Bushing high-voltage yana nufin na'urar da ke ba da damar guda ɗaya ko da yawa masu gudanarwa su wuce ta cikin sassan kamar bango ko akwatuna don rufi da tallafi, kuma na'ura ce mai mahimmanci a tsarin wutar lantarki.A cikin aiwatar da masana'antu, sufuri da kiyayewa, manyan bushings masu ƙarfi na iya samun lahani na ɓoye saboda dalilai daban-daban;a lokacin aiki na dogon lokaci, suna shafar tasirin wutar lantarki da dumama madubi, lalacewar injiniyoyi da lalata sinadarai, da yanayin yanayi.Hakanan za a sami lahani a hankali.
Ana amfani da bushings masu ƙarfi sosai don rufe ƙasa na layukan wutar lantarki masu shigowa da masu fita kamar su taransfoma, reactors, da na'urori masu rarraba wutar lantarki, da na'urorin lantarki masu ƙarfi da ke wucewa ta bango.Akwai nau'ikan manyan bushings masu ƙarfin lantarki guda uku: bushing dielectric guda ɗaya, haɗaɗɗen dielectric bushing da capacitive bushing.Babban rufi na capacitive bushing ya ƙunshi coaxial cylindrical series capacitor bank kafa ta hanyar iska mai rufi kayan rufi da tsare karfe lantarki a madadin a kan conductive sanda.Dangane da nau'ikan insulating daban-daban, an raba shi zuwa takarda gummed da takarda capacitive bushing.110kV kuma sama da na'ura mai canzawa high-voltage bushings yawanci mai-takardanau'in capacitor;Ya ƙunshi tashoshi na wayoyi, majalisar ajiyar mai, hannun riga na ain, ƙananan hannun rigar ain, core capacitor, sandar jagora, mai insulating, flange, da ƙwallon matsi.
A lokacin aiki na bushing high-voltage, babban rufi dole ne ya yi tsayayya da babban ƙarfin lantarki, kuma sashin gudanarwa dole ne ya ɗauki babban halin yanzu.Babban laifuffuka shine rashin haɗin haɗin haɗin wutar lantarki na ciki da na waje, damshi da lalacewar insulation na bushing, rashin mai a cikin daji, fitar da ɓangaren capacitor core da fitarwa na ƙarshen allo zuwa ƙasa, da sauransu.
Na'urar taranfoma wata na'ura ce da ke jagorantar babbar waya mai karfin wutan lantarkin da ke jujjuyawa zuwa wajen tankin mai, kuma tana aiki a matsayin tallafi na sashi da kuma rufe ƙasa.A lokacin aikin na’uran na’urar, kayan aikin na’uran na’urar yana wucewa na tsawon lokaci, sannan gajeriyar da’ira ta ratsa ta yayin da gajeriyar da’ira ta auku a wajen na’urar.
Don haka, bushing transformer yana da waɗannan buƙatu:
Dole ne ya sami ƙayyadaddun ƙarfin lantarki da isasshen ƙarfin inji;
Dole ne ya sami kwanciyar hankali mai kyau na thermal kuma ya iya jure yawan zafi nan take lokacin da gajeriyar kewayawa;ƙananan siffa, ƙanana a cikin taro, kuma mai kyau a cikin aikin rufewa.
Rabewa
Ana iya raba bushings masu ƙarfin ƙarfin lantarki zuwa bushings mai cike da mai da bushings masu ƙarfi.
Kebultakardaa cikin bushing mai cike da mai yayi kama da farantin daidaitawa a cikin bushing capacitive.Matsakaicin capacitor a cikin bushing capacitive shine jerin nau'ikan capacitors na cylindrical coaxial, kuma a cikin bushing mai cike da man fetur, dielectric akai-akai na takardar insulating ya fi na mai, wanda zai iya rage karfin filin a can.
Za a iya raba bushing ɗin da ke cike da mai zuwa tazarar mai guda ɗaya da ɓangarorin mai da yawa, kuma ana iya raba bushings masu ƙarfi zuwa gandun daji da na takarda mai mai.
Ana amfani da hannayen riga a lokacin da masu ɗaukuwa na yanzu ke buƙatar wucewa ta cikin shingen ƙarfe ko bango ta hanyoyi daban-daban.Dangane da wannan lokacin da ya dace, ana iya raba bushings zuwa bushing transfoma, bushings don sauyawa ko haɗa kayan aikin lantarki, da katako na bango.Don wannan tsarin na'urorin lantarki na "toshe-in", filin lantarki yana mai da hankali sosai a gefen na'urar lantarki ta waje (kamar tsakiyar flange na bushing), inda fitarwa yakan fara.
Amfani da halaye na casing
Ana amfani da bushing high-voltage for high-voltage conductors don wucewa ta sassan da dama daban-daban (kamar ganuwar da kwandon karfe na kayan lantarki) don rufi da tallafi.Saboda rashin daidaituwa na rarraba wutar lantarki a cikin daji, musamman ma'auni na wutar lantarki a gefen tsakiyar flange, yana da sauƙi don haifar da zamewar ƙasa.Tsarin rufin ciki na bushing tare da matakin ƙarfin lantarki mafi girma ya fi rikitarwa, sau da yawa yana amfani da kayan haɗin gwiwa, kuma akwai matsaloli irin su fitarwa na ɓangare.Don haka, dole ne a ƙarfafa gwaji da duba casing.
Lokacin aikawa: Maris 27-2023