ChiiMCCB (Molded Case Circuit Breaker)
Kuchengetedzeka kwakakosha zvikuru mundima yeinjiniya yemagetsi. Kuti uve nechokwadi chekuchengetedzwa kwemagetsi uye kudzivirira kutadza kushanda, zvakakosha kushandisa macircuit breaker akavimbika. Pakati pemhando dzakasiyana-siyana dziripo,muchina wekupwanya dunhu wekesi wakaumbwa (MCCB)Chinhu chakakosha. Chinangwa chechinyorwa chino ndechekukurukura tsananguro, misimboti yekushanda, mashandisirwo, mabhenefiti uye nzira dzinokurudzirwa dzekugadzirisa ma "molded case circuit breakers" nenzira yepamutemo kuti vajekese chigadzirwa ichi chakakosha chemagetsi.
MCCB, inozivikanwawo se molded case circuit breaker, chishandiso chemagetsi chinoshandiswa kuchengetedza masisitimu emagetsi kubva pakuzara kwemagetsi, short circuit nezvimwe zvikanganiso zvemagetsi. Kusiyana nemaminiature circuit breakers anoshandiswa munzvimbo dzekugara,MCCBsane hunyanzvi hwemagetsi hwakakwira uye nekudaro akakodzera kushandiswa mumaindasitiri nemabhizimisi. Aya macircuit breaker ane nzira yepamusoro yekuona kuyerera kwemagetsi kusina kujairika uye inomisa circuit kuchengetedza michina yakabatana.
MCCBszvinoshanda zvichienderana nepfungwa yekushanda kwe thermomagnetic uye zvakagadzirirwa kubata zvinobudirira mamiriro ekuremerwa uye mamiriro e circuit short. Zvinhu zvinopisa zvinopindura ku overcurrents inononoka, kwenguva refu, nepo zvinhu zvinopenya zvinopindura ku short circuits dzinokurumidza kusimba. Iyi nzira mbiri inoita kuti dziviriro yakavimbika kubva kuzvikanganiso zvakasiyana-siyana zvemagetsi, zvichiita kutiMCCBssarudzo yakavimbika kune mainjiniya emagetsi anoshanda pamapurojekiti akasiyana-siyana.
Nekuda kwekugadzirwa kwayo kwakasimba uye mwero wepamusoro wemagetsi,MCCBsanoshandiswa zvakanyanya mumaindasitiri akasiyana-siyana. Kubva kumafekitori emagetsi nemidziyo midiki kusvika kunzvimbo dzekugadzira nedzekutengeserana, ma "molded case circuit breakers" anoita basa rakakosha mukuona kuti magetsi haapindiki. Anogona kushandiswa kune akasiyana masisitimu emagetsi, anosanganisira mwenje, mota yekudzora, dziviriro yetransformer, switchboards, nezvimwewo, kudzivirira zvinobudirira michina nevashandi kubva kunjodzi dzemagetsi.
Chimwe chezvakanakira zvikuru zveMCCBskugona kwavo kubata mitoro yakakwira yemagetsi.MCCBsanowanzo ongororwa kubva pa10 amps kusvika kuzviuru zveamps, saka anogona kubata zvakachengeteka mitoro yemagetsi inorema inowanzo kuwanikwa munzvimbo dzemaindasitiri. Pamusoro pezvo, macircuit breaker aya anopa magadzirirwo erwendo anogadziriswa, zvichibvumira mainjiniya kugadzirisa mwero wekudzivirira zvinoenderana nezvinodiwa zvesystem yemagetsi. Kuchinjika uku kunovimbisa kushanda kwakanaka uye kunosimudzira kuchengetedzeka kwemidziyo yakabatana.
Kuti zvive nechokwadi chekuti ma "mold case circuit breakers" akavimbika kwenguva refu, kugadzirisa nguva dzose kwakakosha. Kuongorora nguva dzose nekuongorora kunokurudzirwa kuti uone chero zviratidzo zvekusakara, kubatana kwakasununguka kana kutadza kwezvikamu. Pamusoro pezvo, kutevedzera gwara rakakodzera rekuisa kwakakosha kudzivirira chero mhedzisiro yakaipa pakushanda kwe "circuit breaker". Zvakakoshawo kuchengetedza nzvimbo yakapoteredza yakachena uye isina guruva nemarara zvinogona kukanganisa mashandiro ayo. Kutevedzera maitiro aya ekugadzirisa kuchawedzera hupenyu hwe "MCCBuye kuderedza njodzi yekukundikana kwemagetsi.
Muchidimbu,muchina wekupwanya dunhu wekesi wakaumbwa (MCCB)mudziyo wemagetsi unokosha zvikuru kuti uve nechokwadi chekuti masisitimu akasiyana-siyana emagetsi anoshanda zvakachengeteka. MCCBs dzinoshandiswa zvakanyanya munzvimbo dzemaindasitiri nedzemabhizinesi nekuda kwekugona kwadzo kudzivirira kubva pakuwanda kwemagetsi, mashort circuits, nezvimwe zvinokanganisa magetsi. Kuyerwa kwayo kwepamusoro-soro kwemagetsi, magadzirirwo erwendo anogadziriswa, uye kuvimbika kunoita kuti ive yakakodzera mainjiniya ari kutsvaga dziviriro yemagetsi inoshanda uye yakachengeteka. Nekutevera nzira dzinokurudzirwa dzekugadzirisa, hupenyu hweMCCBinogona kuwedzerwa zvakanyanya, izvo zvinobatsira kuchengetedzeka uye kuvimbika kwehurongwa hwemagetsi.
Nguva yekutumira: Nyamavhuvhu-14-2023