Iintlobo zomphuli wesekethe yetyala elibunjiweyo
Ii-Molded case circuit breakers (ii-MCCB) zizinto ezibalulekileyo kwiinkqubo zombane ukukhusela kwiingxaki zombane kunye nee-short circuits. Zenzelwe ukuphazamisa ukuhamba kombane xa kukho impazamo, ukuqinisekisa ukhuseleko lwezixhobo kunye nabasebenzi. Ukuqonda iintlobo ngeentlobo zee-molded case circuit breakers kubalulekile ekukhetheni eyona ifanelekileyo kwisicelo esithile. Eli nqaku liza kuhlola iintlobo ezahlukeneyo zee-MCCBs, iimpawu zazo, kunye nokusetyenziswa kwazo.
1. Umqhekezi wesekethe wetyala elibunjiweyo eliqhelekileyo
IiMCCB ezisemgangathweni zezona zixhaphakileyo ezifumaneka kwiindawo zokuhlala, zorhwebo, kunye nezoshishino. Zenzelwe ukukhusela iisekethe kwimithwalo emininzi kunye neesekethe ezimfutshane. Ezi breakers zihlala zinezicwangciso zokuhamba ezihlengahlengiswayo, ezivumela umsebenzisi ukuba enze ngokwezifiso umgangatho wokhuseleko ngokusekelwe kwiimfuno ezithile zenkqubo yombane. IiMCCB ezisemgangathweni ziyafumaneka kwiindidi ezahlukeneyo zangoku ukuze zilungele iimfuno ezahlukeneyo zesicelo.
2. Isixhobo sokwaphula isekethe esibunjiweyo se-elektroniki
Ii-MCCB ze-elektroniki zisebenzisa ubuchwepheshe obuphambili ukubonelela ngeempawu zokhuseleko eziphuculweyo. Ngokungafaniyo nee-MCCB eziqhelekileyo ezixhomekeke kwiindlela zobushushu kunye nemagnethi ukuze zikhubeke, ii-MCCB ze-elektroniki zisebenzisa ubuchwepheshe obusekelwe kwi-microprocessor. Oku kuvumela useto oluchanekileyo lokuhamba kunye nezinye iimpawu ezongezelelweyo ezifana nokukhusela iimpazamo zomhlaba, ukufunyanwa kokusilela kwesigaba, kunye nokukwazi ukunxibelelana. Ii-MCCB ze-elektroniki zilungele usetyenziso olusebenzisa izixhobo ezinobuthathaka kuba zinciphisa umngcipheko wokukhubeka.
3. Isixhobo sokwaphula isekethe esibunjiweyo se-hydraulic electromagnetic
Ii-MCCB ze-hydraulic electromagnetic zisebenzisa indlela ye-hydraulic ukubona ukugqithisa kunye neesekethe ezimfutshane. Ezaziwa ngokuthembeka kwazo kunye nokukwazi kwazo ukusingatha imisinga ephezulu yokungena, olu hlobo lwe-circuit breaker lufanelekile ukusetyenziswa kwizicelo zeemoto kunye neetransformer. Indlela ye-hydraulic inesici sokulibaziseka kwexesha esivumela isekethe ukuba imelane nokugqithisa okwethutyana ngaphandle kokukhubeka. Olu phawu luluncedo ngakumbi kwiindawo zoshishino apho izixhobo zinokuhlangabezana nokunyuka kombane okufutshane.
4. I-case molded circuit breaker enemisebenzi emibini
Ii-MCCB ezisebenza ngeendlela ezimbini zidibanisa ukusebenza kwee-circuit breakers ezisemgangathweni neze-elektroniki. Zibonelela ngokhuseleko lwendabuko lwe-thermal-magnetic kunye ne-electronic trip sets. Olu tshintsho lwenza abasebenzisi bakwazi ukuxhamla kukuthembeka kokhuseleko lwe-thermal-magnetic ngelixa benokukhetha iimpawu eziphambili ezifana nokhuseleko lwe-ground-fault. Ii-MCCB ezisebenza ngeendlela ezimbini zifanelekile kwizicelo ezifuna zombini ukhuseleko oluqhelekileyo kunye neempawu zokhuseleko ezongezelelweyo.
5. Isixhobo sokwaphula iisekethe esikhethekileyo esibunjiweyo
IiMCCB ezikhethekileyo zenzelwe ukusetyenziswa okanye iindawo ezithile. Ezi zixhobo zokwaphula iisekethe zinokubandakanya izinto ezifana neendawo ezivalekileyo ezingasetyenziswa ngaphandle, ukufakelwa kobushushu obuqinisiweyo kwiindlela zokusetyenziswa kwe-voltage ephezulu, okanye iimpawu ezithile zokukhubeka kwiinkqubo ezizodwa zoshishino. IiMCCB ezikhethekileyo zihlala zenziwe ngokwezifiso ukuhlangabezana neemfuno ezizodwa zoshishino oluthile, ezifana neoyile negesi, ukumbiwa kwemigodi, okanye amandla avuselelekayo.
Kufuphi
Iziphuli zesekethe zetyala ezibunjiweyo zibalulekile ekukhuseleni iinkqubo zombane kwiziphene nasekuqinisekiseni ukusebenza ngokukhuselekileyo. Ukuqonda iintlobo ezahlukeneyo zeziphuli zesekethe zetyala ezibunjiweyo (eziqhelekileyo, ze-elektroniki, ze-hydraulic-magnetic, ze-dual-function, kunye nezobuchwephesha) kuvumela abasebenzisi ukuba bakhethe isiphuli sesekethe esifanelekileyo kwiimfuno zabo ezithile. Njengoko ubuchwepheshe buqhubeka buhambela phambili, amandla eziphuli zesekethe zetyala ezibunjiweyo nawo ayatshintsha, ebonelela ngokhuseleko oluphuculweyo kunye nokuthembeka kwiintlobo ngeentlobo zezicelo. Nokuba kukusetyenziswa kwezindlu, kwezorhwebo, okanye kwezoshishino, ukukhetha isiphuli sesekethe setyala esibunjiweyo esifanelekileyo kubalulekile ekugcineni inkqubo yombane ekhuselekileyo nesebenzayo.
Ixesha leposi: Matshi-24-2025