Ayyukan Commutator a cikin Injinan DC

Mai sadarwain DC Motor

Themai motsiidan akwai wani injin DC, yana jujjuya kwararar halin yanzu wanda ke samun dama daga tushen DC a daidai lokacin yayin da igiyar armatures ke ƙetare axis ɗin maganadisu mara son zuciya. Wannan yana da mahimmanci don kiyaye jujjuyawar juzu'i ɗaya. Saboda haka, damai motsizai canza halin yanzu kai tsaye (DC) zuwa alternating current (AC).
Mai sadarwaa cikin DC Generator

Themai motsiidan akwai janareta na DC, em.f ɗin da aka jawo a cikin coil ɗin hannu zai canza a yanayi. Sabili da haka, za a canza magudanar halin yanzu a cikin coil armature shima. Wannan halin yanzu za a jujjuya shi ta hanyar commutator a daidai lokacin yayin da ƙwanƙolin sulke ya ketare axis ɗin maganadisu mara son zuciya. Don haka, nauyin da ke waje zuwa janareta zai sami halin yanzu uni-directional in ba haka ba DC (direct current).