Samfura
Vacuum interrupter don inflatable majalisar (132A)
Takaitaccen bayanin samfurin:
A cikin 1926, ƙungiyar da Royal Sorensen ke jagoranta a Cibiyar Fasaha ta California ta binciki canjin injin da kuma gwada na'urori da yawa;An bincika muhimman abubuwan da ke tattare da katsewar baka a cikin injin da ba a taɓa gani ba.Sorenson ya gabatar da sakamakon a taron AIEE a waccan shekarar, kuma ya annabta amfani da kasuwancin masu sauyawa.A cikin 1927, General Electric ya sayi haƙƙin haƙƙin mallaka kuma ya fara haɓaka kasuwanci.Babban mawuyacin hali da ci gaban kayan canji mai cike da man fetur ya sa kamfanin ya rage ayyukan ci gaba, kuma an yi ɗan ƙaramin aiki mai mahimmanci na kasuwanci akan injin sauya wutar lantarki har zuwa shekarun 1950.
A shekara ta 1956, H. Cross ya yi juyin juya hali na maɓalli mai girma-mita-dawafi kuma ya samar da maɓalli tare da ƙimar 15 kV a 200 A. Shekaru biyar bayan haka, Thomas H. Lee a General Electric ya samar da na'urori na farko tare da ƙididdiga. irin ƙarfin lantarki na 15 kV a gajeriyar keɓaɓɓiyar igiyoyin 12.5 kA.A shekara ta 1966, an ƙirƙira na'urori tare da ƙimar ƙarfin lantarki na 15 kV da gajeren kewayawa na 25 da 31.5 kA.Bayan shekarun 1970s, vacuum switches sun fara maye gurbin mafi ƙarancin-man mai a cikin injin wutan lantarki.a farkon 1980s, SF6 switches da breakers suma sannu a hankali an maye gurbinsu da fasahar injin a cikin aikace-aikacen matsakaicin ƙarfin lantarki.
Kamar yadda na 2018, injin kewayawa ya kai 145 kV kuma karyewar halin yanzu ya kai 200 kA.
Siemens mai shekaru 30 da haihuwa
Lambobin sadarwa suna ɗaukar da'irar halin yanzu lokacin rufewa, suna samar da tashoshi na baka lokacin buɗewa.An yi su da kayan aiki iri-iri, ya danganta da amfani da ƙira na mai katsewa don tsawon rayuwar hulɗa, saurin dawo da ƙarfin juriya da ƙimar ƙarfin lantarki, da sarrafa ƙarfin wuta saboda sarewar yanzu.
Tsarin aiki na waje yana tafiyar da lamba mai motsi, wanda ke buɗewa kuma yana rufe da'irar da aka haɗa.Mai katsewa ya haɗa da hannun rigar jagora don sarrafa hulɗar motsi da kare ƙwanƙolin rufewa daga karkacewa, wanda zai rage rayuwar sa sosai.
