Izesekeli ze-Miniature Circuit Breaker Zithuthukisa Ukuphepha nokusebenza

Oxhumana Nabo Abasizayo (OF) basebenza njengezinkomba zesimo esibalulekile nezinikezi amandla zokulawula. Ixhunywe ngomshini ku- I-MCBIndlela yokusebenza, ihlinzeka ngesignali kagesi ethembekile ebonisa isimo sesiphakeli esivulekile (OFF) noma sivaliwe (VULIWE). Lolu lwazi lubalulekile kumaphaneli okuqapha akude, amasistimu e-SCADA, noma amasekhethi axhumene, okuvumela opharetha ukuthi baqinisekise isimo sesekhethi ngaphandle kokuhlolwa ngokomzimba. I-OF contact iqinisekisa ukuthi ukulandelana kokulawula okuncike endaweni yomephula umthetho kwenziwa ngokunembile nangokuphephile.

Ngokufanayo, i-Alarm Contact (SD) inikeza isaziso esibucayi semicimbi ethile. Isebenza ngokuzimela Kokuthintana Nomsizi, ngokuvamile ishintsha isimo kuphela lapho I-Miniature Circuit Breaker ukuhamba ngokuzenzakalela ngenxa yokugcwala ngokweqile noma iphutha lesekethe emfishane. Lesi signali ehlukile ibalulekile ekuhlonzweni kwephutha ngokushesha, ama-alamu acuphayo, noma amasistimu okugawula ukuze axwayise abasebenzi bokunakekela ukuthi kunqamuke ukuxhumana okuzenzakalelayo, okuvumela ukuphendula okusheshayo nokunciphisa isikhathi sokuphumula. Igcwalisa umsebenzi wokuvikela oyinhloko ngolwazi olubalulekile lokuxilonga.

Insiza ye-Shunt Trip (MX) yethula amandla okulawula okukude anamandla. Le divayisi esebenza nge-solenoid ivumela i I-Miniature Circuit Breaker ukuze ivulwe (iqhuzulwe) ukude ngesignali kagesi, ngaphandle kokuba khona kwesimo esidlulele noma esifushane. Lokhu kubalulekile ekusebenziseni imisebenzi yokumisa izimo eziphuthumayo, ukuhlanganiswa kwesistimu ye-alamu yomlilo (lapho amasekhethi adinga ukukhishwa kwamandla okusheshayo), noma ukunqanyulwa kwesilawuli kude ngezinjongo zokunakekela. Iyunithi ye-MX inikeza ungqimba olubalulekile lokulawula ukusebenza nokungenelela kokuphepha.

Izinsiza ze-OF (Axiliary Contact), i-SD (Alarm Contact), kanye ne-MX (Shunt Trip) ziphakamisa kakhulu ukusetshenziswa kanye nephrofayili yokuphepha yama-MCB ajwayelekile. Ngokulungiselela ukuqapha isimo esikude, ukuhlinzeka ngesibonakaliso sephutha ngokushesha, kanye nokuvumela ukuhamba kude, kuguqula okuyisisekelo. I-Miniature Circuit Breaker ibe ingxenye ehlakaniphe kakhulu futhi esabelayo ngaphakathi kwamasistimu kagesi ayinkimbinkimbi. Ukuhlanganiswa kwazo kuqinisekisa ukuthi amasistimu kagesi asebenza kahle kuphela kodwa ngokuphepha nokulawula okuthuthukisiwe, kunciphisa izingozi ezihlobene nokugcwala ngokweqile, amasekhethi amafushane, nobungozi bokusebenza kuzo zonke izinhlelo zokusebenza ezihlukahlukene.