Iinjini ze-AC kunye ne-DC zezona ntlobo zixhaphakileyo zeemoto ezisetyenziswa kwiinkqubo ezahlukeneyo. Ukuqonda umahluko phakathi kwezi ntlobo zimbini zeenjini kubalulekile ekukhetheni imotor eyiyo kwisicelo esithile.
Umahluko ophambili phakathi kweenjini ze-AC kunye ne-DC luhlobo lwangoku ezilusebenzisayo. Njengoko igama libonisa, iinjini ze-AC zisebenza ngokutshintshana ngoku, ngelixa iinjini zeDC zisebenza ngokuthe ngqo. Lo mahluko usisiseko kuhlobo lwangoku abalisebenzisayo linempembelelo enkulu ekusebenzeni kwabo nakwizicelo zabo.
Iinjini ze-AC ziyaziwa ngokulula kwazo kunye nokuthembeka. Zisetyenziswa ngokubanzi kwizixhobo zendlu, oomatshini boshishino kunye neenkqubo zeHVAC. Iinjini ze-AC ziyakwazi ukusebenza ngesantya esingaguqukiyo, nto leyo ezenza zilungele usetyenziso olufuna ukusebenza ngokuqhubekayo nokungaguqukiyo. Enye yeenzuzo eziphambili zeenjini ze-AC kukukwazi ukutshintsha ngokulula isantya sokujikeleza ngokulungelelanisa nje ukuphindaphinda komthombo wamandla we-AC.
Iinjini zeDC, kwelinye icala, ziyaziwa ngokukwazi ukubonelela ngesantya esichanekileyo kunye nolawulo lwendawo. Ngokuqhelekileyo zisetyenziswa kwizicelo ezifana neenqwelo zombane, iirobhothi kunye neenkqubo zokuhambisa. Iinjini zeDC zibonelela ngesantya esibalaseleyo solawulo kunye nolawulo lwetorque, zizenza zilungele usetyenziso olufuna ulawulo lwentshukumo oluchanekileyo.
Ngokwesakhiwo, iinjini ze-AC zihlala zisebenzisa uyilo lwe-motor induction, apho umhlaba ojikelezayo wemagnethi ushukunyiswa ngumsinga otshintshanayo kwi-stator winding. Imoto ye-DC, kwelinye icala, isebenzisa i-commutator kunye neebrashi ukuguqula ngoku ngqo kwintshukumo ejikelezayo.
Xa kufikwa kulungiso, iinjini ze-AC zifuna ukugcinwa okuncinci kuneenjini zeDC ngenxa yoyilo olulula kunye neendawo ezimbalwa ezihambayo. Nangona kunjalo, iinjini zeDC zibonelela ngobuchule obungcono kunye nolawulo, ngakumbi kwizicelo eziguquguqukayo zesantya.
Isishwankathelo, ngelixa zombini iinjini ze-AC kunye ne-DC zineempawu zazo ezizodwa kunye neenzuzo, ukhetho phakathi kwezi zibini luxhomekeke kwiimfuno ezithile zesicelo. Ukuqonda umahluko phakathi kweenjini ze-AC kunye ne-DC kubalulekile ekukhetheni eyona moto ifanelekileyo kwimeko yosetyenziso oluthile. Nokuba kukusebenza okuqhubekayo okanye kulawulo oluchanekileyo lwentshukumo, ukhetho olufanelekileyo phakathi kweenjini ze-AC kunye ne-DC lunokuba nefuthe elibonakalayo ekusebenzeni nasekusebenzeni kwenkqubo yakho.
