Madiki madiki edunhu: mhinduro diki yekuchengetedza magetsi
Munyaya dzekuchengetedzwa kwemagetsi,madiki ecircuit breakers (MCBs)zvave mhinduro diki uye inoshanda yekudzivirira macircuit kubva pakuwanda kwemagetsi uye ma short circuit. Midziyo iyi yakavimbika zvikuru inozivikanwa nekukwanisa kwayo kuona kuti magetsi anofamba zvakanaka, pasina kukanganiswa uku ichivandudza matanho ekuchengetedza. Muchinyorwa chino, tichanyatsoongorora maficha nemabhenefiti ema miniature circuit breakers.
Chinopwanya dunhu diki chishandiso chemagetsi chakagadzirwa kuti chishande sechinochinja otomatiki kana paine kuwanda kwemagetsi kana kuti short circuit. Chinoshanda senzira yekuchengetedza, chinodzivirira kukuvara kwemidziyo yemagetsi kana njodzi dzemoto nekuona magetsi akawandisa uye nekukasika kukanganisa dunhu.
Chimwe chezvakanakira zvikuru zvema "miniature circuit breakers" ihukuru hwawo hudiki. Akagadzirwa kuti atore nzvimbo shoma mu "switchboard" kana "switchboard". Kusiyana nemamwe makuru akadai se "molded case circuit breakers" kana "fuses", ma "MCB" anogona kuiswa zvakanaka munzvimbo dzakamanikana, zvichiita kuti akwanise kushandiswa mudzimba, mumabhizinesi uye mumaindasitiri. Izvi zvinonyanya kukosha muzvivakwa zvemazuva ano nedzimba uko kugadzirisa nzvimbo kwakakosha.
Chimwe chinhu chakakosha chema "miniature circuit breakers" ndechekuti zviri nyore kushandisa uye kugadzirisa mashandiro awo. Kana paine overload kana short circuit, "miniature circuit breaker" inongoerekana yadonha yobvisa circuit, ichidzivirira michina yemagetsi. Kana dambudziko rapera, "miniature circuit breaker" inogona kudzoserwa patsva kuti idzorere simba pasina kutsiva kana kuwedzera mari. Iyi nzira iri nyore kushandisa inoderedza nguva yekushanda uye inopa mukana wekuwedzera kune varidzi vedzimba nenyanzvi.
Pamusoro pezvo, ma "miniature circuit breakers" anowanikwa mumhando dzakasiyana-siyana dze "current ratings", kubva pama "amps" mashoma kusvika kumazana ema "amps", zvichivabvumira kuti vasarudzwe zvichienderana nezvinodiwa ne "system" yemagetsi chaiyo. Kuchinja-chinja uku kunoita kuti mainjiniya emagetsi nevanogadzira magetsi vakwanise kusangana nezvinodiwa zvakasiyana-siyana zvekushandisa, vachivimbisa dziviriro yakakwana nguva dzese. MCB inopawo ma "trip settings" anogadziriswa, zvichibvumira kuti dziviriro igadziriswe kuti ienderane nezvinodiwa zvakasiyana zvema "circuit" akasiyana.
Kuvimbika ndicho chinhu chakakosha pakuchengetedza magetsi, uye ma "miniature circuit breakers" anobudirirawo munzvimbo iyi. Nekuvakwa kwayo kwakasimba uye zvinhu zvemhando yepamusoro, MCB inopa dziviriro yakavimbika kwenguva yakareba. Yakagadzirwa kuti igare kwenguva refu uye magetsi ane fault currents asingakuvadzi zvakanyanya. Izvi zvinoita kuti igare kwenguva refu uye inoderedza mari yekugadzirisa.
Pamusoro pekuchengetedza magetsi, ma "miniature circuit breakers" anobatsirawo kuvandudza mashandiro emagetsi. Ma "MCB" anokwanisa kuona nekumisa kupfuta kwesimba, achidzivirira kushandiswa kwesimba zvisina kufanira uye achideredza njodzi yemoto wemagetsi. Iwo chikamu chakakosha chekushanda zvakanaka kwehurongwa hwemagetsi, zvichiita kuti ave chinhu chakakosha munzvimbo dzakasiyana-siyana.
Zvese muzvese,madiki ecircuit breakersyava chikamu chakakosha chemasisitimu emagetsi pasi rese. Hukuru hwayo hudiki, nyore kushandisa, kusarudzwa kwakarurama, kuvimbika uye kushanda zvakanaka kwesimba kunoita kuti ive sarudzo yekutanga yekudzivirira maseketi. Kushandisa miniature circuit breaker hakungovimbisi chete kuti magetsi anowanikwa pasina kukanganiswa, asiwo kunoderedza njodzi yekuvhunduka kwemagetsi, zvichikupa rugare rwepfungwa. Sezvo kudiwa kwekuchengetedzwa kwemagetsi kuri kuramba kuchikura, miniature circuit breakers inoramba ichiita basa guru muindasitiri, ichichinja nzira yatinodzivirira masisitimu emagetsi.
Nguva yekutumira: Mbudzi-10-2023