Akaryewar lodisauyawa shine kayan lantarki tsakanin amai karfin wutar lantarkikuma ahigh-voltage ware canji . A cikin wannan labarin, bari mu dubi ƙa'idar aiki na maɓalli na cajin kaya da kuma bambanci tsakanin na'urar fashewar kaya da na'ura mai kwakwalwa.
Ƙa'idar aiki na maɓalli mai ɗaukar nauyi
Babban ƙarfin lantarkiload break switch yana aiki daidai da na'urar hanawa. Gabaɗaya, shigar da na'urar kashe baka mai sauƙi, amma tsarinta yana da sauƙi. Hoton yana nuna babban matsi mai ɗaukar nauyi na matsewar iska. Tsarin aikinsa shine: lokacin da aka buɗe birki, a ƙarƙashin aikin buɗaɗɗen bazara, igiya tana jujjuya agogon agogo. A gefe ɗaya, piston yana motsawa zuwa sama ta hanyar injin ƙugiya don damfara gas; A daya bangaren kuma, ta hanyar na’urar sadarwa mai dauke da nau’i biyu na na’ura mai alaka da hudu, za a fara bude babbar wuka, sannan a tura ma’aunin baka don bude ma’aunin baka, sannan a buso iskan da ke cikin silinda da aka matse. ta bututun ruwa don fitar da baka.
Lokacin rufewa, babban mai yankan da na'urar kashe baka suna juya agogon hannu a lokaci guda ta hanyar igiya da tsarin watsawa, kuma ana rufe tuntuɓar baka da farko. Single ɗin yana ci gaba da juyawa ta yadda babbar hanyar sadarwar zata rufe daga baya. A lokacin aikin rufewa, buɗewar bazara a lokaci ɗaya tana adana makamashi. Domin load break sauya ba zai iya karya gajeren kewaye halin yanzu, shi ne sau da yawa amfani da halin yanzu iyakance high irin ƙarfin lantarki fiusi. Ayyukan ƙayyadaddun ƙayyadaddun fuse na yanzu ba kawai yana kammala aikin karya kewaye ba, amma kuma yana rage tasirin zafi da wutar lantarki da ke haifar da gajeren lokaci.
Saboda haka, load break switch shine na'urar da ke sauyawa tsakanin na'urar keɓewa da keɓancewa. Yana da na'ura mai sauƙi mai kashe baka, wacce za ta iya yanke ma'aunin nauyi da aka ƙididdigewa da wani ƙayyadaddun kayan aiki na yanzu, amma ba zai iya yanke gajeriyar da'ira ba.
Bambanci tsakanin na'urorin kashe kaya da na'urorin kewayawa
Ta fuskar al'ada, na'urori masu ɗaukar nauyi sun sha bamban da na'urorin haɗi. Load break sauya ana amfani da shi ne don karyawa da rufe abin da ake ɗauka. Ana iya amfani da shi tare da fis masu ƙarfin lantarki don maye gurbin na'urori masu tsada masu tsada da kuma yanke kuskuren halin yanzu, wato, gajeren kewayawa. An ƙaddara cewa aikin kashewa na arc na ƙwanƙwasa kayan aiki yana da rauni, wanda ya rage farashin masana'antu. Daidai ne saboda ba a yi amfani da na'ura mai ɗaukar nauyi na gargajiya don yanke bambanci tsakanin fuse na yanzu da na'ura mai ba da hanya tsakanin hanyoyin sadarwa, babu buƙatar haɗa na'urar kariya da na'urar atomatik, don haka yawancin nau'in fashewar kaya yana da hannu. sarrafa. Ba za a iya sarrafa ta lantarki ba. A cikin ƙira na mai haɗawa, ana la'akari da cewa ba wai kawai za a iya kunnawa da kashe nauyin kaya ba.
Sauye-sauyen da aka kera na musamman don sarrafa halin yanzu (fault current, rated current) su ne na'urori masu rarraba wutar lantarki, kuma matakin hana rufewar na'urorin ya yi ƙasa da ƙasa, don haka ikon sarrafa ƙarfin lantarki yana da rauni sosai. Maɓallin da aka ƙera musamman don ma'amala da ƙarfin lantarki (matakin insulation na karaya yana da girma sosai, wanda zai iya magance ƙimar ƙarfin jurewar karaya) shine keɓancewar keɓancewa, wanda akafi sani da birki na kayan aiki. Load break switch ne mai sauyawa tsakanin biyun da zai iya rike halin yanzu (rated current) da kuma irin ƙarfin lantarki (matakin insulation na hutu ya fi na na'ura mai keɓewa, amma ƙasa da maɓalli na keɓancewa), amma duk da cewa na'ura mai ɗaukar nauyi zai iya karye kuma rufe rating halin yanzu, rufe short kewaye halin yanzu, amma an haramta sosai karya guntun da'irar halin yanzu.
Wannan ita ce ka'idar aiki na maɓalli mai ɗaukar nauyi da kuma bambanci tsakanin na'ura mai ɗaukar nauyi da na'urar kewayawa.
Lokacin aikawa: Oktoba-26-2023