GABATAR DA FIUSE MAI KARFI

Fis ɗin wutar lantarki mai ƙarfigalibi ana amfani da su a cikin ƙananan grids na wutar lantarki masu ƙarfin lantarki waɗanda ƙarfinsu bai wuce 35kV ba. Idan aka sami ƙarin nauyi ko kuma da'ira ta gajarta a cikin tsarin, narkewar narkewar yana busawa saboda yawan zafi, ta haka ne ake yanke layin kuma yana kare grid ɗin wutar lantarki da kayan aikin lantarki. Ka'idar aikinsa iri ɗaya ce da ta fis ɗin wutar lantarki mai ƙarancin wutar lantarki. Fis ɗin iri ɗaya ne.
An raba fis ɗin wutar lantarki mai ƙarfin lantarki zuwa nau'i biyu: iyakance wutar lantarki da kuma ɗigowarta. Ma'anar iyakance wutar lantarki ita ce a iyakance wutar lantarki mai gajeren zango don isa ga ƙimar mafi girma, ta haka ne za a karya layin a wani ƙima kafin ƙimar mafi girma ta wutar lantarki mai gajeren zango, da kuma rage illar wutar lantarki mai gajeren zango ga layin da kayan aikin wutar lantarki.

1. Gabatar da fis ɗin drop
Ginshiƙin rufewa yana taka rawar shigarwa, gyarawa da kuma rufewa, kuma kayan aikin yumbu ne. Bututun narkewa yana taka rawar rufewa da kashe baka. An yi saman Layer ɗin daga bututun takarda mai siffar phenolic ko bututun zane na gilashin epoxy, kuma an yi saman Layer ɗin ciki da kayan samar da iskar gas kamar bututun takarda na ƙarfe ko bututun takarda mai siffar shellac. Duk ƙarshen bututun narkewar suna haɗuwa ta sama da ƙasa. Narkewar tana ratsa bututun narkewar, an gyara ƙarshen ɗaya a kan ƙaramin haɗin gwiwa, ɗayan ƙarshen kuma an matse shi a kan farantin matsi wanda zai iya juyawa a kusa da axis, kuma an matse farantin matsi a kan takardar ƙarfe mai siffar spring don samar da haɗin sama. Bututun haɗawa yana daure tsakanin tallafin ƙarfe da duckbill. Lokacin shigarwa, sanya bututun fise da layin tsaye kusurwar 30°. Bayan an haɗa narkewar, farantin matsi yana juyawa a gefen hagu a ƙarƙashin aikin maɓuɓɓugar ruwa, abin da ke sama ya zame daga harshen murfin duckbill, kuma bututun fise ɗin yana juyawa a gefen hagu a kusa da shaft 3 ta hanyar nauyinsa, yana rataye a kan goyon bayan, kuma ana cewa ya faɗi. Bayan an hura narkewar kuma an samar da baka,
Zafin baka yana sa kayan da ke kan bangon ciki na bututun narkewar iskar gas, matsin lamba a cikin bututun ya tashi, iskar gas ɗin yana fitowa waje da sauri mai yawa, kuma baka yana busawa a tsayi, kuma baka yana kashewa lokacin da wutar lantarki ta wuce sifili.
Bayan bututun fuse ya faɗi, cire bututun fuse ɗin da sandar ƙugiya mai hana ruwa shiga sannan a maye gurbinsa da sabon narkewa. Bayan an kawar da matsalar, a tura bututun fuse ɗin zuwa wurin rufewa.
Fis ɗin yana da sauƙin tsari kuma yana da araha. Rashin kyawunsa shine cewa wutar lantarki mai karyewa ƙarami ce, kuma idan aka hura narkewar, ana fesa harshen wuta da ragowar ƙarfe daga bututun fis ɗin zuwa ƙarshen biyu.

2. Gabatarwarfis mai iyakancewa ta yanzu
Ana amfani da wayar jan ƙarfe mai rufi da azurfa a matsayin fis kuma a yi rauni a layi ɗaya a kan tsakiyar yumbu don samar da narke gaba ɗaya. Ana haɗa fis ɗin da ƙwallan tin, wanda ke amfani da tasirin ƙarfe, wanda zai iya inganta matsalar cewa zafin hulɗar yana ƙaruwa sosai lokacin da wutar lantarki mai yawa ta yi ƙasa, da kuma tin. Ƙwallon ba shi da tasiri sosai wajen karya gajeren da'irar, saboda gajeren lokacin da'irar yana da ɗan gajeren lokaci. Fis ɗin an yi shi ne da kayan yumbu kuma an cika shi da yashi mai siffar quartz a matsayin cikawa. Ƙeshin bututun fis ɗin biyu murabba'i ne na tagulla a matsayin haɗin gwiwa.
Idan narkewar ta kasance ƙarƙashin tasirin wutar lantarki, da farko tana haɗuwa, kuma ƙaramin rata ya karye don samar da baka, sannan a hankali ana faɗaɗa rata kuma tsarin rushewa ya faru, har sai ƙarfin wutar lantarki ya daina sa rata ya lalace kuma layin ya yanke. Saboda ƙarfin rabuwar yashi na quartz, ana yanke wutar lantarki ta ɗan gajeren lokaci ko iyakance ta kafin ta kai ga ƙimar kololuwar, don haka ana kiranta fiyu mai iyakance wutar lantarki.
Lokacin dafis ɗin iyakance na yanzuya yanke layin, an kashe baka a cikin bututun fise da aka rufe, kuma ana amfani da shi sosai a cikin na'urorin rarraba wutar lantarki na cikin gida. Saboda tasirin iyakancewa na yanzu, buƙatun don daidaiton yanayin aiki da zafi na kayan lantarki a cikin da'irar sun ragu.