiritsidwe ntchito, ndipo ma frequency ogwiritsira ntchito ndi okwera kwambiri.