I-air switch (ngemuva kwalokhu ebizwa ngokuthi "i-air switch", lapha sibhekisela ngokukhethekile ku-GB10963.1 i-circuit circuit breaker evamile) into yokuvikela ikakhulukazi ikhebula, umbuzo oyinhloko uthi "kungani inkinobho yomoya kufanele isethe ukuvikela ukugcwala ngokweqile kanye nokuvikelwa kwesekethe emfushane" inganwetshwa kokuthi "kungani ikhebula kufanele isethe ukuvikela ukugcwala ngokweqile kanye nokuvikela isekethe emfushane ngesikhathi esifanayo"
1.Kuyini i-overcurrent?
I-loop yamanje enkulu kunesilinganiso sokuphatha samanje se-loop conductor idlulele, okuhlanganisa umthamo wamanje ogcwele kakhulu kanye nowesifunda esifushane.
2.ukuvikela ukugcwala kwekhebula
Isekhethi kagesi ngenxa yezinto eziningi zikagesi noma izinto zikagesi ngokwazo zilayisha ngokweqile (njengomthwalo wemishini wemoto mkhulu kakhulu) nezinye izizathu, inani lamanje liphindwe kaningi kunamanje olinganiselwe wesekethe, umphumela uba ukuthi izinga lokushisa lokusebenza kwekhebula liyadlula. inani elivumelekile, ukufakwa kwekhebula kusheshise ukuwohloka, kufinyeze impilo.Isibonelo, ezintanjeni ze-PVC, izinga lokushisa eliphezulu elivumelekile lokusebenza isikhathi eside lingu-70 ° C, futhi izinga lokushisa elivumelekile lesikhashana uma kwenzeka isifunda esifushane alidluli ku-160 ° C.
Ikhebula lingakwazi ukumelana nomthamo othile ogcwele ngokweqile isikhathi esithile, kodwa ubude besikhathi kufanele bulinganiselwe.Uma i-overload yamanje ihlala isikhathi eside kakhulu, i-insulation yekhebula izolimala, okungagcina kubangele iphutha lesifunda esifushane.Isimo sethempelesha sesendlalelo sokufakwa kwekhebula ngaphansi kwamanje ojwayelekile, umthamo wamanje ogcwele ngokweqile, kanye nomsinga wesekethe emfushane.
Ngakho-ke, Ngenani elijwayelekile lomkhiqizo we-circuit breaker, i-circuit breaker iyadingeka ukuthi ibe ngu-1.13In, umthamo wamanje wokulayishwa ngokweqile awusebenzi phakathi nehora elingu-1 (In≤63A}), futhi lapho okwamanje kuvulwa ngo-1.45In, ukulayisha ngokweqile umugqa kufanele ususwe phakathi nehora elingu-1.Ukulayisha ngokweqile kuvunyelwe ukuqhubeka ihora elingu-1 ukuze kucatshangelwe ukuqhubeka kokunikezwa kwamandla kanye nekhebula ngokwalo linomthamo othile wokulayishwa ngokweqile, alikwazi ukulayishwa kancane umugqa, i-breaker circuit izonqamula amandla, okuzothinta evamile. ukukhiqizwa kanye nempilo yabahlali.
Into yokuvikela ye-circuit breaker yikhebula.Ngaphansi kwezimo zokugcwala ngokweqile, ukugcwala ngokweqile kwesikhathi eside kuzobangela izinga lokushisa likhuphuke, okuholela ekulimaleni kongqimba lwekhebula lokufakelwa, futhi ekugcineni kube nephutha lesekethe elifushane.
Ngaphansi kwezimo zesifunda esifushane, izinga lokushisa lizokhuphuka ngesikhathi esifushane kakhulu, uma linganqunywanga ngesikhathi, lingabangela ukusha okuzenzakalelayo kwesendlalelo sokufakelwa, ukuze njengengxenye yokuvikela ye-breaker circuit, kokubili umsebenzi wokuvikela ukulayisha ngokweqile, kodwa futhi udinga isikhashana. umsebenzi wokuvikela isifunda.
Isikhathi sokuthumela: Sep-25-2023