UkuqondaUkhuseleko lwe-AFDDn: Isikhokelo Esipheleleyo
Kwihlabathi lokhuseleko lombane, ukhuseleko lwe-AFDD, okanye ukhuseleko lwe-Arc Fault Device, lube yinxalenye ebalulekileyo ekukhuseleni izakhiwo zokuhlala nezorhwebo kwimililo yombane. Njengoko ubuchwepheshe buqhubela phambili kwaye ukuthembela kwethu kwiinkqubo zombane kuqhubeka kusanda, ukuqonda ukhuseleko lwe-AFDD kubalulekile ukuqinisekisa ukhuseleko lombane kunye nokuthobela imigangatho yombane yanamhlanje.
Yintoni ukhuseleko lwe-AFDD?
Izixhobo zokukhusela ze-AFDD zenzelwe ukubona iimpazamo ze-arc kwiisekethe zombane. Iimpazamo ze-arc kukukhupha umbane okungalindelekanga okubangelwa ziintambo ezonakeleyo, uqhagamshelo olukhululekileyo, okanye iimpazamo zombane. Ukuba azinyangwa ngokukhawuleza, ezi mpazamo zinokubangela amaqondo obushushu aphezulu kwaye ziqale imililo yombane. Ii-AFDD zenzelwe ukuchonga ezi meko ziyingozi kunye nokukhupha isekethe ngaphambi kokuba kuvele umlilo.
Ukubaluleka koKhuselo lwe-AFDD
Ukubaluleka kokukhuselwa kwe-AFDD akunakugxininiswa kakhulu. Izifundo ezininzi zibonise ukuba imililo yombane ibangela ipesenti enkulu yemililo yamakhaya, nto leyo ebangela umonakalo kwipropathi, ukwenzakala, kunye nokulahlekelwa bubomi. Ngokufaka ii-AFDD kwiinkqubo zabo zombane, abanini bezindlu kunye namashishini banokunciphisa kakhulu umngcipheko wezo ziganeko.
Ii-AFDD zisebenza kakhulu kwiindawo apho iziphuli zesekethe zemveli zingaboneleli ngokhuseleko olufanelekileyo. Umzekelo, iinkqubo zocingo ezindala okanye ukufakelwa kwiindawo ezinokuguguleka zinokungenelwa kakhulu kukhuseleko olongezelelweyo olunikezelwa zii-AFDD. Ukongeza, njengoko izixhobo ezininzi ziqhagamshelwe kwinkqubo yombane, amathuba okuba kubekho iimpazamo kwi-arc ayanda, nto leyo eyenza ukhuseleko lwe-AFDD lubaluleke ngakumbi.
Indlela ukhuseleko lwe-AFDD olusebenza ngayo
Ii-AFDD zisebenza ngokujonga rhoqo umsinga ohamba kwisekethe. Zenzelwe ukufumanisa iipatheni ezithile zomsebenzi wombane ezibonisa ukuba kukho impazamo ye-arc. Xa kufunyenwe impazamo ye-arc, isixhobo siyayiqhawula ngokukhawuleza isekethe, sithintele ingozi yomlilo enokubakho.
Ii-AFDD zinokubona iintlobo ezimbini eziphambili zeempazamo ze-arc: ii-series arcs kunye nee-parallel arcs. Ii-series arcs zenzeka xa umqhubi ephuka, ngelixa ii-parallel arcs zenzeka xa kukho impazamo phakathi kwee-conductors ezimbini. Ii-AFDD ziyakwazi ukubona zombini iintlobo zeempazamo, ukuqinisekisa ukhuseleko olupheleleyo kwiinkqubo zombane.
Ukufakwa kunye nokuthobela imithetho
Iimfuneko zokufaka izixhobo zokukhusela ze-AFDD ziya zisiba nzima ngakumbi kwimimandla eyahlukeneyo, ingakumbi kulwakhiwo olutsha nokuhlaziywa. Iikhowudi ezininzi zombane, kuquka iNational Electrical Code (NEC) eMelika, ziqalile ukufuna ukufakwa kwee-AFDD kwiindawo ezithile ezineengozi eziphezulu zomlilo, njengamagumbi okulala namagumbi okuhlala.
Xa ucinga ngokhuseleko lwe-AFDD, soloko unxibelelana nosombane ofanelekileyo onokuvavanya inkqubo yakho yombane aze acebise ngezixhobo ezifanelekileyo. Ukufakelwa ngokufanelekileyo kubalulekile ukuqinisekisa ukuba i-AFDD isebenza ngokufanelekileyo kwaye inika umgangatho wokhuseleko olindelekileyo.
Kufuphi
Ngamafutshane, ukhuseleko lwe-AFDD luphawu olubalulekileyo kukhuseleko lombane lwanamhlanje. Ngokuqonda ukubaluleka kokuchongwa kweempazamo ze-arc kunye nendima yayo ekuthinteleni imililo yombane, abanini bezindlu kunye namashishini banokuthatha amanyathelo asebenzayo ukuphucula ukhuseleko lwabo. Njengoko ubuchwepheshe buqhubeka buhambela phambili, ukuhlanganisa ii-AFDD kwiinkqubo zombane kunokuba yindlela eqhelekileyo, ukuqinisekisa ukuba okusingqongileyo kukhuselekile, kuthembekile, kwaye kukhuselwe kwiingozi zeempazamo zombane. Ukutyala imali kukhuseleko lwe-AFDD kungaphezulu nje komlinganiselo wokuthobela imithetho; kukuzibophelela kukhuseleko noxolo lwengqondo kwihlabathi elikhula ngamandla ombane.
Ixesha leposi: Epreli-27-2025