Ama-Miniature circuit breaker (ama-MCB)ziyingxenye ebalulekile yezinhlelo zikagesi zanamuhla. Njengoba igama lisikisela, iyiswishi encane kagesi enqamula ngokuzenzakalelayo ugesi lapho kutholakala iphutha. Lesi sihloko sizohlola ukubaluleka kanye nomsebenzi wama-miniature circuit breakers ekugcineni ukuphepha kukagesi.
Enye yezinzuzo eziyinhloko zokusebenzisaama-circuit breaker amancaneyikhono lazo lokuvikela amasekethe kumasekethe angaphezu kwamandla kagesi kanye namasekethe amafushane. Lawa madivayisi aklanyelwe ukuphatha isilinganiso samandla kagesi esithile, ukuqinisekisa ukuthi amandla kagesi ageleza ngesekethe awadluli umkhawulo onqunyiwe. Uma kwenzeka ukugcwala ngokweqile noma isekethe elifushane,I-MCBukuhamba, ukuphazamisa ukuhamba kukagesi nokuvimbela noma yiziphi izingozi ezingaba khona njengokushisa ngokweqile noma imililo kagesi.
Ama-circuit breaker amancanezisetshenziswa ezinhlobonhlobo zezicelo, kusukela ezindaweni zokuhlala kuya ezindaweni zezimboni. Ekwakhiweni kwezindawo zokuhlala,Ama-MCBkuvame ukutholakala kuma-switchboard ukuvikela amasekethe ngamanye ahlinzeka ngogesi ezindaweni ezahlukene zendlu. Lokhu kwenza kube lula ukubona nokuhlukanisa amasekethe anephutha, kunciphisa ingozi yezingozi zikagesi.
Ezindaweni zezimboni, ama-miniature circuit breaker asetshenziselwa ukuvikela imishini nemishini. Lawa madivayisi awavikeli nje kuphela ama-circuit, kodwa futhi aphazamisa amandla ngesikhathi sezimo zikagesi ezingavamile, avimbele umonakalo emishinini ebizayo. Ngokubona ngokushesha nokuhlukanisa ama-circuit anephutha,Ama-MCBkusiza ukugcina ukusebenza kahle nokuvimbela isikhathi sokungasebenzi esibizayo.
Izici zokukhubeka kwama-miniature circuit breaker zidlala indima ebalulekile ekuqinisekiseni ukuphepha nokuthembeka kwezinhlelo zikagesi. Kunezinhlobo ezahlukene ze-Ama-MCBukukhetha kukho, ngayinye inejika layo lokuhamba elichaza isivinini sokuphendula ezinhlotsheni ezahlukene zamaphutha. Lokhu kwenza kube nokwenzeka ukukhetha i-MCB efanelekile ezidingweni ezithile zesekethe, kungakhathaliseki ukuthi iyi-elekthronikhi ezwela kakhulu noma injini enezimpondo zokungena.
Ngaphezu kwalokho,ama-circuit breaker amancanezinenzuzo yokuba ziphinde zisethwe kabusha, ngokungafani nama-fuse adinga ukushintshwa uma ekhubeka. Uma iphutha selilungisiwe futhi inkinga eyinhloko isixazululiwe,I-MCBIngasethwa kabusha ngesandla ngokumane uvule iswishi futhi. Lesi sici sandisa ukulula futhi sinciphise izindleko zokulungisa ngokuhamba kwesikhathi.
Esinye isici okufanele sicatshangelwe lapho kuxoxwaama-circuit breaker amancaneubukhulu bazo buncane. Ngokungafani nama-circuit breaker avamile amakhulu futhi athatha isikhala esiningi,Ama-MCBzincane futhi zingafakwa kalula ngaphakathi kwama-switchboard. Lokhu kuzenza zibe yisinqumo sokuqala lapho isikhala silinganiselwe, njengasezindlini zokuhlala noma zebhizinisi ezinamakhabethe kagesi alinganiselwe.
Ekuphetheni,ama-circuit breaker amancaneziyizingxenye ezibalulekile ekugcineni ukuphepha kukagesi ezisetshenziswayo ezahlukahlukene. Amandla azo okuvikela kuma-overcurrent kanye nama-short circuits, kanye nezici ezingasethwa kabusha kanye nosayizi omncane, kuzenza zibaluleke kakhulu ezinhlelweni zikagesi zesimanje. Kungakhathaliseki ukuthi zisekhaya, ehhovisi noma endaweni yezimboni,Ama-MCBqinisekisa ukusebenza kahle kwezifunda ngenkathi kunciphisa izingozi ezingaba khona.
Isikhathi sokuthunyelwe: Septhemba-06-2023