Ukuqondaama-circuit breaker asele anokuvikelwa kokudlula komkhawulo wamandla
Emkhakheni wokuphepha kukagesi, ama-residual current circuit breakers (ama-RCBO) anokuvikelwa kokushisa okuphezulu angamadivayisi abalulekile okuvikela abantu nempahla ezingozini zikagesi. Lesi sihloko sihlola imisebenzi, izinzuzo kanye nokusetshenziswa kwama-RCBO ngokujulile, sigcizelela ukubaluleka kwawo ezinhlelweni zikagesi zanamuhla.
Kuyini i-RCBO?
I-RCBO iyithuluzi elivikelayo elihlanganisa ukusebenza kwedivayisi yamanje eseleyo (i-RCD) kanye ne-miniature circuit breaker (i-MCB). Yakhelwe ukuthola nokuphazamisa amaphutha kagesi abangelwa yimisinga yokuvuza komhlaba, kanye nokuvikela ezimweni zomsinga ongaphezu kwamandla njengokulayisha ngokweqile kanye namasekethe amafushane. Lokhu kusebenza okubili kwenza i-RCBO ibe yingxenye ebalulekile ekufakweni kukagesi kwezindlu, kwezentengiselwano, kanye nezimboni.
Isebenza kanjani i-RCBO?
Ukusebenza kwe-RCBO kusekelwe ezimisweni ezimbili eziyinhloko: ukutholwa kwamanje asele kanye nokuvikelwa kwamanje okweqile.
1. Ukutholwa Kwamanje Okusele: I-RCBO iqapha njalo ugesi ogeleza ngezintambo ezibukhoma nezingathathi hlangothi. Ngaphansi kwezimo ezijwayelekile, ugesi kuzo zombili izintambo kufanele ulingane. Kodwa-ke, uma kwenzeka iphutha, njengokuthi umuntu uthinte ngengozi ugesi ophilayo noma umshini wokusebenza wonakele, ugesi othile ungase uvuze phansi. I-RCBO ibona lokhu kungalingani bese ikhubeka, inqamule ugesi ukuze ivimbele ingozi yokushaqeka kukagesi noma umlilo.
2. Ukuvikelwa kokushisa ngokweqile: Ngaphezu kokuqapha ugesi osele, ama-RCBO avikela nezimo zokushisa ngokweqile. Uma ugesi udlula umkhawulo onqunyiwe ngenxa yokugcwala ngokweqile (amadivayisi amaningi kakhulu adonsa amandla) noma i-short circuit (izintambo ezibukhoma nezingathathi hlangothi zixhunywe ngqo), i-RCBO izokhubeka, iphule ugesi futhi ivikele izintambo nezinto zikagesi ekulimaleni okungenzeka.
Izinzuzo zokusebenzisa i-RCBO
Ukuhlanganisa ukusebenza kwe-RCD kanye ne-MCB kudivayisi eyodwa kunezinzuzo eziningana:
- Ukuphepha Okuthuthukisiwe: Ngokuhlinzeka ngokuvuza kanye nokuvikelwa kokushisa ngokweqile, i-RCBO inciphisa kakhulu ingozi yokushaqeka kukagesi kanye nomlilo, iqinisekisa indawo ephephile yabahlali.
- Ukonga isikhala: Njengoba i-RCBO ihlanganisa imisebenzi emibili yokuvikela, ithatha isikhala esincane ebhodini lokushintsha kunokusebenzisa ama-RCD nama-MCB ahlukene. Lokhu kuwusizo kakhulu ekufakweni lapho isikhala silinganiselwe khona.
- Ukulungiswa Okulula: Njengoba kunemishini embalwa yokuqapha nokunakekela, ubunzima besistimu kagesi buyancishiswa. Lokhu kungabangela izindleko zokulungisa eziphansi kanye nokuxazulula izinkinga okulula.
- Ukukhetha Okuthile: Ama-RCBO angafakwa ngendlela evumela ukukhetha okuthile okuthile okuthile okuthile okuthile, okusho ukuthi uma kwenzeka iphutha, isekethe ethintekile kuphela ezonqanyulwa. Lokhu kunciphisa ukuphazamiseka ohlelweni lukagesi lonke.
Ukusetshenziswa kwe-RCBO
Ama-RCBO ayasebenziseka ngezindlela eziningi futhi angasetshenziswa ezinhlotsheni ezahlukene zokusebenza, okuhlanganisa:
- Izakhiwo Zokuhlala: Ezakhiweni zokuhlala, ama-RCBO avikela amasekethe ahlinzeka ngogesi ezindaweni ezibalulekile njengekhishi nezindlu zangasese, lapho ingozi yokushaqeka kukagesi iphezulu khona.
- Izindawo Zokuhweba: Izindawo zamahhovisi nezindawo zokuthengisa zingazuza ku-RCBO njengoba iqinisekisa ukuphepha kwabasebenzi namakhasimende ngenkathi ivikela imishini kagesi ebucayi.
- Indawo Yezimboni: Emafektri nasezindaweni zokusebenzela, ama-RCBO avikela imishini nemishini emaphutheni kagesi, ngaleyo ndlela athuthukise ukusebenza kahle kanye nokuphepha.
Ngokufigqiwe
Ama-residual current breakers anokuvikelwa kwe-overcurrent ayithuluzi elibalulekile ezinhlelweni zikagesi zanamuhla. Ngokuhlanganisa imisebenzi yokuvikela yama-RCD nama-MCB, ama-RCBO angathuthukisa ukuphepha, athuthukise ukusebenza kahle kwesikhala, futhi enze kube lula ukugcinwa. Njengoba amazinga okuphepha kagesi eqhubeka nokuguquka, ukwamukelwa kwama-RCBO cishe kuzokwanda, okwenza abe yingxenye ebalulekile ekuvikeleni impilo kanye nempahla ezingozini zikagesi.
Isikhathi sokuthunyelwe: Disemba 12-2024