Uyini umsebenzi we-vacuum circuit breaker

Lapho i-i-vacuum circuit breakerisendaweni evaliwe, ukwahlukanisa kwayo emhlabeni kwenziwa ngama-insulators afanelekile.Uma kwenzeka iphutha elihlala njalo lomhlabathi emzileni oxhunywe ku-vacuum circuit breaker, futhi iphuzu lephutha lomhlabathi lingasulwa ngemva kohambo lwe-circuit breaker, igebe le-vacuum ekunqamukeni kwe-circuit breaker kufanele futhi libe nesibopho sokufakwa phansi komhlabathi. ibhasi likagesi.Igebe le-vacuum insulation phakathi koxhumana nabo kufanele limelane nama-voltage ahlukahlukene okulungisa ngaphandle kokuwohloka.Ngakho-ke, izici zokwahlukanisa zegebe levacuum seziphenduke okuqukethwe kwamanje kocwaningo ukuze kuthuthukiswe i-voltage yokuphuka kwegumbi lokucima i-arc, nokwenza isinqamuli sesifunda se-vacuum sekhefu elilodwa sithuthuke sibe sezingeni eliphezulu lamandla kagesi.Ama-circuit breaker yilawa: 1. Ibanga lokuvula lokuxhumana lincane.Ibanga lokuvula lokuxhumana le-10KV vacuum circuit breaker lingu-10mm kuphela.Imishini yokusebenza inamandla okusebenza amancane phezulu naphansi, i-stroke encane yengxenye yomshini, nempilo ende yomshini.2. Isikhathi sokushiswa kwe-arc sifushane, kungakhathaliseki ukuthi ubukhulu be-switching current, ngokuvamile uhhafu womjikelezo kuphela.3. Ngenxa yezinga elincane lokugqoka lokudlulisa kanye nokuqhutshwa lapho kuphulwa okwamanje, impilo kagesi yabathintana nabo yinde, ivolumu egcwele iphukile izikhathi ezingu-30-50, i-voltage elinganiselwe iphukile izikhathi ezingaphezu kuka-5000, umsindo uphansi. , futhi ilungele ukusebenza kaningi.4. Ngemuva kokuthi i-arc icishiwe, ijubane lokulungisa le-gap yokuxhumana liyashesha, futhi izici zephutha zendawo eseduze yokuphuka zingcono.5. Incane futhi ilula ngosayizi, ilungele ukuphula umthamo wamanje we-capacitive.Ngenxa yezinzuzo zayo eziningi, isetshenziswa kabanzi eziteshini zokusabalalisa.Amamodeli amanje yilawa: ZN12-10, ZN28A-10, ZN65A-12, ZN12A-12, VS1, ZN30, njll. Asebenza kanjani ama-vacuum circuit breaker "I-vacuum circuit breaker" idume ngendawo yokucisha i-arc kanye ne-insulating medium of the igebe lokuxhumana ngemuva kokucisha i-arc.Inezinzuzo zobukhulu obuncane, isisindo esincane, isisindo esincane, njll. Ifaneleka ukusebenza njalo.Ngakho-ke, isetshenziswa kabanzi kunethiwekhi yokusabalalisa.Umgomo wokusebenza wama-vacuum circuit breaker awunzima: 1. Ukuwohloka okubangelwa yi-cathode: Ngaphansi kwensimu kagesi enamandla, izinga lokushisa le-protrusions endaweni ye-electrode eyi-negative liyakhuphuka ngenxa yomphumela wokushisa we-Joule we-air emission current, nalapho izinga lokushisa lifinyelela iphuzu elibucayi, ama-protrusions ayancibilika ukuze akhiqize umusi, okuholela ekuphumeleleni.2. Ukuqhekeka okubangelwa i-anode: Ukuqhuma kwe-anode kushisa iphuzu ngenxa ye-ion beam ethunyelwe i-anode, ikhiqiza ukuncibilika kanye nomhwamuko, futhi kwenzeka ukuhlukana kwegebe.Izimo zokuwohloka kwe-anode zihlobene nenkomba yokukhuphuka nokuwa kwenkundla kagesi kanye nesikhala segebe.Ukwengeza, ukumelana kwesifunda se-vacuum circuit breaker yi-pyrogen eyinhloko ethinta ukushisa, futhi ukumelana kwesifunda kwegumbi lokucima i-arc kuvame ukubala ngaphezu kwe-50% yokumelana kwesifunda se-vacuum circuit breaker.Ukumelana kwesekethe yegebe lokuxhumana kuyisici esiyinhloko sokumelana kwesifunda se-vacuum interrupter.Njengoba isistimu yokuxhumana ivalwe kusiphazamisi se-vacuum, ukushisa okukhiqizwa kungahlakazwa ngaphandle kuphela ngezinduku ezihambayo nezimile.Umgomo wokuhlukanisa lezi zikhala ze-vacuum ubonisa ukuthi izinto zesiteji se-vacuum kanye nengaphezulu lesiteji yizinto ezibalulekile zokuvala igebe le-vacuum.