Ndị na-emepụta ọkụ bụ ngwaọrụ arụ ọrụ na-agbanwe ụdị ike ndị ọzọ ka ọ bụrụ ike eletrik.A na-akwagharị ha site na turbine mmiri, turbine uzuoku, engine diesel ma ọ bụ ígwè ọrụ ike ndị ọzọ na-atụgharị ike nke mmiri na-asọ, ikuku ikuku, ọkụ ọkụ ma ọ bụ ngwá agha nuklia na-abanye n'ime ike nke a na-ebufe na generator, nke na-agbanwe ghọọ ike eletrik.
A na-eji ndị na-emepụta ọkụ na-emepụta ihe na ụlọ ọrụ mmepụta ihe na ọrụ ugbo, nchebe mba, sayensị na nkà na ụzụ na ndụ kwa ụbọchị.Ndị na-emepụta ọkụ na-abịa n'ụdị dị iche iche, mana ụkpụrụ ọrụ ha dabere na iwu nke induction electromagnetic na iwu nke ike eletrik.Ya mere, ụkpụrụ n'ozuzu nke ihe owuwu ya bụ: na ihe ndọta kwesịrị ekwesị na ihe ndị na-eduzi iji mepụta sekit magnetik induction magnetik na sekit, iji mepụta ike electromagnetic, iji nweta nzube nke ntụgharị ike.Igwe na-ere ọkụ na-abụkarị stator, rotor, okpu ngwụcha na ibu.
The stator mejupụtara stator core, winding nke eriri eriri, etiti na ndị ọzọ structural akụkụ na-edozi akụkụ ndị a.
Ihe mejupụtara rotor bụ nke rotor core (ma ọ bụ ogwe ndọta, magnetik choke) winding, mgbanaka nche, mgbanaka etiti, mgbanaka mwepu, fan na ogwe na-atụgharị, wdg.
Ihe mkpuchi na-ebu na njedebe ga-abụ stator nke generator, rotor jikọtara ọnụ, nke mere na rotor nwere ike ịtụgharị na stator, mee mmegharị nke ịcha akara magnetik nke ike, si otú ahụ na-emepụta ike induction, site na njedebe njedebe. , ejikọrọ na loop, ga-emepụta ihe dị ugbu a
