Kunzwisisa Kukosha kweMCCBs muMasisitimu Emagetsi
MCCB inomiririra Molded Case Circuit Breaker uye chinhu chakakosha mune chero sisitimu yemagetsi. Inoita basa rakakosha mukudzivirira masisitimu emagetsi kubva pakuwanda kwezvinhu, mashort circuits, nezvimwe zvinokanganisa zvinogona kukonzera moto wemagetsi kana kukuvara kwemidziyo. Mublog rino, tichaongorora kukosha kwemaMCCB mumasisitimu emagetsi uye kuti nei ari chikamu chakakosha chechivako chemazuva ano kana nzvimbo.
Chekutanga, maMCCB akagadzirirwa kuchengetedza masisitimu emagetsi kubva mukuwedzerwa kwesimba. Kuwedzerwa kwesimba kunoitika kana sisitimu yemagetsi iine magetsi akawanda kupfuura akagadzirirwa kubata. Izvi zvinogona kuitika nekuda kwezvikonzero zvakasiyana-siyana, zvakaita semidziyo isina kunaka, waya dzisina kunaka, kana kushandisa michina yemagetsi yakawanda panguva imwe chete. Kana kuwandisa kwesimba kukaitika, circuit breaker yekesi yakaumbwa inongoerekana yagumburwa yodzima magetsi kuti idzivirire kukuvara kwesisitimu yemagetsi.
Pamusoro pezvo, maMCCB akagadzirwa kuchengetedza masisitimu emagetsi kubva kuma "short circuits". "Short circuit" inoitika kana paine kubatana kwakaderera pakati pema "conductors" maviri anofanirwa kunge ari pa "voltage potentials" dzakasiyana. Izvi zvinogona kukonzera "power surge" inongoerekana yaitika iyo inogona kukuvadza sisitimu yemagetsi uye kukonzera moto. MCCB ine "fast action mechanism" inoona "short circuit" mukati memamiliseconds uye inodzima simba remagetsi kudzivirira chero kukuvara.
Pamusoro pekudzivirira masisitimu emagetsi kubva pakuzara kwemagetsi uye mashort circuit, ma molded case circuit breakers anoitawo basa rakakosha mukuona kuchengetedzeka kwevashandi nemidziyo. Nekudzima magetsi kana paine chikanganiso, maMCCB anodzivirira njodzi dzemoto wemagetsi uye anodzivirira midziyo kubva mukukuvadzwa. Izvi zvakakosha zvikuru munzvimbo dzekutengeserana nedzemaindasitiri uko kune michina inorema uye masisitimu emagetsi akaomarara, uye nekudaro njodzi yekukundikana kwemagetsi yakakura.
Pamusoro pezvo, MCCB yakagadzirwa kuti ive nyore kushandisa uye kugadzirisa patsva. Kana paine dambudziko, MCCB inogona kugadziriswa zviri nyore nekungodzosera switch panzvimbo yayo. Izvi zvinoita kuti zvive nyore kune vashandi vekugadzirisa kuti vaone nekukurumidza nekugadzirisa zvikanganiso pasina kukonzera nguva yakareba yekushanda kwechivako kana nzvimbo yacho.
Zvakakosha kuziva kuti kusarudza MCCB yakakodzera yekushandisa chaiyo kwakakosha pakudzivirira zvakanyanya sisitimu yemagetsi. Zvinhu zvakaita se rated current, breaking capacity uye ambient temperature zvinofanirwa kutariswa pakusarudza molded case circuit breaker. Kubvunzana ne engineer wemagetsi ane hunyanzvi kana kontrakita kunogona kubatsira kuona MCCB yakakodzera sisitimu yako yemagetsi chaiyo.
Muchidimbu, maMCCB chikamu chakakosha chechero sisitimu yemagetsi sezvo achiita basa rakakosha mukudzivirira sisitimu kubva mukuwanda kwemagetsi, mashort circuits nezvimwe zvikanganiso. Akakosha pakuona kuchengetedzeka kwevashandi nemidziyo uye kudzivirira moto wemagetsi nekukuvadzwa kwemasisitimu emagetsi. Varidzi vezvivakwa, mamaneja ezvivakwa uye makondirakiti emagetsi vanofanirwa kunzwisisa kukosha kwema "molded case circuit breakers" uye kuona kuti akaiswa uye akachengetedzwa nemazvo kuchengetedza kuchengetedzeka uye kuvimbika kwemasisitimu emagetsi.
Nguva yekutumira: Zvita-25-2023