Samfurin kama mai walƙiya mai inganci

Ka'idar Aiki na kama

Zinc oxide arrester sabon nau'in kama ne da aka haɓaka a cikin 1970s, wanda galibi ya ƙunshi varistor oxide.Kowane varistor yana da takamaiman wutar lantarkin sa (wanda ake kira varistor voltage) lokacin da aka yi shi.Karkashin wutar lantarki na yau da kullun (wato ƙasa da ƙarfin wutar lantarki), ƙimar varistor yana da girma sosai, wanda yayi daidai da yanayin insulating, amma a cikin ƙarfin aiki na yau da kullun (wato ƙasa da ƙarfin varistor) ƙarƙashin aikin wutar lantarki mai ƙarfi (mafi girma fiye da ƙarfin varistor), varistor yana rushewa a ƙananan ƙima, wanda yayi daidai da yanayin ɗan gajeren lokaci.Koyaya, bayan an buga varistor, ana iya dawo da yanayin insulating;lokacin da wutar lantarki mafi girma fiye da ƙarfin varistor aka janye, yana komawa zuwa babban juriya.Don haka, idan aka sanya na’urar kama zinc oxide akan layin wutar lantarki, idan walkiya ta faru, tsananin wutar lantarkin na walƙiyar yana sa varistor ɗin ya karye, kuma hasken walƙiya yana gudana cikin ƙasa ta hanyar varistor, wanda zai iya sarrafa wutar lantarki. ƙarfin lantarki akan layin wutar lantarki a cikin kewayon aminci.Ta haka ne ke kare lafiyar kayan lantarki.