I-DC Circuit Breaker kunye neFuse, eyizixhobo zokukhusela eziphambili

Iingcali zombane ezininzi zicinga ukuba iifusi zizixhobo zokukhusela ezindala, ngelixa ii-DC circuit breakers zizixhobo zokukhusela eziphambili. Ingaba le ngcamango ichanekile?

Kuyabonakala ukuba ijika lotshintsho lweempawu zexesha-langoku lefusi lisondele kwijika lohlalutyo lweempawu zekhono lokufunda lokunyamezela kobushushu lesekethe yokusebenza ekhuselweyo, nto leyo ebonisa ukuba inesiphumo esingcono sokukhusela ukugqithiswa kwempahla, kodwa ukusetyenziswa kwayo akulunganga njenge-DC circuit breaker. Ukuba i-DC circuit breaker iyawa ngenxa yoxinzelelo lwempahla, ingavalwa ukuze inike amandla emva kokusombulula ingxaki, nto leyo elula kakhulu kwaye ilula. Ifusi kufuneka itshintshwe ngexesha ngeenkcukacha ezifanayo zefusi, nto leyo efunekayo ukubonelela ngeendidi ezahlukeneyo zeendawo ezingasetyenziswayo ezineenkcukacha ezahlukeneyo, nto leyo ebangela ingxaki enkulu kumsebenzisi.

Iingcingo zefuse nazo kufuneka ziqwalaselwe ngakumbi. Umzekelo, isiphelo esiphakathi sefuse yesikrufu kufuneka siqhagamshelwe kwicala lombane, kwaye isiphelo sesikrufu kufuneka siqhagamshelwe kwicala lomthwalo. Ngaphandle koko, kulula ukubangela ingozi yombane xa ifuse itshintshwe.

Nangona kunjalo, okwangoku, kuyilo lokusingqongileyo lwelizwe lethu, amanye amashishini emveliso yefektri, izakhiwo zeeofisi kunye nezinye iinkqubo zokusasazwa kwamandla ezilawulwa ziingcali zoomatshini abasebenza ngokuzenzekelayo (abasebenzi be-BA4 kunye ne-BA5, jonga iSihlomelo C) ngokusisiseko zisebenzisa ii-DC circuit breakers. Bambalwa abantu abafuna ukusebenzisa ii-fuses, kodwa kwamanye amazwe aphuhlileyo kwezoqoqosho, ukusetyenziswa kwezi ntlobo zimbini zezixhobo zombane kumalunga nesiqingatha.

Njengoko sonke sisazi, ixabiso le-DC circuit breaker liphezulu kakhulu kumthamo omkhulu womgca oyintloko, ngelixa i-fuse enomlinganiselo wamandla ongaphantsi kwama-30 inokunqumla ngokulula umbane we-short-circuit weekhilomitha ezingama-50, kwaye iindleko zokutshintsha i-fuse zincinci kakhulu. Ukongeza, emva kokucima i-DC circuit breaker, umthamo wokuvimba wee-contacts awutshintshi emva kokutshintsha nge-spare entsha. Kule meko, kuya kuba ngcono ukusika umbane we-short circuit nge-fuse.

Ukongeza, xa umahluko wenqanaba langoku lefusi nganye ngokwemigangatho yemveliso (oko kukuthi, umsinga ongadibaniyo we-If yi-1.25in, kwaye umsinga odibanisiweyo we-If yi-1.6in) uphindwe kayi-1.6, umgangatho wemveliso ucacisa onke amanqanaba eefusi. Ukukhetha kwayo kunokuqinisekiswa xa kusetyenziswa njengokhuseleko lokugqithisa, kodwa kunzima ukufikelela kwi-DC circuit breakers. Ngamanye amazwi, iifusi zinokukhetha okungcono phakathi kwamanqanaba okhuseleko lokugqithisa, okunokunciphisa umphezulu wokusilela kwamandla ngexesha lokukhusela ukugqithisa.