Ihe mkpuchi ọkụ eletrik bụ akụkụ dị mkpa nke igwe igwe, ebe ọ na-enyere aka ichebe ikuku moto site na mmebi ma gbochie mkpirisi ọkụ eletrik.
Na mgbakwunye na ichebe moto winding site na mmebi, akwụkwọ mkpuchi na-enyekwa aka melite arụmọrụ nke moto ahụ. Site n'ibelata ohere nke obere ọkụ eletrik na ụdị mmebi ndị ọzọ, akwụkwọ mkpuchi ahụ nwere ike inyere aka hụ na moto na-arụ ọrụ na ọkwa kachasị mma, na-enye ọrụ a pụrụ ịdabere na ya na nke ọma.
Akwụkwọ mkpuchi ọkụ eletrik dabara adaba maka ụgbọ ala eletrik, ụgbọ ala ike ọhụrụ, igwe eletriki eletrik, skuuta na ụgbọ ala ndị ọzọ.