Mai ba da ra'ayi naúrar yana tunatar da ku cewa akwai masu sauya mitar da ba sa buƙatar raka'a gyarawa, waɗanda aka sani da masu sauya mitar AC-AC. Koyaya, yawancin kasuwa sun ƙunshi masu canza mitar AC-DC-AC, waɗanda ke ɗauke da raka'a masu gyara. Wannan wani tsari ne da aka kafa ta wani matakin fasaha da gasar kasuwa. Masu sauya mitar AC-DC-AC suna da arha don samarwa kuma sun fi dogaro da balagagge don amfani, don haka kowa yana amfani da su. A haƙiƙa, wannan kuma ya yi daidai da wasu dokokin binciken kimiyyar ɗan adam.
Misali, muryoyin mu yanzu dole ne su zama lambobi, musanya su zuwa lambobin 0-1 masu sauƙi, sannan a watsa zuwa wurare masu nisa kafin su zama sauti na gaske. Saboda abubuwa masu sauƙi suna da sauƙin ƙididdigewa da sarrafa su, mukan yi la'akari da haɗaɗɗun masu lankwasa sannan mu yi amfani da hanyoyin layi don ƙididdigewa da kwaikwaya hadaddun matakai na zahiri na duniya.
Mai sauya mitar AC-DC-AC da farko yana canza ikon AC zuwa wutar DC, sannan ya mayar da shi zuwa wutar AC ta hanyar saran IGBT. Yana da sauƙin aiwatar da shigar da wutar DC yayin sarewa saboda layi ne. Daga mahangar lissafi, idan dai an raba shi zuwa ƙananan ƙananan tubalan, tasirin tarawa iri ɗaya ne da na igiyar igiyar ruwa. Ana iya kunnawa da kashe na'urorin IGBT kawai, don haka sun fi dacewa da sarrafa siginar toshe.
Don haka da farko, juya AC zuwa DC, wanda zai iya zama kamar ƙarin tsari, amma a zahiri, 'fiƙe wuka ba ya rasa itacen tsinke', yana da sauƙin gaske. Bugu da kari, na'urorin gyarawa da capacitors na'urorin lantarki ne na gargajiya da balagagge, wadanda suke da rahusa a farashi, dan kadan ne kawai a girman.
AC-DC-AC masu sauya mitar mitoci sun zama ruwan dare gama gari, wanda ya ƙunshi mai gyara, tsarin tacewa, da inverter. Mai gyara shine cikakken sarrafawa mai daidaitawa wanda ya ƙunshi diode gada mai hawa uku maras sarrafawa ko transistor mai ƙarfi, yayin da injin inverter shine da'irar gada mai hawa uku wanda ya ƙunshi transistor masu ƙarfi. Ayyukansa sun yi daidai da na mai gyara, wanda ke musanya wutar lantarki akai-akai zuwa wutar lantarki da mitar AC.
Matsakaicin matakin tacewa yana amfani da capacitors ko reactors don tace wutar lantarki da aka gyara ko halin yanzu. Dangane da matakan tacewa na tsaka-tsaki na DC daban-daban, ana iya raba masu sauya mitar AC-DC-AC zuwa iri biyu: nau'in wutar lantarki da nau'in halin yanzu. Saboda dalilai daban-daban kamar hanyoyin sarrafawa da ƙirar kayan masarufi, ana amfani da inverter nau'in wutar lantarki sosai. Ana amfani da su a cikin masu sauya mitar ta atomatik na masana'antu (ta amfani da m ƙarfin lantarki m mitar VVVF iko, da dai sauransu) da kuma rashin katsewa samar da wutar lantarki (UPS, ta amfani da akai-akai irin ƙarfin lantarki m mitar CVCF iko) a IT da kuma samar da wutar lantarki filayen.
Tabbas, ba yana nufin ci gaban masu sauya mitar AC-AC ya daina ba. Mai sauya mitar Matrix sabon nau'in AC-DC-AC mai jujjuya mitar mitar kai tsaye, wanda ya ƙunshi tsararrun sauyawa guda tara kai tsaye da aka haɗa kai tsaye tsakanin shigarwa da fitarwa mai matakai uku. Mai jujjuya matrix ba shi da madaidaicin hanyar DC, kuma fitowar sa ta ƙunshi matakai uku tare da ƙarancin abun ciki mai jituwa; Da'irar wutar lantarki mai sauƙi ne, ƙarami, kuma tana iya fitar da wutar lantarki ta sine tare da mitar sarrafawa, girma, da lokaci; Matsakaicin ikon shigar da mai sauya matrix yana iya sarrafawa kuma yana iya aiki cikin quadrant hudu, kodayake masu canza matrix suna da fa'idodi da yawa.
Duk da haka, a lokacin tafiyarsa, ba a ba da izini ga maɓallai biyu su yi aiki ko kashe su lokaci guda, wanda ke da wahalar aiwatarwa. A sauƙaƙe, algorithm bai balaga ba. Babban koma baya na masu canza matrix shine ƙarancin ƙarfin fitarwar su da babban ƙarfin ƙarfin na'urar. Bugu da kari, ko da yake ba ya bukatar raka'a gyarawa, yana da karin na'urori masu sauyawa guda 6 fiye da masu sauya mitar AC-DC-AC.