Karamin Synchronous Motors
Synchronous motors suna maimakon kasa mai yawa da take faruwa da tsari mai kyau ta zama da sauran abubuwan gagaradda.

Non Excited Synchronous Motors
Waɗannan maimakon sun amfani da sauran samun magana don magana kan rotor na fero, wanda ya ba su da tasirin sama na gagaradda ba.
Hysteresis and Reluctance Motors
Abubuwan non-excited synchronous motors sun amfani da hukuma daban-daban (hysteresis losses and magnetic reluctance) don samun da ci nasarar samun sama na gagaradda.
Permanent Magnet Synchronous Motors
Rotor sun yi waɗansu da alamomin da suka haɗa. Sun bayar da flux magana mai rawa. Rotor yake ci sama da gagaradda a lokacin da tsari ya zama da sauran tsari. Ba su iya faruwa a baya ba, kuma an buƙaci da shi a takaice da stator drive na variable frequency na kontrololin elektroniki.

Direct Current Excited Motor
Synchronous motors na direct current excited sun buƙaci da DC supply zuwa rotor don bayar da samun magana. Waɗannan maimakon suna da windings a stator da rotor, kuma zai iya ɗaukan rotor na cylindrical ko salient pole. Ba su iya faruwa a baya ba, saboda haka sun amfani da damper windings don faruwa a matsayin induction motors rarrabe idan suka ci gagaradda.

Current Excited Synchronous Motors
Waɗannan maimakon sun buƙaci da DC supply zuwa rotor windings don bayar da samun magana, kuma zai iya amfani da damper windings don faruwa a matsayin induction motors rarrabe idan suka ci gagaradda.