Ka'idar aiki na keɓancewar sauyawa - bambanci tsakanin keɓancewar sauyawa da mai watsewar kewayawa

Gabatar dawarewa canza: Keɓance maɓalli na ɗaya daga cikin na'urorin lantarki da aka fi amfani da su a cikin na'urori masu sauyawa mai ƙarfi.Kamar yadda sunan ya nuna, yakamata ya taka rawar keɓewa a cikin da'ira.Ka'idodin aikinsa da tsarinsa yana da sauƙi mai sauƙi, amma saboda babban buƙatu da manyan buƙatu don kwanciyar hankali na aiki, yana da tasiri mai girma akan ƙira, ƙirƙira da amintaccen aiki na tashoshin da wutar lantarki.Babban fasalin ƙofar kayan aiki shine cewa ba shi da ikon kashe baka, kuma za'a iya raba shi kawai kuma a rufe shi a ƙarƙashin yanayin rashin ƙarfin halin yanzu.Canjin keɓewa (wanda aka fi sani da "canjin wuƙa"), gabaɗaya yana nufin keɓancewar wutar lantarki mai ƙarfi, wato, keɓancewar keɓantawa tare da ƙimar halin yanzu fiye da 1kV ana kiranta gabaɗaya maɓallin keɓancewa, kuma yana ɗaya daga cikin mafi yawan amfani da shi. na'urorin lantarki a cikin na'urorin canza ƙarfin lantarki.Ka'idodin aikinsa da tsarinsa suna da sauƙi, amma saboda babban buƙatu da manyan buƙatu don kwanciyar hankali na aiki, yana da tasiri mai girma akan ƙira, ƙirƙira da amintaccen aiki na ma'auni da wutar lantarki.Babban fasalin keɓancewar keɓance shi ne cewa ba shi da ikon kashe baka, kuma yana iya raba da rufe da'irar kawai a ƙarƙashin yanayin babu nauyi a halin yanzu.Ana amfani da maɓallan keɓewa don canza haɗin da'ira ko keɓe hanyoyi ko kayan aiki daga tushen wuta.Ba shi da ikon katsewa kuma za'a iya cire haɗin kai daga hanya tare da wasu kayan aiki kafin aiki.Yawanci yana ƙunshe da makulli don hana rashin aiki na maɓalli a ƙarƙashin kaya, kuma wani lokaci dole ne a sayar da shi don guje wa buɗe maɓalli a ƙarƙashin aikin babban maganadisu mara kyau.Ka'idar aiki na keɓewar keɓancewa: Gabaɗaya, ana shigar da saitin na'urori masu keɓancewa a gaba da ɓangarorin bayan na'urar, manufar ita ce keɓance mai watsewar da'ira daga wutar lantarki, yana haifar da ma'anar cire haɗin kai;tun da ainihin zaɓin daftarin da'irar mai yana nufin na'urar kewaya mai, dole ne a kiyaye na'urar da'irar mai akai-akai.Akwai alamar cire haɗin kai a fili, wanda ke dacewa da kulawa;Gabaɗaya, ma'ajin da ke fitowa yana aiki ne daga babbar motar bus ɗin da ke sama bisa ga ma'aunin wutar lantarki, kuma dole ne a keɓance na'urar keɓewa daga tushen wutar lantarki, amma wani lokacin ana iya samun kira a bayan na'urar, kamar sauran madaukai, capacitors, da sauransu. kayan aiki, don haka ana kuma buƙatar saitin keɓance maɓalli a bayan na'urar ta'aziyya.Makullin keɓancewar keɓancewa shine a dogara da kariya ga sassan da dole ne a kashe su da kuma sassan da ke da ƙarfi na kayan aikin rarraba wutar lantarki mai ƙarfi don tabbatar da amincin aikin kulawa.Lambobin maɓalli na keɓewa duk suna fallasa su zuwa iska, kuma wurin cire haɗin a bayyane yake.Thewarewa canzaba shi da na'urar kashe baka kuma ba za a iya amfani da ita don katse kayan aiki na yanzu ko gajeriyar kewayawa ba.In ba haka ba, a ƙarƙashin aikin babban ƙarfin lantarki, wurin cire haɗin zai haifar da keɓantawar lantarki a fili, wanda ke da wuya a kashe kansa, kuma yana iya haifar da arcing (dangi ko gajeriyar kewayawa) da ƙone kayan aiki, yana haifar da aminci ga rayuwa.Wannan shi ne abin da ake kira "load-pull disconnector" babban hatsari.Hakanan ana iya amfani da masu keɓancewa don sauya ayyuka a wasu da'irori don canza yadda tsarin ke aiki.Bambanci tsakanin keɓanta maɓalli da na'urar kashe wutar da'ira: Masu ɓarkewar kewayawa Babban ƙarfin lantarki da na'urar lantarki ce na'urar kariyar lantarki mai nau'in na'urar kashe baka.Cikakken sunan iskar iskar iskar gas mai ƙarancin wutan lantarki, wanda galibi ana amfani dashi a cikin ƙananan da'irori.Domin yana kashe baka wanda ya dogara da iskar gas a matsayin sinadari, ana kiransa da iskar gas low-voltage circuit breaker, ko kuma iskar iska a takaice, kuma rarraba wutar lantarkin mu a gida asalinsa iskar iska ce.Maɓallin keɓancewa babban kayan aikin lantarki ne mai sauya wutar lantarki, galibi ana amfani da shi a cikin da'irori mai ƙarfi.Wannan kayan aiki ne ba tare da baka na kashe kayan aiki ba.Ana amfani da maɓalli don cire haɗin kewayawa ba tare da cajin halin yanzu ba kuma ware wutar lantarki don tabbatar da amincin kiyaye sauran kayan lantarki.Lokacin da aka kashe, zai iya zama abin dogaro bisa ga al'ada load halin yanzu da gajeren-kewaye kuskure halin yanzu.Tunda babu kayan aiki na kashe baka na musamman, ba za a iya cire haɗin ƙarfin halin yanzu da gajeriyar kewayawa ba.Don haka, keɓancewar keɓancewar za a iya sarrafa shi ne kawai lokacin da aka cire haɗin kebul ɗin, kuma an hana ɗaukar nauyi don guje wa manyan kayan aiki da haɗarin aminci.Sai kawai na'urorin wutar lantarki, masu kama da na'urorin masu ɗaukar nauyi waɗanda ƙarfin halin yanzu bai wuce 2A ba, kuma na yanzu bai wuce 5A ba, suna amfani da maɓallan keɓancewa don yin aiki da layukan da ba sa ɗaukar nauyi kai tsaye.Ya kamata a yi amfani da na'urori masu rarraba da'ira da na'urorin cire haɗin don mafi yawan wutar lantarki, tare da na'urorin kewayawa suna jefar da kaya (laifi) na halin yanzu, tare da na'urorin cire haɗin suna haifar da keɓaɓɓen wurin cire haɗin.