IiMinimable Circuit Breakers: Ukuqinisekisa uKhuseleko loMbane
Kwihlabathi lanamhlanje, umbane ube yinxalenye ebalulekileyo yobomi bethu bemihla ngemihla. Ukususela ekunikezeni amandla emakhaya nakwiiofisi zethu ukuya ekusebenziseni izixhobo zethu kunye nezixhobo, umbane udlala indima ebalulekileyo ekusivumeleni ukuba senze imisebenzi yemihla ngemihla ngokufanelekileyo. Nangona kunjalo, xa sijongana nokufakelwa kombane kunye nezixhobo, ukhuseleko lubaluleke kakhulu.Iziphuli zesekethe ezincinci (ii-MCB)zezinye zezinto ezibalulekileyo ezisigcina sikhuselekile.
Aiqhekeza lesekethe elincinci, njengoko igama lisitsho, sisixhobo esincinci esisetyenziselwa ukukhusela iisekethe zombane kwimithwalo engaphezulu kunye neesekethe ezimfutshane. Sisebenza njengeswitshi ezenzekelayo, siphazamisa ukuhamba kwamandla xa kufunyenwe impazamo, ngaloo ndlela sithintela umonakalo ongakumbi kwisekethe kunye neengozi ezinokubakho ezifana nemililo yombane.
Umsebenzi ophambili weiziphuli zesekethe ezincincikukubonelela ngokhuseleko oluthembekileyo lombane ogqithisileyo. Iqulathe indlela yokuhamba eqhutywa xa kukho umthwalo omninzi okanye i-short circuit. Indlela yokuhamba yenzelwe ukuphendula kwixabiso elithile langoku, nto leyo ebangela ukuba i-miniature circuit breaker ikhubeke ngexesha ize ivule i-circuit. Oku kuthintela ngokufanelekileyo ukuhamba kombane ogqithisileyo, kunciphisa umngcipheko womlilo kunye nokutshayiswa ngumbane.
I-MCBikwanazo neengenelo zokuba lula nokuba lula. Ngokungafaniyo neefusi zemveli ezifuna ukutshintshwa emva kokuba kwenzeke impazamo,iziphuli zesekethe ezincinciingaphinda isetyenziswe ngokulula emva kokukhubeka. Oku kususa imfuneko yokutshintsha izinto rhoqo, nto leyo enceda ukonga ixesha nomgudu. Ukongeza,Ii-MCBziyafumaneka kwiindidi ezahlukeneyo zangoku kwaye zinokulungiswa ngokweemfuno ezithile zesekethe. Oku kuguquguquka kuqinisekisa ukhuseleko olufanelekileyo kwiisetingi ezahlukeneyo zombane.
Ngaphezu koko,iziphuli zesekethe ezincincizenzelwe ukuba zibe novelwano kutshintsho lobushushu. Olu phawu luzinceda ziphendule ngokukhawuleza xa kushushu kakhulu ngenxa yokuhamba kakhulu kwamandla ombane. Ngokuphazamisa isekethe yombane,I-MCBkuthintela ukwakheka kobushushu obungakumbi obunokubangela umlilo. Olu phawu lubonisa ukubaluleka kokusebenzisa ii-MCB kwiindawo zokuhlala, zorhwebo kunye nezoshishino apho iinkqubo zombane zisetyenziswa rhoqo kwaye zinzima.
Ukufakaiziphuli zesekethe ezincinciInika iingenelo ezininzi kuneenkqubo zokukhusela umbane eziqhelekileyo. Inzuzo ebalulekileyo ngumsebenzi wokulungelelanisa uhambo olukhethiweyo. Olu phawu luvumela i-MCB ukuba ihambelane nezinye izixhobo zokukhusela kwisekethe, iqinisekisa ukuba kuphela icandelo elineempazamo elihlukanisiweyo ngelixa lonke inkqubo lihlala lisebenza. Olu lungelelwaniso olukhethiweyo lunceda ekuchongeni icandelo elineempazamo, okuvumela ukubuyiselwa kwamandla ngokulula nangokukhawuleza.
Enye inzuzo yee-miniature circuit breakers kukuyilwa kwazo okuncinci nokonga indawo. Ezi zixhobo zincinci zithatha indawo encinci kwi-switchboard okanye kwi-switchboard, zishiya indawo eninzi kwezinye izinto zenkqubo yombane. Ke ngoko, ii-miniature circuit breakers zisetyenziswa kakhulu kwiindawo apho indawo incinci khona, njengeendawo zokuhlala kunye nezakhiwo zoshishino ezincinci.
Ukukhetha uhlobo oluchanekileyoiqhekeza lesekethe elincinciKubalulekile ukuba isicelo esithile sibe luncedo.Ii-MCBziyafumaneka, nganye yenzelwe inqanaba elithile langoku kunye nokusebenza. Iintlobo eziqhelekileyo ziquka Uhlobo B, Uhlobo C, kunye noHlobo DIi-MCB, nganye ichaza inqanaba eliphezulu lamandla anokuliphatha ngaphambi kokuba liwe. Ke ngoko, ukuqonda iimfuno zomthwalo wombane kunye nohlobo lwezixhobo eziqhagamshelweyo kubalulekile ekukhetheni i-MCB efanelekileyo.
Kufuphi,iziphuli zesekethe ezincincizibaluleke kakhulu ukuqinisekisa ukhuseleko lombane kubomi bethu bemihla ngemihla. Uyilo lwayo oluncinci, ukuphathwa lula kunye nokugqithisa okuthembekileyo kunye nokukhuselwa kwesekethe emfutshane kuyenza ibe yinxalenye ebalulekileyo kuyo nayiphi na inkqubo yombane. Ngokuphazamisa iisekethe zombane ngexesha elifanelekileyo, ii-miniature circuit breakers zithintela iimeko ezinokuba yingozi ezifana nemililo yombane kwaye zinciphise umngcipheko wokutshayiswa ngumbane. Ukugxininisa ukubaluleka kokhuseleko, kubalulekile ukufaka nokugcina ii-miniature circuit breakers kuzo zonke izixhobo zethu zombane ukuqinisekisa impilo-ntle yethu kunye neyabantu esibathandayo.
Ixesha lokuthumela: Agasti-23-2023