Ukuqonda Ukubaluleka Kwama-MCCB Ezinhlelweni Zikagesi
I-MCCB imele i-Molded Case Circuit Breaker futhi iyisici esibalulekile kunoma yiluphi uhlelo lukagesi. Idlala indima ebalulekile ekuvikeleni izinhlelo zikagesi ekugcwaleni ngokweqile, amasekethe amafushane, kanye namanye amaphutha angaholela emlilweni kagesi noma ekulimaleni kwemishini. Kule bhulogi, sizohlola ukubaluleka kwama-MCCB ezinhlelweni zikagesi nokuthi kungani eyingxenye ebalulekile yanoma yisiphi isakhiwo noma isikhungo sesimanje.
Okokuqala, ama-MCCB aklanyelwe ukuvikela izinhlelo zikagesi ekuthwaleni ngokweqile. Ukulayisha ngokweqile kwenzeka lapho uhlelo lukagesi luphethe amandla amaningi kunalokho oluklanyelwe ukukuphatha. Lokhu kungenzeka ngezizathu ezahlukahlukene, njengemishini enephutha, izintambo ezingasebenzi kahle, noma ukusebenzisa amadivayisi amaningi kagesi ngesikhathi esisodwa. Uma kwenzeka ukulayisha ngokweqile, i-molded case circuit breaker izokhubeka ngokuzenzakalelayo futhi inqamule ukunikezwa kwamandla ukuze kuvinjelwe umonakalo ohlelweni lukagesi.
Ngaphezu kwalokho, ama-MCCB aklanyelwe ukuvikela izinhlelo zikagesi kuma-short circuits. I-short circuit yenzeka lapho kunokuxhumana okuphansi kokumelana phakathi kwama-conductor amabili okufanele abe ngama-voltage potential ahlukene. Lokhu kungabangela ukwanda kwamandla okungazelelwe okungalimaza uhlelo lukagesi futhi kubangele umlilo. I-MCCB ifakwe indlela yokusebenza okusheshayo ethola i-short circuit ngaphakathi kwama-millisecond futhi inqamule ukunikezwa kwamandla ukuvimbela noma yimuphi umonakalo.
Ngaphezu kokuvikela izinhlelo zikagesi ekugcwaleni ngokweqile kanye nasezindaweni ezimfushane, ama-molded case circuit breakers nawo adlala indima ebalulekile ekuqinisekiseni ukuphepha kwabasebenzi kanye nemishini. Ngokunqamula ugesi uma kwenzeka iphutha, ama-MCCB avimbela izingozi zomlilo kagesi futhi avikele imishini ekulimaleni. Lokhu kubaluleke kakhulu ezindaweni zezentengiselwano nezimboni lapho kukhona imishini esindayo kanye nezinhlelo zikagesi eziyinkimbinkimbi, ngakho-ke ingozi yokwehluleka kukagesi iphakeme.
Ngaphezu kwalokho, i-MCCB yakhelwe ukuba kube lula ukuyisebenzisa nokuyisetha kabusha. Uma kwenzeka uhambo, i-MCCB ingasethwa kabusha kalula ngokumane uphendule iswishi ibuyele endaweni yokusebenza. Lokhu kwenza kube lula ngabasebenzi bokulungisa ukubona nokulungisa amaphutha ngokushesha ngaphandle kokubangela ukungasebenzi isikhathi eside ekusebenzeni kwesakhiwo noma kwesakhiwo.
Kubalulekile ukuqaphela ukuthi ukukhetha i-MCCB efanele yokusetshenziswa okuthile kubalulekile ekuqinisekiseni ukuvikelwa okuhle kakhulu kohlelo lukagesi. Izici ezifana nomthamo wamanje olinganiselwe, amandla okuphuka kanye nokushisa kwe-ambient kufanele kucatshangelwe lapho kukhethwa i-molded case circuit breaker. Ukubonisana nonjiniyela kagesi oqeqeshiwe noma unkontileka kungasiza ekunqumeni i-MCCB efanele yohlelo lwakho lukagesi oluthile.
Ngamafuphi, ama-MCCB ayingxenye ebalulekile yanoma yiluphi uhlelo lukagesi njengoba edlala indima ebalulekile ekuvikeleni uhlelo ekugcwaleni ngokweqile, amasekethe amafushane kanye namanye amaphutha. Abalulekile ekuqinisekiseni ukuphepha kwabasebenzi kanye nemishini kanye nokuvimbela imililo kagesi kanye nomonakalo ezinhlelweni zikagesi. Abanikazi bezakhiwo, abaphathi bezikhungo kanye nabakhi bezokwakha kagesi kumele baqonde ukubaluleka kwama-molded case circuit breakers futhi baqinisekise ukuthi afakiwe futhi anakekelwa kahle ukuze kugcinwe ukuphepha nokuthembeka kwezinhlelo zikagesi.
Isikhathi sokuthunyelwe: Disemba-25-2023