PTCpụtara "Positive Temperature Coefficient" na ihe na-ekpo ọkụ ụgbọala. Injin nke ụgbọala mmanụ ụgbọala nkịtị na-emepụta nnukwu okpomọkụ mgbe ọ malitere. Ndị injinia ụgbọala na-eji okpomọkụ injin ahụ ekpo ọkụ ụgbọala, ntụ oyi, ịgbaze mmiri, iwepụ ikuku, ikpo ọkụ oche na ihe ndị ọzọ.Agbanyeghị, n'ime ụgbọala ike ọhụrụ, ihe nnọchi maka injin ahụ bụ moto eletriki, nke na-emepụta obere okpomọkụ n'ọrụ ya karịa injin ahụ. Ndochi nke mmanụ ụgbọala bụ batrị, ngwugwu batrị dị na sel batrị na-emetụtakwa okpomọkụ nke ukwuu, mana ọ chọkwara gburugburu okpomọkụ ụfọdụ iji hụ na nchekwa na mgbanwe ya dị mma ma dị irè. Okpomọkụ, site na mgbanwe ike, injin maka mmanụ ụgbọala site na ọkụ gaa na okpomọkụ, okpomọkụ gaa na ike mekanikal, moto ahụ bụ mgbanwe kpọmkwem nke ike eletriki gaa na ike mekanikal, site na ọnụego mgbanwe, injin ahụ ga-emefusị ike karịa, akụkụ nke ike ahụ enweghị ike imefusị, n'oge oyi, ị nwere ike ikpo ọkụ site na sistemụ ntụ oyi, ebe okpomọkụ nke moto ahụ ezughị iji kpoo ụgbọ ala na ngwugwu batrị niile ọkụ.
Ma ahụ mmadụ na-enwe oke okpomọkụ nke ọ nwere ike ịgbanwe, kedu ka esi eme ya?
Tinye "ihe na-ekpo ọkụ"Ihe na-ekpo ọkụ PTCgaa n'ụgbọala ahụ.
Dịka ọ dị na ọtụtụ ngwa ọkụ eletrik, dịka ihe esi nri osikapa, ihe esi nri induction, ihe ntụ oyi, wdg.Ihe na-ekpo ọkụ PTCA na-ejikwa ya emepụta nnukwu okpomọkụ site n'inye ihe ndị na-ekpo ọkụ dị ka waya ndị na-eguzogide ọgwụ/seramiki iji nye okpomọkụ nke ụgbọala chọrọ. Ọ bụrụ na otu ezughị, a na-agbakwunye nke ọzọ, ma ọ bụ a na-amụba ike ọzọ. Okpomọkụ e mepụtara Q=I²R*T, nke ugbu a kwụsiri ike, nke ahụ na-abawanye uru iguzogide, nke ahụ na-abawanye ike, nke ahụ na-abawanye okpomọkụ e mepụtara kwa oge; nke ugbu a kwụsiri ike, nke ahụ na-adịgide adịgide, nke ahụ na-adịte aka, nke ahụ na-erikwu ike.
Oge ozi: Maachị-09-2023
