Isihloko: Ukuqonda Ukubaluleka kweIziphuli zeSekethe zokuVuthela ukuVuthela koMhlaba
yazisa
Kwihlabathi lanamhlanje apho ukhuseleko lombane lubaluleke kakhulu,ii-residual current breakers (ii-RCCB)zidlala indima ebalulekileyo ekukhuseleni ukhuseleko lobomi babantu kunye nempahla. Nangona abaninzi besenokungaqhelananga neli gama,Ii-RCCBziyinxalenye ebalulekileyo yayo nayiphi na inkqubo yombane. Eli nqaku lijolise ekucaciseni ukubaluleka kwee-residual current breakers, umsebenzi wazo kunye neengenelo zazo ekukhuseleni ukufakelwa kombane.
Isiqendu 1: Yintoni i-i-earth leak circuit breaker?
I-residual current breaker, ebizwa ngokuba yi-I-RCCB, sisixhobo sombane esenzelwe ukukhusela abantu kunye nokufakelwa kombane kwingozi yombane kunye neengozi zomlilo ezibangelwa kukuvuza kombane. Ngamafutshane, iI-RCCBIjonga umbane kwisekethe ize iphazamise isekethe ukuba ibona ukungalingani kombane. Oku kungalingani kunokubangelwa yimisinga yokuvuza, iimpazamo zokufakelwa kombane, okanye ukudibana ngqo nee-live conductors.
Isiqendu 2: Isebenza njaniumsebenzi wokwaphula isekethe yokuvuza komhlaba?
Ii-leakage current breakers zixhotyiswe ngee-transformers zamandla ezibuthathaka ezilinganisa rhoqo umbane ngokusebenzisa ii-live kunye nee-neutral conductors. Nanini na xa kukho umahluko phakathi kombane ongenayo kunye nombane obuyayo, oko kubonisa ukuvuza okanye impazamo.I-RCCBibona oku kungangqinelani kwaye ngokukhawuleza iphazamise isekethe, inqumle umbane ukuthintela umonakalo ongakumbi.
Isiqendu sesithathu: iingenelo ze-leaking circuit breakers
Ukufaka i-earth leakage circuit breaker kuneenzuzo ezininzi ngokubhekiselele kukhuseleko kunye nokhuseleko. Okokuqala, zinokunciphisa kakhulu umngcipheko wokutshayiswa ngumbane ngokufumanisa ukungalingani okuncinci kwi-circuit kunye nokuphazamisa umbane ngexesha. Okwesibini,Ii-RCCBzibalulekile ekukhuseleni kwimililo ebangelwa ziimpazamo zombane, njengoko zisabela ngokukhawuleza kwimisinga yombane engahambelaniyo, nto leyo enciphisa amathuba okuba kushushu kakhulu kwaye kuqhekeke.
Ukongeza, iziphuli-mbane ezivuzayo zinokuwuqhawula ngokukhawuleza umbane xa kukho ukuvuza okanye ukungasebenzi kakuhle, nto leyo enika ukhuseleko olongezelelekileyo kwizixhobo kunye nezixhobo. Ngokwenza njalo, izixhobo ezixabisekileyo zinokukhuseleka kumonakalo onokubakho, nto leyo ekhokelela ekongeni iindleko kunye nobomi obude.
Isiqendu 4: Iintlobo zee-earth leakage circuit breakers
Kukho iintlobo ezimbini eziphambili zeIi-RCCB: Uhlobo lwe-AC kunye nohlobo lwe-A. Ii-RCCB zohlobo lwe-AC zihlala zisetyenziswa kwiindawo zokuhlala ukubonelela ngokhuseleko kwi-sinusoidal alternating currents. Ezi RCCB zilungele ukukhusela kwimithombo eqhelekileyo yokuvuza efana nokungasebenzisi kakuhle intambo, iingcingo ezonakeleyo, kunye nokusilela kwezixhobo.
Kwelinye icala, ii-RCCB zohlobo A ziphucuke ngakumbi kwaye zibonelela ngokhuseleko olongezelelweyo ngokufaka umsinga otshintshanayo kunye nomsinga othe ngqo oshukumayo (DC). Ezi RCCB zihlala zifakelwa kwizicelo zobungcali ezifana nezibhedlele, iindawo zoshishino kunye nalapho kusetyenziswa khona izixhobo ze-elektroniki ezinobuthathaka ngakumbi. Ii-RCCB zohlobo A ziqinisekisa ukhuseleko olupheleleyo kwiimpazamo ze-AC kunye ne-DC ngaphandle kwendawo yokujongana.
Isiqendu 5: Ukubaluleka kokusetyenziswa rhoqoI-RCCBuvavanyo kunye nokugcinwa
Nangona ii-residual current breakers zibalulekile ngokungathandabuzekiyo kukhuseleko lombane, kubalulekile nokuqonda ukubaluleka kovavanyo nokugcinwa rhoqo. Njengaso nasiphi na esinye isixhobo sombane,Ii-RCCBukuguga ngokuhamba kwexesha, nto leyo enciphisa ukusebenza kwazo okanye ide ingasebenzi. Ke ngoko, kufuneka kucwangciswe uvavanyo kunye nokugcinwa kwazo rhoqo ukuqinisekisa ukubaI-RCCBisebenza kakuhle kwaye ithintela naziphi na iingozi zombane ezinokubakho.
Isiqendu 6: Isiphelo
Ukuqukumbela, ii-residual current breakers ziyinxalenye ebalulekileyo yeenkqubo zombane zanamhlanje, zibonelela ngokhuseleko olubalulekileyo kwi-electrical shock kunye neengozi zomlilo. I-RCCB inokubona ukungalingani kwamanje kwaye iphazamise i-circuit ngexesha, nto leyo enokuphucula kakhulu ukhuseleko lokusetyenziswa kombane kwaye ikhusele ubomi kunye nepropathi. Ngokutyala imali kwi-RCCBs ezikumgangatho ophezulu, ukukhetha uhlobo oluchanekileyo lwesicelo ngasinye, kunye nokwenza uvavanyo kunye nokugcinwa rhoqo, sonke singadala imeko-bume yombane ekhuselekileyo kuthi nakwizizukulwana ezizayo.
Ixesha lokuthumela: Julayi-06-2023