Nzwisisa basa reMCBmumagetsi
MaMinitary circuit breakers (MCBs) zvinhu zvakakosha mumagetsi emazuva ano, zvichipa dziviriro yakakosha kubva pakuwanda kwemagetsi uye mashort circuit. Sezvo kudiwa kwemidziyo yemagetsi yakavimbika uye yakachengeteka kuri kuramba kuchikura, kunzwisisa mashandiro uye kukosha kweMCBs kuri kuramba kuchikosha kune nyanzvi nevaridzi vedzimba.
Chii chinonzi MCB?
MCB, kana kuti miniature circuit breaker, mudziyo wemagetsi wakagadzirirwa kuchengetedza circuit yemagetsi kubva mukukuvadzwa kunokonzerwa ne overcurrent. Kusiyana nemafuse echinyakare, ayo anofanira kutsiviwa mushure mekunge aputika, MCB inogona kudzoserwa patsva mushure mekunge yagumburwa, zvichiita kuti ive sarudzo iri nyore uye inoshanda yekudzivirira circuit. MCB dzinowanzo shandiswa mudzimba, mabhizinesi, uye maindasitiri kuchengetedza waya dzemagetsi nemidziyo yakabatana.
Mashandiro anoita MCB
Kune misimboti miviri mikuru yekushanda kweMCBs: rwendo rwekupisa uye rwendo rwemagineti. Nzira yerwendo rwekupisa inopindura mamiriro ekuwedzerwa kwesimba, apo magetsi anodarika kugona kwakayerwa kwedunhu kwenguva yakati. Izvi zvinoitwa kuburikidza nechidimbu chebimetallic, chinokotama kana chapiswa, zvichizopedzisira zvaita kuti switch ivhure dunhu.
Kune rumwe rutivi, michina yemagineti inogamuchira mashort circuits, ayo ari masurges akangoerekana aitika mumagetsi. Muchiitiko ichi, magineti inogadzira simba remagineti rakasimba rinovhura switch nekukurumidza, zvichidzivirira kukuvara kunogona kuitika kumagetsi.
Mhando dzeMCBs
Kune mhando dzakasiyana dzeMCB, imwe neimwe iine chinangwa chayo. Mhando dzakajairika dzinosanganisira:
1. Rudzi B MCB: Yakakodzera kushandiswa mudzimba uye inogona kubata zvinhu zvinorema zvine mwero. Inogumburwa nekatatu kusvika kashanu kupfuura simba remagetsi rakarongwa.
2. Mhando C MCB: Mhando C MCB dzakanakira nzvimbo dzekutengeserana nemaindasitiri uye dzinogona kubata mafungu emvura akakwira, zvichiita kuti dzive dzakanakira zvinhu zvinosimudzira mafambiro emagetsi zvakaita semamota. Dzinogumburwa nepakati pe5 kusvika ku10 kupfuura simba remagetsi rakarongwa.
3. D-Type MCB: Aya macircuit breaker akagadzirirwa kushandiswa zvinorema senge ma transformer nemamota makuru uye anogona kubata ma inrush currents akakwira zvikuru. Anogumburwa ne10 kusvika ku20 rated current.
Zvakanakira kushandisa MCB
MaMCB ane zvakanakira zvakawanda kupfuura mafusi ekare. Chekutanga, maMCB anogona kushandiswazve; kana chikanganiso chabviswa, anogona kugadziriswazve pasina kuchinjwa. Izvi hazvingochengetedzi nguva chete, asiwo zvinoderedza mari yekugadzirisa. Chechipiri, maMCB anopa dziviriro yakanyatsojeka, sezvo achigona kusarudzwa zvichienderana nehunhu hwemutoro uri kudzivirirwa. Izvi zvinoita kuti michina inonzwisisika ichengetedzwe pasina kukanganiswa kusingakoshi.
Pamusoro pezvo, maMCB akavimbika uye anogumburwa nekukurumidza kupfuura mafiyuzi, ayo anotora nguva yakareba kuti agadziriswe kana akawandisa. Kuita uku nekukurumidza kunobatsira kuderedza kukuvara kwemidziyo yemagetsi uye kuderedza njodzi yekubvira kwemoto.
Muchidimbu
Muchidimbu, ma miniature circuit breakers (MCBs) anoita basa rakakosha mukuona kuchengetedzeka nekuvimbika kwemasystem emagetsi. Kugona kwawo kudzivirira kubva pakuwanda kwemagetsi uye ma short circuit, pamwe nekureruka kwawo kushandisa nekushandisazve, zvinoita kuti ave chinhu chakakosha mukushandiswa kwedzimba nemaindasitiri. Sezvo tekinoroji ichiramba ichifambira mberi, kukosha kwemaMCB mukuchengetedza michina yemagetsi kuchawedzera, zvichiita kuti kunzwisisa mashandiro ayo nemabhenefiti ayo kuve kwakakosha kune chero munhu anoshanda nemidziyo yemagetsi. Ungave uri muridzi wemba ari kutsvaga kuvandudza kuchengetedzeka kwemagetsi kana nyanzvi yemagetsi, kunzwisisa maMCB kwakakosha munyika yemagetsi yanhasi.
Nguva yekutumira: Zvita-23-2024